PROS / Virtual Planetarium is like several software packages in one and comes with free games.
CONS / It lacks customizable toolbars and telescope control.
VERDICT / This application is perfect for a more relaxed approach to astronomy.
Virtual Planetarium, developed by Space Systems Incorporated, is a multiple-title stargazing software package, replete with different astronomy programs, which are geared to assist amateur home-based (and classroom-based) astronomers. From interactive sky maps and a huge library of astronomy imagery to information on the solar system and the most recent information on space events and weather, Virtual Planetarium is perfect for those new to the pursuit of celestial exploration and is another product we're please to include in our astronomy software review.
The Sky Tonight, the star chart portion of the Virtual Planetarium astronomy software package, helps you easily find constellations in the night sky, as well as find planets and other deep space objects. A 2D chart with basic graphics, it is basic in design with minimized control (hit “Play” and the sky chart scrolls automatically across the night sky, displaying a basic overview of the constellations and objects in your vicinity).
Solar System is the portion of the Virtual Planetarium astronomy software package that gives detailed information on every planet in the solar system, as well as information on select deep space objects and basic information on comets and asteroids. Select Jupiter for example in the toolbar at the top of the screen, and view Jupiter’s stats, high-resolution images of the planet, information on its moons, and much more.
Space Weather is their program that explores the weather in space, with a helpful introduction to what space weather is, including space weather forecasts, auroral forecasts and information on the emissions and gases emitted by the various planets in our solar system. You can find information on dozens of space missions that have occurred as well in this astronomy software, which were aimed to further explore various weather elements, such as studying the magnetosphere.
And Astronomy, the star and object database program that comes with the astronomy software Virtual Planetarium, teaches you the basics of star types (Birth Nebulae, Young, Life, Death Low Mass, and Death High Mass), showing high-resolution photograph examples and detailed explanations. Clusters (Globular, Open), Galaxies (Spiral, Elliptical, Irregular, Magellanic, Groups, Active), Deep Space (Deep Field, Explosions), and Universe are the other categories, with hundreds of photos to peruse.
Another cool feature of the Solar System title is the selection of movies. Various movies are included that further illuminate our solar system’s planets and deep space objects. Learn basic to extended planetary information in a relaxed, fun way. Past and current space missions (including satellite missions) to planets can also be explored in Solar System, as well as viewing planets and deep space objects in 3D.
The Space Weather package includes movies of the Aurora Borealis (filmed in Alaska) and educational animations that show how and why this phenomena occurs.
To contact the manufacturer of Virtual Planetarium, Space Services Inc., phone and email support are available on their site. They also offer a newsletter, which keeps you up-to-date on the latest space missions.
While the various programs within Virtual Planetarium make it an odd duck, as a whole, it’s an adequate astronomy software package brimming full of celestial information, quality imagery, and more unique information like space weather. We’re happy to include Virtual Planetarium in our astronomy software review and encourage all budding astronomers to definitely check it out.


The use of a ram drive or SSD does not influence the calculation time more than a few percent. This allows the program to efficiently use all available processors and cores. Therefore the part of the alignment which is multi-threaded will have a smaller overhead time compared to the processing time when aligning far more than 16 data sets. Clearly PC4 as the most recently purchased PC is the fastest on one core. Concluding remarks The new version of metAlign is shown to increase the speed of processing considerably. Factors influencing the performance enhancement are discussed. Barbarea vulgaris linkage map and quantitative trait loci for saponins, glucosinolates, hairiness and resistance to the herbivore Phyllotreta nemorum.
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For PC4 with only four cores using four threads therefore is obviously still advantageous. Since the publication of metAlign in the standard consumer desktop PC configuration has changed.
This is also the case for the previous version of metAlign, which consists of multiple separate 32 bits programs which are run in a batch through an interface using one thread on one core. Received Aug 19; Accepted Sep An untargeted multi-technique metabolomics approach to studying intracellular metabolites of HepG2 cells exposed to 2,3,7,8-tetrachlorodibenzop-dioxin. Considering the fact that a few years back the available memory was limiting, this part of the program used to require pointers in multiple opened files to be continuously moved.
The same test calculations were done on one core on different PCs using different drives.
AIoutput 32 bit for Shimadzu. Our observations show that performance scales with the increase in processor core numbers we currently see in consumer PC hardware development.
MetAlign performance enhancement by efficient use of advances in computer hardware
Open Access This article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author s and source are credited. The dependence on the number of threads is skewed. Dividing parts of the alignment into smaller pieces may make it possible to use the available RAM more efficiently for PC8 and therefore speed up alignment. Concluding remarks The new version of metAlign is shown to increase the speed of processing considerably.
Especially when using high numbers of threads the relative speed increase is not linearly correlated to the number of available threads any more.
As mentioned in Sect. The alignment was 5—10 fold faster.
The impact of the absence of aliphatic glucosinolates on insect herbivory in Arabidopsis. For example, creating one file from all pre-processed data sets requires the use of one thread, since the resulting overall file is not shared in the memory. Threads will be waiting for each other to free up RAM and the OS will start using the swap space on disk; this evidently decreases the performance. Although CPU speed and the number of cores play a significant role in processing time, it should be noted that setting parameters correctly for baseline correction will also greatly influence performance.
The current version of metAlign available as a free download at www. Although the above account is on accurate mass processing, it is also possible to process accurate mass data as nominal mass data using metAlign. In general the performance increases with the number of threads used.
This new version was tested softawre three different multi-core PCs with different operating systems. The number of threads, the number of data files and the storage medium used i.
MetAlign 3.0: performance enhancement by efficient use of advances in computer hardware
Data were exported as netCDF and were ca. The program starts with data conversion of all data sets to netCDF, continues with processing of all netCDF files and then ends with a conversion back to a desired format.
Alignment and statistical difference analysis of complex peptide data sets generated by multidimensional LC-MS. A thread of execution is the smallest unit of processing that can be scheduled by an OS. MetAlign acts as if it is running on multiple single core PCs at the same time but within one hardware system.
Metabolomics approach to anabolic steroid urine profiling of bovines treated with prohormones.
MetAlign – BioAssist
Barbarea vulgaris linkage map and quantitative trait loci for saponins, glucosinolates, hairiness and resistance to the herbivore Phyllotreta nemorum. Factors influencing the performance enhancement are discussed. This is more or less the case for all thread numbers in which the number of data sets i. Large random access memory RAM is common and now also accessible, due to the appearance of mainstream bit operating systems like for instance Windows 7.


OKP K3 Robot Vacuum Cleaner,Robotic Vacuum Cleaner with Self-Charging and 2000 Pa Strong Suction, Voice Control for Hardfloor and Carpet,BlueView on Amazon
- SCORE8.0AI Score
Artificial intelligence (AI) is the capacity of a computer or a robot controlled by a computer to do assignments that are as a rule done by people since they require human insights and acumen. In fact, there are no AIs which can perform the wide variety of tasks an ordinary human can do, some AIs can still match humans in specific tasks.
AI applications include expert systems, natural language processing (NLP), and speech recognition and machine vision.
Last update on 2023-06-10 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API
A robot vacuum is a type of vacuum cleaner that is designed to automatically navigate and clean a home or other space without the need for human intervention. These devices are typically small and round, and they use sensors and algorithms to move around and locate dirt and debris.
For seniors, a robot vacuum can be a convenient and easy-to-use tool for keeping their home clean. Many models are designed to be simple to operate, with straightforward controls and automatic features that make it easy to start and stop cleaning. Some models also include features that are specifically designed to make it easier for seniors to use, such as larger buttons and brighter displays.
In terms of navigation, some robot vacuums come with a mapping function which allows the robot to create a map of the home it is cleaning, which then allow the robot to clean an area more effectively. The robot vacuums can also be scheduled to clean at certain times, so that the senior does not have to worry about starting it manually.
Robot vacuums can also be especially helpful for seniors with mobility issues, as they can be controlled through mobile app and even voice commands, making it easier for them to start and stop cleaning without having to physically bend down.
It's worth noting that robot vacuums are not 100% perfect, as they might have problem with carpets or certain types of flooring and may not pick up certain debris as well as a traditional vacuum cleaner. So it is advisable to check compatibility of the flooring and read the customer reviews of the product you are interested in before buying.
Overall, a robot vacuum can be a useful tool for seniors looking to maintain a clean home with minimal effort, but it's important to consider the specific needs and abilities of the individual when deciding whether a robot vacuum is the right choice.
When choosing a robot vacuum for a senior, there are several factors to consider:
Ease of use: Look for a model with simple controls and a straightforward user interface. Some models come with larger buttons and brighter displays that may be easier for seniors to see and use. Consider also if the robot can be controlled with mobile app or voice commands, which can make it easier to start and stop cleaning without having to physically bend down.
Navigation: Consider models that have a mapping function, allowing the robot to create a map of the home it is cleaning, which will allow the robot to clean an area more effectively.
Cleaning ability: Check the type of flooring the senior has in their home and the types of debris they typically have to clean up. Some robot vacuums are not compatible with certain types of flooring and may not pick up certain debris as well as others.
Scheduling: Look for models that allow you to set cleaning schedules, so that the robot will automatically clean at certain times without the need for manual intervention.
Safety feature: Some robot vacuum comes with safety sensors that will automatically shut off if the robot encounters stairs or other obstacles. This can be especially important for seniors who may have mobility issues or are at risk of falling.
Price: Robot vacuums can range in price significantly, so it's important to consider the senior's budget and determine how much they are willing to spend.
It's also worth noting that customer reviews and professional rating are good reference to check for the performance, reliability and durability of the product.
Overall, it's important to consider the specific needs and abilities of the senior when choosing a robot vacuum, in order to select a model that will be both effective and easy for them to use.
How much does a robot vacuum for senior cost?
The cost of a robot vacuum can vary widely depending on the features and capabilities of the model.
You can find basic models for as little as $100-$200, which may have limited features and navigation capabilities but still able to clean effectively.
Mid-range models can cost between $200-$500, and often come with more advanced features such as mapping, scheduling, and voice control. These models tend to have stronger suction and better navigation abilities, making them more effective at cleaning.
High-end models can cost $500 or more, and tend to come with the most advanced features such as camera-based navigation, advanced obstacle detection, and superior suction power. These models are often considered the best in terms of cleaning performance and ease of use.
It's worth noting that it's not necessary to buy the most expensive models to get a good cleaning performance. There are also robot vacuums with very good performance that cost less than $500, but with less advanced features. It's also good to check for sales and promotions, those can lower the price significantly. Ultimately, it's important to consider the specific needs and abilities of the senior and their budget when determining how much to spend on a robot vacuum.
Do you need WiFi for a robot vacuum for senior to work?
Most modern robot vacuums connect to a home's Wi-Fi network and can be controlled through a mobile app, which allows you to start and stop cleaning, set cleaning schedules, and receive notifications about the status of the cleaning. Some also can be controlled by voice commands using a smart home assistants such as Amazon Alexa or Google Assistant.
However, not all robot vacuums require Wi-Fi to work. Some models come with basic controls and can be operated without a mobile app or a smart home integration. These models may have less advanced features, but they can still be effective at cleaning and may be a good choice for seniors who are not interested in using a mobile app or integrating their robot vacuum with a smart home system.
It's worth noting that even if a robot vacuum doesn't require Wi-Fi to work, having a wifi connectvity can give you some added features such as scheduling, remote control and monitoring the cleaning progress. So, it's good to check if the robot vacuum is compatible with your home wifi network before buying and if the senior is comfortable with using mobile app or voice commands to control it.
I hope you have found something useful in my suggestions. I truly believe you will not be disappointed with any of the selections above, and be sure to check out some of my other best robot vacuum for senior guides if you would like a few more things to think about before investing in one for yourself.


From a young age I was always fascinated by two things; the human body and computers. It always amazed me that something as simple as transistors could compute math problems faster than a human could. Naturally, nothing I owned stayed together for very long.
While growing up, I discovered I had a knack for troubleshooting simple PC problems and became the stereotypical “IT kid” of the family. During high school I jumped at the chance to take vocational schooling for the IT field and managed to gain a Comptia A+ certification at 16. At the time I also managed to become the sysadmin of a small doctors office.
After high school I pursued a degree in computer science from Oklahoma State University, but laziness and a recently discovered diagnosis of ADHD brought that endeavor to an abrupt halt. My next option was to join the Navy to get money to attempt another run at my computer science degree. While serving I rekindled my love for computing and decided to start this blog to document my unorthodox adventure into the world of computers!


The research and education (R&E) community requires persistent and scaleable network infrastructure to concurrently support production and research applications as well as network research. In the past, the R&E community has relied on supporting parallel network and end-node infrastructures, which can be very expensive and inefficient for network service managers and application programmers. The grand challenge in networking is to provide support for multiple, concurrent, multi-layer views of the network for the applications and the network researchers, and to satisfy the sometimes conflicting requirements of both while ensuring one type of traffic does not adversely affect the other. Internet and telecommunications service providers will also benefit from a multi-modal infrastructure, which can provide smoother transitions to new technologies and allow for testing of these technologies with real user traffic while they are still in the pre-production mode. Our proposed approach requires the use of as much of the same network and end system infrastructure as possible to reduce the costs needed to support both classes of activities (i.e., production and research). An initial step is to define multiple layers of production services (i.e., at the physical, network media, network bearer, middle, and application layers) that can be made accessible for concurrent use by the network researcher, manager, or application programmer. Breaking the infrastructure into segments and objects (e.g., routers, switches, multiplexors, circuits, paths, etc.) gives us the capability to dynamically construct and configure the virtual active networks to address these requirements. These capabilities must be supported at the campus, regional, and wide-area network levels to allow for collaboration by geographically dispersed groups. The Multi-Modal Organizational Research and Production Heterogeneous Network (MORPHnet) described in this report is an initial architecture and framework designed to identify and support the capabilities needed for the proposed combined infrastructure and to address related research issues.
Complete versions of this paper are available in the following formats:
If you have any problems accessing these documents please contact Fred Moszur email@example.com
If you wish more information on the document contact Bob Aiken firstname.lastname@example.org


OK, you’ve heard all the talk about “keeping your Onan generator ALL Onan” right? I mean you hafta spend over $200 for a choke solenoid— right? NOOOOO! You hafta use Onan oil filters and spark plugs, right? Noooooo- then why is there talk about rebuilding those 25+ ONan PC boards? I mean, all of the electrical components of the generator is on this “plug-n-play board, the thing has gotten hot, wet, cold, dirty and giggled all that time and you are still relying on it to run your life saving generator? What are you nuts? Sorry, but I look at the generator as a “must work” device and at the first sign or before of trouble with the PC boards running the unit, I rip it out and install an all new board, one with all new components, sealed Omeron relays on an all new seal coated PC board. I mean just look at the difference not only in the condition difference but also in the quality of manufacture.
The board on the left is an original PC board, note the burned traces, it even has a jumper wire soldered to bypass a burned out trace. Look at the new board and the quality of the foil etching. The small black relays on the new board are sealed Omeron brand (top quality) relays, the new board is far superior to rigging up the old board and isn’t reliability what you’re looking for?
The wire harness on the old board is swapped over to the new board exactly, no mods needed. If your old harness is damaged, we can supply that for a little more more money. This new board is $155, cheap when you think about being in hot weather with no AC because the generator board is fried! This board is great, I can’t understand why anyone would think otherwise. I’m not downing their thoughts because this is America and you can think anyway you want, but for me— I want a new board.


Korean American Day 2017 - Recognizing Leaders in Science & Technology
Date & Time:
- Dr. David Oh, NASA Project Systems Engineer and Systems Architect for Psyche; former Lead Flight Director for Mars Science Laboratory (MSL)
- Dr. Eun-Suk Seo, Professor of Physics at the University of Maryland, College Park; Principal Investigator for ISS-CREAM
- Dr. Kook-Wha Koh, Founder of Chrysan Industries, Inc.
- Discussion will be moderated by: Dr. Tim Persons, Chief Scientist at the Government Accountability Office (GAO)


Digital Technology Learning Area
“The digital curriculum is about teaching children how to design their own digital solutions and become creators of, not just users of, digital technologies, to prepare them for the modern workforce." Chris Hipkins, 2018
Computational thinking for digital technologies – Students will develop an understanding of computer science principles that underlie all digital technologies. They’ll learn core programming concepts so that they can become creators of digital technology, not just users.
Designing and developing digital outcomes – Students will learn how to design quality, fit-for-purpose digital solutions.
Courses in this Learning Area


Rio Vista firefighters douse electric car battery fire
Firefighters in Rio Vista knocked down a blaze that was contained to an electric vehicle in the city on Monday.
The fire broke out around 2:30 p.m. in the area of Crescent Drive and Logan Street, according to fire dispatches.
The blaze was initially reported as a vehicle fire involving a BMW sedan that was on the back of a trailer. The fire was centered around the electric sedan's battery compartment, which is larger than traditional gas-powered vehicles.
A hazardous material (HAZMAT) situation was declared because the fire involved the car's battery, but firefighters were able to contain the danger to the car itself and quickly knocked down the blaze.
The cause of the fire was not immediately clear as of Tuesday evening.
Experts say electric cars have a lower chance of catching fire compared to vehicles with an internal combustion engine, but when electric cars do ignite, the flames can be harder to fight. The lithium-ion batteries used by electric vehicles burn much hotter than components inside traditional gas-powered cars, and the batteries can reignite even after a fire is initially knocked down.
Such was the case in June when the Sacramento Metropolitan Fire Department was called out to a junkyard where the battery compartment of a Tesla vehicle ignited weeks after it was involved in a collision.
Fire officials said the battery compartment of the Tesla kept re-igniting, with the fire reaching 3,000 degrees Fahrenheit. Eventually, firefighters built a water pit near the fire, then nudged the car into the pit, which finally extinguished the blaze.
Last year, a fire involving an electric vehicle burned so hot that it melted a patch of roadway in Pennsylvania, according to a local fire chief there.
After reports of dangerous fires involving some lithium-ion car batteries, manufacturers like Tesla and Ford announced they were switching to lithium iron phosphate, or LFP, batteries for use in future vehicles. Those batteries are believed to be much safer than lithium-ion batteries, and some chemistry experts believe their safety could surpass that of gas-powered vehicles in just a matter of years.


Water damage can wreak havoc on homes and businesses, causing significant structural damage, mold growth, and a myriad of other issues. When facing such a predicament, it is imperative to enlist the services of professionals equipped with advanced moisture detection equipment. Crown Restoration, the leading water damage restoration company in San Antonio, Texas, understands the importance of moisture detection and employs state-of-the-art devices to accurately assess the extent of water damage. In this article, we delve into the significance of moisture detection equipment and explore the various devices employed by Crown Restoration for efficient water damage restoration.
Moisture meters are invaluable tools for detecting moisture content in various materials. These devices are capable of measuring the moisture levels in walls, floors, ceilings, and other surfaces. Crown Restoration utilizes both pin-type and pinless moisture meters. Pin-type moisture meters penetrate the material being tested, providing precise moisture readings. On the other hand, pinless moisture meters use electromagnetic technology to measure moisture without causing any damage. By utilizing moisture meters, Crown Restoration’s experts can accurately assess the moisture levels within the affected areas, helping them determine the severity of the water damage.
Thermal Imaging Cameras:
Thermal imaging cameras are instrumental in identifying hidden moisture within structures. These devices use infrared technology to detect temperature variations, revealing potential areas of water intrusion that may not be immediately visible. Crown Restoration’s skilled technicians utilize thermal imaging cameras to identify hidden pockets of moisture behind walls, under flooring, or in hard-to-reach areas. By detecting these concealed moisture sources, Crown Restoration can effectively address the root cause of the water damage and prevent further deterioration.
Moisture Mapping Systems:
Moisture mapping systems provide a comprehensive visual representation of the moisture distribution within a structure. These advanced devices employ infrared technology, along with moisture sensors and data loggers, to create detailed moisture maps. Crown Restoration uses moisture mapping systems to accurately track the extent and progression of water damage throughout the affected area. This enables their team to prioritize restoration efforts, target specific areas for drying, and ensure thorough remediation.
Hygrometers are essential instruments for measuring and monitoring relative humidity levels in the air. Crown Restoration utilizes both digital and analog hygrometers to assess the moisture content within a property. By monitoring relative humidity, these devices help determine the effectiveness of the drying process. Crown Restoration’s experts continually monitor and adjust humidity levels during the restoration process to prevent further damage and inhibit mold growth.
Final Thoughts On Moisture Meters For Water Damage Detection
Moisture detection equipment plays a vital role in the water damage restoration process, enabling professionals to accurately assess, locate, and mitigate water damage in a timely manner. Crown Restoration understands the significance of investing in state-of-the-art moisture detection devices to provide exceptional services to the residents and businesses of San Antonio, Texas. By employing moisture meters, thermal imaging cameras, moisture mapping systems, and hygrometers, Crown Restoration ensures that every restoration project is handled efficiently and effectively. In times of water damage, trust Crown Restoration to employ the latest moisture detection technology and restore your property to its pre-damage condition.


I set up Starlink today and I have internet although the speed shows as poo. The lights on the face of the starlink router do not come on. The power light on the bottom is on.
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Fixing Starlink No Lights On Router:
1.) Power Switch
As compared to third-party routers available in the market, the Starlink router is integrated with the power switch. Many people forget to turn off this power button, which results in no lights issue. Depending on the router’s model, the power button is on the back or the sides, so locate the power button and make sure it’s put in the “on” position.
2.) Power Socket
In case the power switch is already in the on position but there are still no lights on the router, you need to check the power sockets. This is because a malfunctioned power socket won’t be able to provide an electrical connection to the router, which means it won’t turn on. That being said, it’s recommended that you plug the router into another power socket and make sure it’s operational.
This is because usually, people don’t have an idea that the power socket they are using is damaged and doesn’t have electrical signals.
3.) Power Adapters
It’s common for people to use multi-plug adapters to connect the router to power, especially if they have to connect more devices in one position. So, if you have connected the router to a multi-plug adapter, you must disconnect the adapter and connect your router directly to the power socket. This is because the adapters can interfere with the electrical signals, resulting in functionality issues.
Secondly, you need to be careful about which power adapter you are using. This is because the voltage and amperes of the power adapter should match the router. In particular, the Starlink router has 12V voltage and 1.5A amperes, so make sure the power adapter has these specifications. While you are at it, don’t forget to use a DC plug that’s compatible with the Starlink router.
4.) Surge Protectors
People who struggle with voltage fluctuations in their homes often connect surge protectors to the wall outlets for connecting the router. However, the gadgets like surge protectors and power strips can interfere with the connection and prevent the router from turning on. So, if you have connected the surge protectors and power strips, you must disconnect them and plug the router directly into the wall socket.
Last but not least, you need to be careful about the cables and wires. This is because the bent and damaged power cords won’t be able to establish the power connection between the router and power socket. So, inspect the power cords and replace the damaged ones. In addition to this, you’ve to ensure that the power cables are connected tightly to the router and in the socket because loose connections also impact the powering.


The future of the legal profession has been making headlines in recent weeks with the news that 'Ross', the world’s first artificially intelligent “lawyer”, has been “hired” to carry out research in the bankruptcy practice of US law firm, Baker & Hostetler.
Although described as a robot lawyer, Ross is actually a computer program powered by IBM’s Watson super computer, which previously made headlines when it competed on the US gameshow Jeopardy! Ross has the power to carry out large complex research tasks at a much faster rate than a human lawyer. Ross can also present the results of his research in much the same way as a human lawyer or paralegal, using natural language and evidencing the points it makes.
In addition to advances in artificial intelligence, the legal world continues to embrace technology as the courts move more services online and processes, such as discovery in litigation, begin to make use of new technology.
The current trend towards technology has led some to make pessimistic predictions for the profession’s future. There may be less call for staff to carry out time intensive tasks such as large research projects and discovery but predicting the end of all lawyers seems a way off just yet. The new technology may be able to process data faster than human counterparts, however, there does not seem to be a technological solution which can provide empathy or the human touch that is provided by a competent human lawyer.


“NextStage for Unity” is an add-on that lets users stream tracking data from NextStage Pro, and project realtime 3D video into their Unity projects.
The beta version is included with NextStage Pro and can be used for virtual production, pre-visualization, augmented reality, virtual reality and mixed reality Unity projects.
NextStage for Unity requires:
First install the “Kinect.2.0.1410.19000” Unity Package available from Microsoft available on this page.
Then install the “NextStageForUnity_Beta01a” Unity Package included with NextStage Pro.
There are two prefabs to choose from depending on your Unity project.
This prefab projects the Kinect’s depth camera at full resolution. It is intended for standard, single camera Unity scenes.
Add the prefab into your Unity scene. NextStageHQ includes a “virtualCamera” child object so you can delete the default “Main Camera” in the scene.
The NextStageVR prefab is designed for real-time, mixed-reality applications. It functions almost identically to NextStageHQ, but is optimized to run simultaneously with virtual reality headsets.
After adding the prefab to your virtual reality scene, keep the default main camera. This time we want to have the player’s view, and the mixed reality view separate.
On the NextStageVR “virtualCamera” object “Target Eye” is set to none, and the depth value is set to 1. The depth value should be higher than the depth value on the main camera.
With this setup the computer monitor will display mixed reality from the virtual camera’s view, while the headset will display normally in virtual reality.
Lastly, make sure to make a new “layer” in your Unity project called “projector”, and then turn off the “projector” layer on the main camera’s culling. The ProjectorVR script will automatically try to assign the projected mesh to this layer, so it won’t show up in the virtual reality view.
Streaming from NextStage Pro
NextStage for Unity works by streaming the tracking data and scene space mask from NextStage Pro into Unity.
In the lower left corner of the settings tab, change the camera mode to “Stream”.
There are two numbers here that tell NextStage where to send the tracking data.
First is the ip address. By default this number is set to your computers “local” ip address, so you don’t have to change anything.
The second number is the port, which by default is set to “5555”. Attached to the Projector object in Unity is a script called “TrackingServer” which has default port value of “5555”. As long as these port numbers match, the Unity will receive data sent by NextStage.
In NextStage, press initialize to confirm the address and port, then press stream to begin sending tracking data.
Once you’re streaming from NextStage, press play inside the Unity editor and you should see tracked video from the Kinect, projected inside Unity.
In the beta release you will need to manually align the projection with any other VR peripherals you may have. NextStage tracks at real world scale, so 1 meter in real life is 1 unit in Unity.
Both the projector and the virtual camera are parented to the NextStageVR object. This is equivalent to the origin point in NextStage. You can align the projection and tracking data by moving and rotating this object.
NextStage for Unity


About Oracle Corporation (ORCL)
Oracle Corporation is a provider of enterprise software and computer hardware products and services. The Company’s software, hardware systems, and services businesses develops, manufactures, markets, hosts and supports database and middleware software, applications software, and hardware systems, with the latter consisting primarily of computer server and storage products. It is organized into three businesses: software, hardware systems and services. Its software business consists of two segments: new software licenses and software license updates and product support. Its hardware systems business consists of two segments: hardware systems products and hardware systems support. The Company’s services business consists of the remainder of its segments and offers consulting services, managed cloud services, and education services.
Recent Dividend Posts About Oracle Corporation (ORCL)
–Oracle: A Strong Buy For 2012@ Dividend Kings
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Oracle Corporation (ORCL)


Data Science and Predictive Analytics: Biomedical and Health Applications using R
By: Dinov, Ivo DPublisher: Suiza: Springer, 2018Description: 851 p. DigitalSubject(s): DATA SCIENCE | ANALYTICS | TECNOLOGY | ENGINEERING | MATHEMATICAS | BIOMEDICAL | IIC20DDC classification: Online resources: ►►DOWNLOAD EBOOK / DESCARGAR LIBRO DIGITAL◄◄
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|Libro Digital||Biblioteca Lead University||Colección de reserva||DIGITAL (Browse shelf)||Available|
REFERENCIA FORMATO APA: Dinov, I. (2018). Data science and predictive analytics : biomedical and health applications using R. Cham, Switzerland: Springer.
The content of this graduate-level textbook fills a substantial gap in integrating modern engineering concepts, computational algorithms, mathematical optimization, statistical computing and biomedical inference. Big data analytic techniques and predictive scientific methods demand broad transdisciplinary knowledge, appeal to an extremely wide spectrum of readers/learners, and provide incredible opportunities for engagement throughout the academy, industry, regulatory and funding agencies.
The two examples below demonstrate the powerful need for scientific knowledge, computational abilities, interdisciplinary expertise, and modern technologies necessary to achieve desired outcomes (improving human health and optimizing future return on investment). This can only be achieved by appropriately trained teams of researchers who can develop robust decision support systems using modern techniques and effective end-to-end protocols, like the ones described in this textbook.


Quraan Speaker with Athan Clock and Voice .
● Playing Quran:
1.Playing any Quran surah by pressing button on remote
2.Playing Quran audio word by word. Easy for learning Quran.
3.Playing Quran translation. Select your native language for understand Quran meaning.
4.Playing MP3 audio. Support any audio MP3 files.
Sahih AL -Bukhari , Sahih AL- Muslim, Hisnul – Muslim, Qaida Noorania & Al-Ruqyah.
● Support MP3 function. You can download Islamic music, speech etc. on the speaker then play them through remote.
● Support recording function.
● Equipped with high-definition speaker, the sound quality is perfect, and the voice is beautiful.
● Support TF card slot extension
● Remote Transmission range ≤10m.
● FM radio function
Color: Multi color changing effects.
Charging time: 4-6 hour
Working time(fully charged ): 7-8 hour
Controller power supply: 2 x AAA battery(not include in the package)
Dimension: 12cm x 9cm
Charging cable length: 60cm
1 x Quran Speaker
1 x Remote
1 x USB Cable
1 x User Manual
|Dimensions||6 × 6 × 6 in|


Gabor textons for classification of gastroenterology images
- F. Riaz; M. Areia; F. Baldaque Silva Silva; M. Dinis-Ribeiro; P. Pimentel; Coimbra, M.;
"Gabor textons for classification of gastroenterology images
IEEE International Symp. on Biomedical Imaging
Automatic classification of cancer lesions for gastroenterology imaging scenarios poses novel challenges to computer assisted decision systems, owing to their distinct visual characteristics such as reduced color spaces or natural organic textures. In this paper, we explore the prospects of using Gabor filters in a texton framework for the classification of images from two distinct imaging modalities (chromoendoscopy and narrow-band imaging) into three different groups: normal, precancerous and cancerous. Results show that they produce consistent results for both imaging modalities, hinting on their possible generic use for the classification of in-body images.
Full text (PDF 1604KB)


I have the first Internet Window prototype built up. I used a laser cutter to cut a frame out of 3/16 inch thick cast acrylic. This frame is just intended to hold everything together enough that it's a single unit instead of a mess of wires. I also had to solder the power cables down.
The final version will have a frame that can be wall-mounted easily. It will also have a smaller interface board that has the correct connectors for the power cables that come with the panels. In the meantime, I will continue to document this project on Hackaday.io.
I'm starting to document a project I've been working on for the last year. This is an evolution of the seven-segment display project. Now with more LEDs.
The 12-bit Internet Window is a low resolution, high brightness, wifi-enabled display. It's main components are:
- Four 64x32 pixel RGB LED matrix panels
- A Particle Photon
- A custom interface board
- Mounting hardware
- Power supply
The interface board uses a CPLD to bridge SPI data from the Particle Photon microcontroller and the 6-wide parallel shift register interface required by the panel. This allows the microcontroller to use hardware timers and DMA to keep the display refreshed with minimal CPU overhead.
This project is largely enabled by Adafruit and their wonderful tutorials. I referenced their tutorials frequently during my design.
I'm in the process of putting together a few kits of all the necessary hardware. For now, I'm sharing them with firmware engineers willing to contribute to the open-source libraries and examples.
The first units of USB Power Armor Type-A are now available in the Reclaimer Labs store. I'm hand assembling these units to get them out quickly.
USB Power Armor allows you to charge your devices at full speed while blocking data communication. This prevents the spread of malware, such as BadUSB. To learn more about how USB Power Armor works, check out this blog post.
Highlighting the security risks of using USB to charge mobile devices, BadUSB – a class of exploits that can lead to malware infections – was recently in the news. With the adoption of USB-C, concerns are only going to increase. New devices, including the new Apple Macbook and Chromebook Pixel, only have USB-C ports, which means the only way to charge your device is through a data port that could open your computer to attack. This vulnerability is especially a concern if you want to use untrusted USB chargers, like you might find in coffee shops and airports.
One way to stop these attacks is to use a device that physically disconnects the USB data lines, while leaving the power and ground lines connected. This approach has a major disadvantage because devices and chargers use the data lines to negotiate power requirements, usually via the USB Battery Charging specification. Without that negotiation, the device can’t determine what capabilities the charger has. Instead of being able to draw 7.5 W or more, the device can only safely draw 0.5 W, which means it could take 15 times longer to charge your phone with this technique.
Fortunately, there is a way to block the USB data signals and still allow the device and charger to negotiate the correct amount of power. The key is that the power negotiation occurs much more slowly than the data flow: 100 Hz instead of 1 MHz. A capacitor across either of the data lines limits the bandwidth so that the charging negotiation can occur, but traditional USB data transfers are blocked. In fact, the USB specification has a maximum allowed capacitance between a data line and ground for this reason.
Because the difference in speed from USB Battery Charging to even USB Low Speed is so large, there is plenty of room for error. Anything over 75 pF is outside the official USB spec for data. The data lines have a typical series resistance of 33 Ohms which means a 33 nF capacitor will create an RC filter with a time constant of approximately 1 μs. A time constant of up to 100 μs is acceptable for passing USB Battery Charging signals, and under 0.1 μs is needed for USB Low Spped, so a variety of capacitance values will work.
To test my ideas, I ran an experiment. I tried three USB cable configurations and, with each configuration, measured how much power my phone drew and whether or not my desktop recognized the device. I tried the original cable as a control. Then I soldered a 22 nF capacitor between D- and GND. Finally, I cut the D- line entirely. The results are below.
- Intact cable: 9.1 W - Good connection to desktop
- Capacitor installed: 7.4 W - "USB Device Unrecognized"
- D- line cut - 2.4 W: "USB Device Unrecognized"
These results are in line with my expectations. The difference between having the intact cable and having the capacitor installed could result from a difference in battery load. I suspect my phone drew more current than it should have in the third test. It seemed to draw 500 mA instead of 100 mA, which is all that is allowed by the spec. Still, with the D- line connected, it drew significantly less power.
I've designed a small device that incorporates these capacitors, along with some test and debug features, into a small board with a plug on one end and a receptacle on the other. It’s called USB Power Armor. I plan to build prototypes and do further testing this coming week. Here's a preview.
Update: The first units of USB Power Armor Type-A are available for sale now. Click here to get yours.
One of the fastest ways to get started with our seven-segment display is to use an Arduino. One Arduino can drive many digits. Up to 10 has been tested. 30 or more is practical with the standard interconnects, and hundreds are possible with multiple power drops.
You will need to connect the Arduino to one of your digits. This digit must be on the end of the chain. It will drive the rest of the digits as explained in the firmware section. To connect your Arduino, you have two options:
Use jumper wires
Connect each of the relevant lines between the on-board header and the Arduino. You'll need seven wires. To use the example code, wire up your Arduino according to the following table.
Solder to the on-board pads.
The pads are a bit tight in Rev 3, but they work with the Arduino Uno form factor. You'll need some 0.1 inch male header in right-angle thru-hole, such as Samtec's TSW-120-22-F-S-RA . I recommend putting the header in the Arduino, then soldering the header to the board. Once it's soldered, you can remove the Arduino and replace it at will. See the pictures below.
The examples firmware projects are still being developed. Eventually, they will be turned into a firmware library for very fast integration. If you know of an existing library for seven-segment displays, especially for Arduino, please leave a comment.
Each digit takes in data via shift registers. This allows daisy-chaining multiple digits together without the use of additional pins on your Arduino. Adafruit has a great introduction and tutorial for connecting shift registers to an Arduino. The Reclaimer Labs seven-segment display uses the same interface.
To achieve faster speeds and drive more digits, you can use the hardware SPI controller. Although the shift register interface is different than SPI, they are similar enough to be compatible. The most important difference is to ignore the SPI chip select (CS) pin and connect latch enable (LE) to a separate pin. Once all the relevant data has been transmitted, the LE pin must be manually pulled high then low. Using the SPI hardware on your microcontroller can free up the CPU, especially if you have Direct Memory Access (DMA) controllers on-board.
Most of the firmware examples include a font library. You can use this by indexing into the array and shifting out that byte. The index is the value you wish to display. font_inverted has values for upside-down digits; font is for upside-up. For example, to display a "3" on an inverted digit, you would send the byte font_inverted. To turn on the decimal point, simply set the upper-most bit of the byte. In this example, you would send the byte (font_inverted | (1<<7)).
This post should be enough to get you started using the seven-segments displays with an Arduino. Feel free to leave a comment or send us an email if you have any questions.
Preproduction (Rev 3) units of the 6-inch tall seven-segment display are available for sale at the Reclaimer Labs store. All boards are fully assembled and tested. Each segment comes with a laser-cut cardboard waveguide and interconnect. These are early units, so not all the bugs have been worked out. As I update the design to the production design (Rev 4), I will post specifics. In the meantime, you can get started on your projects with these preview units. Enjoy.
It's been a while since I updated this blog. That's because I've been working on Rev 3 of the seven segment display. This is the preproduction version. It is an important step on the way to ramping up to mass production. Over the next few weeks I will be testing and evaluating these units and building demos for the Kickstarter video. Stay tuned.
Today I will describe how I built my prototype countdown clock, which counts down to the next SpaceX launch. It automatically updates itself using the Network Time Protocol (NTP) and a script running on my home server. This project will demonstrate how to use the panels and will provide a glimpse into the firmware libraries that are under development.
The hardware consists of the ten Rev 2 prototype displays, one Spark Core, and a breadboard power supply. I’ve connected the digits in pairs to make a colon for every other segment. I used the interconnects along the bottom only. It is important not to connect both top and bottom, which would connect the output of the downstream panels to the input of the panels upstream and cause the display to latch up.
The firmware is experimental, to put it kindly. I threw it together in a weekend, so it’s messy, but I will have time to rework the firmware into a nice library for Spark and Arduino while I wait for the Rev 3 panels. In the meantime, feel free to look at the firmware on Github.
The basic flow of the firmware is to constantly check for the time to advance by a second. It then recalculates the number of seconds until the target time will arrive, does calculations to get the minutes, hours, and days, and then updates the display. Please note that I used the Sparkfun Real Time Clock (RTC) library for Spark, which means that times are not in Unix time but are offset by 2208988800 seconds. This difference confused me for a while. The firmware also includes a function to update the target time. This function can be called at any point by a script on the Internet. I used a string instead of a number because the biggest number I could use was a signed integer, and I wanted to be sure I could represent more distant times if necessary.
The software is even less stable than the firmware. I used Python because I’m familiar with the language and because there are libraries to do everything I needed. The script downloads the front page of spacexstats.com and then parses it to find the first time, which I assume is the next scheduled launch time. I used Beautiful Soup to do the parsing after referring to a few examples in the documentation. I also found a library to talk to the Spark Cores. To run the script, users will have to install these libraries. Once I had the script, I set up a cron job that runs the script once per minute.
There is much room for improvement in this design, but it was very fun building a working prototype so quickly. Please leave suggestions in the comments or make pull requests on Github.
Reclaimer Labs now has a logo. I'm still working out the details of its spacing relative to the name, but it's coming together. Thanks to Two Thousand for putting this together. You can check out her other work here.
I finished building and testing all 10 Rev 2 prototype segments. Here's a video of a quick test of driving all of them from an Arduino. I also figured out the code to use SPI to drive the data and clock lines. I've since ported that code to a Spark Core. Next up is writing the code to countdown to SpaceX DISCOVR launch tomorrow.
I was having trouble soldering the Rev 2 boards reliably. The major problem involved the slots for the LEDs. For these prototype boards, I needed to stick to a standard PCB fabrication process, which meant that I couldn't get non-plated slots. Unfortunately, plated slots make it very easy to short out the LEDs. To test for a short, I used my multimeter on the diode setting. If the LED lit up, there was no short; if the buzzer beeped, I needed to rework the soldering. Fixing three or four LEDs per board was very time consuming, and it took me 90 minutes to solder the first two boards together. I needed a better solution to cover the plated slots.
At this point, the nail polish came in. I used it as a sort of temporary solder mask. It stinks a bit when the soldering iron hits it, but it's not much worse than the solder itself. Out of the next eight boards, I experienced two shorted LEDs, and that improvement made the process much faster. I'm not convinced nail polish is the best solution, so if you have other suggestions, please leave a comment.
Tonight I spent some time thinking about the pinout for the connectors. One of the major issues with Rev 1 was that the pinout was incompatible with the boards when they were touching each other. The lesson I learned from that mistake was to be very careful when using the mirror command on connector components in the schematic editor (the mirror command is usually more trouble than it's worth). I also learned that it's a good idea to have a supply of Arduinos on hand.
I've since fixed and tested the new pinout on the Rev 2 boards. The boards interconnect perfectly and have no issues with shorting power and ground. As a precaution, I added PTCs, a resettable fuse on the VLED line. With the design ready to work for normal usage, I wanted to focus on user error. A user will connect to one of the two "IN" connectors on the board. So far, I've only used individual jumper wires. However, it's possible that a user could use something like a ribbon cable with a matching pitch. I wanted to find out what would happen if the user flipped the cable around and installed it backwards.
First, I looked at the schematic. Normally, swapping power and ground would be a problem. However, in this case, swapping VLED and GND connects ground to the anodes of the LEDs. Next, I checked the "Absolute Maximum Ratings" section of the TLC5917 datasheet. The limits seemed tight, especially when applying negative voltages to the pins. This situation would arise if 12 V were applied to ground and 5 V were applied to the pins, such as CLK and SDI. The chip would think it was getting -7 V on some of its pins.
After thinking about the various ways to arrange the pinout, I was unable to come up with a solution that would stay inside the maximum ratings when the connector was reversed. The last thing I needed to do was test the pinout. Swapping my individual jumper wires around, I plugged it in and expected magic smoke to come out. I was pleasantly surprised when nothing popped. The only component that was getting hot was the 22R resistor bank on the Arduino, located near the USB connector. Fortunately, the resistor bank was able to survive a few minutes of punishment. I then swapped everything around, and the system functioned normally.
I'm satisfied with the current pinout. The system withstood a reversed connector long enough for the user to realize something was wrong. Hopefully, the instinct to disconnect the power when things don't go as expected will win out. Ultimately, it's expensive, if not impossible, to design for every contingency. I did test a few other pinouts and had far worse results. I hope my new Arduinos will arrive soon.
Connectors are almost always a driving cost in electronics designs, and my board is no exception. In terms of the bill of materials (BoM), the connectors are responsible for half the cost. For this reason, I spent more time looking for a good deal on the connectors than on any other item on the BoM.
First, I wanted to make sure I had selected a good connector. I knew I wanted to be able to chain up multiple digits, but I also wanted a smooth edge on the outside. Additionally, I wanted the ability to rotate any digit in the chain by 180 degrees and still be able to link digits together. That specification required a connector that did not hang over the edge. I decided to go with a female connector for both input and output connectors and to use long-tailed, unshrouded male header pins as the interconnect. A 0.100-inch pitch would make my selection compatible with many existing connectors and prototyping systems, which would be valuable for any hobbyists that buy the product. A surface mount option would make the board easy to assemble.
With specs in mind, I needed to see if the connector I wanted existed and what options were available. My go-to source for connectors is Samtec. In my experience, they are the definitive source for connectors. Their website is relatively easy to browse, with a huge selection and great documentation. Their major advantage is that they will ship overnight samples of anything you want for free. I started browsing in the .100-inch pitch connector section and found the SSM series. This connector comes with a right angle, surface mount option. It also mates with the TSW series, which can include a long tail for the interconnect.
Samtec's connectors are excellent quality, but they are expensive. In small quantities, each connector was $1.22, and I needed four per board. For small runs, it's very convenient to avoid worrying about sourcing connectors. For this product, I needed something cheaper, or the final product would be too expensive to sell at retail. Because the price breaks at Samtec did little to improve the cost, I had to look elsewhere. Unfortunately, distributors like Digikey and Mouser weren't much help. I even used my early access at parts.io, but there were not many options. Finally, I resorted to Google. I searched for "surface mount header" and clicked on any link that looked like the product. There were a few manufacturers and distributors listed. Sometimes distributors have links to datasheets, which I can use to find new manufacturers to look at. Some of the manufacturers required me to fill out a form to request a quote by email. After a few of them got back to me, I had a new, lower price and a much higher minimum order quantity (MOQ): $0.55 each with a MOQ of 2,700 connectors.
The minimum quantity of connectors will drive the minimum quantity of boards I can make cost effectively. The price of the connectors will also have a large effect on the price of the completed board. I'll discuss more details about costs and pricing in future posts.
In my previous post, I went over how I selected the Lite-On LTST-C230TBKT blue LED. Today I'll discuss the process I used to check that this LED was a good selection.
The first thing I did was go to Octopart to see what prices and availability were like outside of Digikey. There, it looked like Digikey had the best price and the most in stock, but Mouser had 10,000, and a few other places also had these LEDs.
Second, I wanted to see what other color options existed in the same form factor and with similar electrical characteristics. Down at the bottom of the Digikey product page is a link to view the product in the online catalog.
There, I saw a bunch of color options, which looked promising. From that page, there is a link to view results as a parametric search. There were some non-reverse mount LEDs and multiple packages. After selecting only reverse mount, cut tape, and in-stock parts, there were nine options left (about one in each color). I could have red, amber, yellow, green, or blue LEDs. They all had the same current rating, so the current set resistor connected to the LED driver IC wouldn’t need to change. Because they all had the same package dimensions (which presumably meant that the land patterns for the PCB were the same), I could use the same PCB for any color.
Next, I wanted to see the options for buying reels of these LEDs. Digikey has a nice little "Alternate Package" box with a link to the reel packaging. At 11,000 LEDs, they would cost just under $0.07 each. If I built more than 500 boards and ordered more than 15,000 LEDs, that price would drop down closer to $0.06. That price was not bad and was a lot cheaper than other options I'd seen.
Finally, I wanted to check the datasheet. LEDs are simple, but I like to know that the manufacturer cares enough to test the product and publish the results. For this project, some of the exact details don't matter, but it's nice to know the product is well characterized. It's reassuring to have the spatial distribution of the light produced, for example, even if I don't need that data at this point. More importantly, the datasheet has land patterns and hole cutouts for the PCB and also has exact dimensions of the product and its packaging. The PCB information would make it easy to lay out the board. The dimensions of the reel would be useful for a contract manufacturer or assembly house so they know what they're getting and can set up their pick-and-place machines.
After I considered these features, this LED looked good. In my next post, I plan to go over my selection of the connector.
In this post, I'll go over the LEDs I selected for the seven-segment display.
While designing these initial prototypes, I have been keeping in mind that the design needs to be straightforward to manufacture. I've also been considering the overall system design, especially the mechanical assembly of the final clock. The LED selection had a lot to do with that. Digikey has 19,037 options for discrete LEDs. Here's how I narrowed it down to one.
Let me start by mentioning that RGB LEDs, like the Neopixel, are cool. However, they are overkill for this product. They are also expensive and less available than single color LEDs.
The first way I narrowed the search was selecting only reverse mount, surface mount (SMD) LEDs, which Digikey calls "Surface Mount, Bottom Entry." This choice was important to the system design in two ways. Firstly, keeping all parts on the same side of the board is much cheaper for assembly. Double-sided boards require two trips through a pick-and-place machine and the reflow oven. Depending on the process, adhesives have to be used on the first side. This procedure adds complexity and cost to the final product. Secondly, reverse mount LEDs allow for a smooth front surface to mount both the diffusers and wave guide material. I want that part of the design to be very flexible and easy so users can make their own guides.
The second way I narrowed the search was selecting only blue LEDs. The brought the results down to 34. I wanted a blue clock, but I chose blue for another reason. Blue is a difficult LED color (difficult enough to win researchers a Noble Prize). Blue LEDs require the highest voltages, which means that, if blue LEDs work, lower-voltage LEDs, such as green and red, should also work. I'm also interested in a manufacturer that has a family of similar LEDs that differ only in color. Because of that feature, if I want to make variants of the segments with different colors, I can use the same boards and just swap out the LED part.
After further narrowing the search to cut tape packaging and in-stock items, there were only six results. Cut tape is important because I want small quantities for prototyping but reels for manufacturing. I have assumed that, if cut tape was available, I can also get the product in reels, but I will double check my final selection later.
At this point, any of the LEDs would work for prototypes. The next two columns I looked at were unit price and quantity available. If I make 500 boards with 22 LEDs per board, I'll need 11,000 LEDs. Digikey now lets you sort by price at a quantity. At production quantities, the Lite-On LTST-C230TBKT blue LED stood out as less than half the cost of the second least expensive option. It also had the highest quantity available, at over 51,000 in Digikey stock.
In my next post, I'll go over my process for double checking my LED selection.
This blog documents the process of taking a prototype into low-level production. I'll start by going over the design of the full digit prototype. Below is the schematic, which is intentionally simple. Let's go into some of the design's details.
LED Driver IC
When I started doing research for this project, I thought the LED driver IC would be a challenging part to find. As it turns out, there are many constant current (CC) LED driver ICs on the market with a wide variety of interfaces. I wanted a constant current LED driver with direct current instead of PWM because I wanted to dim the segments while avoiding ghosting issues. You can sometimes see this effect of PWM-based dimming if you glance back and forth across an LED source.
Instead of needing two chips, such as a shift register and a current source, the TLC5917 does it all and more. It works out of the box as a shift register with direct current drivers. The current is set with a single resistor. Additionally, the TLC5917 has special commands to dim the display based on a fraction of the set current. Beyond that, it can detect shorts and opens, and shifts out the results. If the microcontroller could also read in shift register data, it could do an incredible amount of diagnostics for less than $1 per board.
That's enough for now. In future posts, I plan to go over how I selected the LEDs and the connectors.
Today I'd like to go over the optical stackup I'm using for the full digit. The materials from top to bottom are
- Standard copy paper
- Two pieces of 1/8-inch-thick acrylic opaque white, laser cut to form segments
- One piece of 1/8-inch-thick 40% transparent white acrylic, laser cut to a size of 6.0 inches x 4.2 inches
- A PCB with reverse mount LEDs for a smooth top
The Rev 2 boards in for the full digit recently arrived. I soldered up two of them and connected them together for a quick test. The major bug fix was in the connector pinout. Now the boards can butt up against each other like they were supposed to. I'm running this test using a Spark Core and a breadboard power supply from Adafruit. The colon is two decimal points. The digit on the right is upside down.
I'm starting this blog to document the process of taking an open-source hardware project from concept to product. I'll be diving deep into matters that include design for manufacture, component selection, supply chain management, pricing, assembly, marketing, sales, and logistics. In my professional career, I've worked on many projects up through the production stage. However, these projects were hardware tools for my company’s internal use. This blog will follow the first project I am making available to the general public.
My personal goals for this project are threefold:
- Have a cool clock at the end.
- Learn about Internet-connected modules, such as the Spark Core.
- Gain experience with the process of taking a hardware project to market.
I can't guarantee I will make a successful product. Regardless, I intend to post updates on my progress here as I go through each of the challenges related to this project. Whether or not there is a successful product at the end, I know I will learn a great deal about the process. My hope is that you can learn with me.


IoT sensor Market: Global Size, Trends, Competitive, Historical & Forecast Analysis, 2019-2025– Tumbling IoT sensors cost is key driving factor for the IOT Sensor Market.
IoT sensor market consist of different type of sensors, which collect data from surrounding environment like sound, pressure, temperature and light. There are mainly two important objects in IoT sensor first is virtual and second is physical, in virtual internet is included and in physical various type of sensors and actuators are included. Both objects are interrelated by cloud technology to exchange the data and information. Physical objects such as sensors and actuators collect the data from environment interpret them and send to the cloud. Once the data gets to the cloud, software perform some kind of work on it and that information is delivered to end-user.
IoT sensor market report is segmented on the basis of sensor type, networking technology, by vertical and by regional. Based upon the type, global IoT sensor market is classified pressure sensor, temperature sensor, proximity sensor and others. Based upon by networking technology is classified in to wired and wireless technology. Based upon by vertical classified in to consumer IoT, commercial IoT and industrial IoT.
The regions covered in this IoT sensor market report are North America, Europe, Asia-Pacific and Rest of the World. On the basis of country level, market of Electric Carsis sub divided into U.S., Mexico, Canada, U.K., France, Germany, Italy, China, Japan, India, South East Asia, GCC, Africa, etc.
Key Players for Global IoT sensor Market Reports–
Global IoT sensor market report covers prominent players Texas Instruments Incorporated., Robert Bosch GmbH, Honeywell International Inc., NXP Semiconductors N.V., Siemens Healthineers, Analog Devices, Inc., TE Connectivity, Infineon Technologies, Sensata Technologies, Smartthings, Inc., Konux Inc. and others.
The cost of IoT sensors is dropping fast and expansion of Internet connectivity is key driving factor which helps to grow IOT Sensor Market.
In 2004 average cost of sensors was USD 1.30 and in year 2020, it is expected to come down to USD 0.38, now we can collect more data with decreasing cost of sensors. Uses of sensors in IoT is increased with technological advancement. Drastic reduction in price and cost of sensors and technological advancements in several framework aspects are driving growth of the IoT market. Expansion of internet is another driving factor of this market. However, several networking, software and power issues are hampering the growth of IoT sensor market. In networking, protocols play a critical role for connection, data transformation and communication; as it can reduce the service integration time and cost. The current Internet is using TCP protocol for transmission which is not feasible for the IoT due to limitations. There are a lot of existing protocols depending upon different criteria for mobile networking but all are not practicable for IoT. So, there is need of protocol for processing of data. Wireless sensor has four main component sensing unit, processing unit, transmitting and receiving unit and power unit. Highly accurate sensor module consumes more power so need to battery replacement over their lifetimes. So, Low power wireless sensor is one of the future opportunities to IoT sensor market.
North America is expected to Dominated the IoT sensor Market
North America is expected to hold large number of shares of IoT sensor market in 2019 with market share of around 35%. Increasing usages of internet and growing adoption of wireless sensors is fostering the growth of IoT sensor market. Europe is second region, with the sales market share of approximately 33% in 2018. This region is anticipated to grow at significant CAGR of around 26% during forecast period and North America at a CAGR of 33% between the forecast period of 2019 and 2025.
Key Benefits for IoT sensor Market for Automotive Reports –
- Global market report covers in depth historical and forecast analysis.
- Global market research report provides detail information about Market Introduction, Market Summary, Global market Revenue (Revenue USD), Market Drivers, Market Restraints, Market opportunities, Competitive Analysis, Regional and Country Level.
- Global market report helps to identify opportunities in market place.
- Global market report covers extensive analysis of emerging trends and competitive landscape.
Get more information, Ask for free sample copy: https://www.brandessenceresearch.com/semiconductor/iot-sensor-market/
IOT Sensor Market Segmentation –
By Sensors Type:
- Pressure Sensor
- Temperature Sensor
- Proximity Sensor
By Network Technology:
- Wired Technology
- Wireless Technology
- Consumer IoT
- Commercial IoT
- Industrial IoT
- North America
- Asia Pacific
- Southeast Asia
- Latin America
- Middle East and Africa
- Rest of Middle East and Africa


The Information Technology Division provides an internal support function within Sherburne County. The department coordinates technology related functions and initiatives to assure that they meet the county’s business needs. Information Technology manages the county’s network backbone and helps the various county departments with technology planning, systems design, and the implementation and support of information systems technologies.
The Information Technology Division is divided into three main units:
The Network unit, which manages the county’s WAN / LAN environment.
The Desktop unit, which provides PC Hardware and Software implementation and Technical support services for the county.
The Web and Database Administration unit, which coordinates the county’s databases and web systems.


With the region embracing cloud-enabled digital technologies, companies race to build digitally-enabled internet infrastructure
Asia Pacific is embracing digital transformation and by 2022-23, around 87 percent of companies in the region will be well on the way in their digital transformation journeys, ahead of their counterparts in Europe and the Americas . Robust internet infrastructure, provided by modern data centers, is the key to the region’s digital transformation.
IDC estimated spending on technologies and services that enable the digital transformation of business practices, products, and organizations in Asia Pacific to be US$375.8 billion in 2019 . The research agency added that digital transformation spending will expand steadily throughout its 2017-2022 forecast period, with a five-year compound annual growth rate (CAGR) of 17.4 percent. According to another study , done earlier this year, 43 percent of nearly 600 respondents in the region cited digital transformation as their top priority, followed by cloud infrastructure deployment (38 percent).
The emphasis on cloud infrastructure deployment is important. Although technologies like artificial intelligence (AI), machine learning, IoT (Internet of Things), big data and blockchain are the building blocks of digital transformation strategies, the cloud is the fundamental enabler. A robust cloud computing infrastructure is the pre-requisite for digital transformation as it offers the perfect platform for rapid prototyping and scaling of projects in a cost-effective manner within a secure environment .
With such a close connection between digital transformation and cloud computing, Asia Pacific’s internet infrastructure is the key enabler for a region with a combined population of 4.6 billion people  who are increasingly connected to the Internet and use digital technologies.
The region has become one of the fastest growing markets for data centers in the world today. It is set to become the second largest data center and hosting services market with a revenue of US$32 billion by 2023, second only to the United States . The introduction of AI and machine learning workloads is expected to contribute over 40 percent in the internet infrastructure investment in Asia Pacific by 2025 .
The colocation market for the region will grow at a CAGR of 12.2 percent from 2018-2024 . Much of the demand will come from social media platforms, media content and video streaming, e-commerce and banking, all looking to cash into the digital transformation of the region. This demand is attracting both global cloud computing service providers as well as regional players and both categories of companies are looking at colocation as a quick way to ramp up capacity in fast growing countries in the region.
Last year, China and Hong Kong led the market in terms of data center development, followed by India, Australia, Japan, and Singapore . There is also a significant increase in investment in submarine cable projects by hyperscale operators to improve the internet infrastructure and connectivity in the region.
Growth across countries
As China pursues its objective of digital transformation in its economy, it is planning to build “industrial big data” centers nationwide, enabling massive amounts of information – mostly production data – to be used for developing more efficient industries .
The increasing adoption of IT infrastructure for digital transformation is a major driver in the data center market growth in India, with high adoption of servers, storage, and networking infrastructure. Around 70 percent of startups in India are adopting IoT in their business . Healthcare and manufacturing are also popular verticals attracting a lot of investor interests as they ramp up their digital services.
More than 30 percent of Australian enterprises is using AI-based infrastructure solutions for experimental as well as production workloads. Over 50 percent of the business IT budget is spent on the migration to cloud-based services in Australia, with IaaS (Infrastructure as a Service) spending leading the chart followed by SaaS . The Australian market will also witness the increased demand for managed data center services. IT infrastructure spending will be dominated by cloud-service providers.
In Japan, the IT Infrastructure market is gaining traction with the increasing popularity of cloud-based services, IoT, and AI. As an example, Rakuten, Japan’s largest e-commerce player, with more than 1.2 billion customers around the world , is planning to deploy 4,000 edge data centers throughout Japan covering 96 per cent of the population coverage by March 2026 .
The South-east Asia (SEA) cloud computing market revenue is estimated to reach US$40.32 billion by 2025 because of an increased demand for cloud computing among small and medium-sized enterprises (SMEs) . The countries in the region are looking to expand digital technologies and internet infrastructure to promote the widespread use of ICT (InfoComm Technology) in AI industry verticals.
Increasing use of IoT
With the Asia Pacific region already being the global manufacturing hub, particularly for electronics manufacturing, the region’s manufacturing sector is embracing Industry 4.0 technologies as part of their digital transformation initiative.
IoT, particularly industrial IoT, is a crucial component of the digital factory and hence it is no surprise that the region is leading in its adoption. According to IDC, last year Asia Pacific was the leader in IoT spending accounting for 35.7 percent of global spending, followed by the US and Western Europe with 27.3 percent and 21.2 percent, respectively. Within the region, China was the top spender, followed by South Korea and India. IDC predicts that by 2023, IoT spending in the region will reach US$ 398.6 billion . According to IDC, the three industry verticals that will spend the most on IoT solutions are discrete manufacturing, process manufacturing, and utilities. The success of IoT systems lies in the collection and analysis of data and this is a major factor that is driving demand for cloud computing.
To sum up, with the adoption of IoT, AI, and big data analytics, the demand for high-performance computing infrastructure is increasing . With data analytics being an important part of digital transformation companies across the region are increasing the deployment of machine learning, deep learning, and other AI technologies to power cloud services. This represents both a challenge as well as an opportunity for data center operators. Data center operators are focusing on how they can deliver the performance their customers need for AI-enabled cloud services . This is also a big driver in data center build-out in the region.
PDG, with its best in class design and data center services that cater to the needs of hyperscalers, is well-equipped to provide the digital infrastructure required for AI-powered digital transformation in the region.
Princeton Digital Group (PDG) is a Warburg Pincus-backed investor, developer and operator of internet infrastructure. Our portfolio of data centers powers the expansion of hyperscalers and enterprises in the world’s fastest-growing digital economies. Our agility, speed and unmatched experience in scaling global internet infrastructure provide our partners and customers immediate access to growth opportunities across Asia. To engage with us, email us at: firstname.lastname@example.org


Building on the success of Nexa’s ultra simple, low cost cordless scanner, the NL-1800, the NL-1950 adds in a range of features that increase it’s versatility and usability in a variety of scenarios.
Built for demanding applications of all shapes and sizes, the NL-1950 is both powerful and flexible, and has the features you need to get the job done quickly and easily.
Key features include:
– Compatible with Windows, iOS, Android and Mac OS X
– Charging cradle also allows hands free scanning
– 100m Bluetooth range allows uninterrupted scanning
– On board memory allows batch mode and collection of barcodes when out of wireless range
– Scans from LCDs screens


In this document we describe the workflows used in the creation of Virtual and Augmented Reality digital twins. These workflows include: The generation of 3D avatars, scene reconstruction of real-life environments and motion capture.
An avatar is a virtual representation of a player or non-player character in a virtual environment. Avatar creation ranges from basic humanoid placeholder models to hyper-realistic 3D scans of real humans using laser scanners or photogrammetry. Human avatars can be animated using motion capture of real humans.
A digital representation of real world locations, objects, buildings and facades can be created using several methods, such as laser scanning or photogrammetry. For specific use cases a hybrid approach can be used in which a digital model is created from scratch using point-cloud or photographic reference data.
Scene reconstruction using LIDAR
Laser scanning (LIDAR) uses light to measure the distance to an object or environment. The LIDAR outputs a cloud of points in 3D space (point cloud data, PCD). Those points can then be converted into a solid surface via one of several techniques, such as delaunay triangulation or marching cubes.
The following sample shows a classroom scanned using the Trimble X7 LIDAR scanner. The left-most image is the original point-cloud data acquired from the scanner. The point-cloud contains more than 10 million colored points.
The middle and right images show a mesh reconstruction of the scene using the marching cubes algorithm. Marching cubes is a primitive but robust method of generating watertight meshes from complex geometry.
Scene reconstruction using photogrammetry
Using photogrammetry a 3D model is created by extracting features from a large number of color photographs. The object is photographed from many different overlapping perspectives. A sophisticated model extracts common features in the photographs and places them relative to each other in 3D space. A mesh can be reconstructed by comparing the different depths between the common features of the photographs. Finally, the photographs themselves can be mapped on the resulting mesh to generate a photo-realistic texture.
Laser scanning + CAD reconstruction
The final option is the manual creation of Virtual Reality and Augumented Reality 3D models using computer-assisted design tools, such as 3D modelling software. By overlapping real-world scans such as point clouds or photogrammetry meshes, a fully digital model can be drawn on top of the reference data to quickly produce a sharper and cleaner model based on real world geometry.


Contact us for buying resistors, an electric components that can perform electrical obstruction. These can also be used in electronic circuits for performing a number of functions, for instance diminishing current stream, ending transmission lines, separating voltages, etc.
Neutral Earthing Resistors supplied by us are the advanced and highly functional units. These are the reliable resistors, which are suited for several earthling applications. Also, these can make a limit to the current in transformers.
Speed Control Resistors allow for safe level of voltages and obviate the chances of overheating. Their use ensure less time in braking. Plus, these are known for their boosted equipment life as well as excellent operation. Offered system are useful for the controlled energy inputs.
Buffer Resistors are effective for the low speed applications. Safety, efficiency and durability of these units are outstanding. These are the highly commendable units of extended durability and boosted service life. Supplied high-impedance solutions have power packed performance.
We are offering best-quality Electrical isolators,
which work as the mechanical switches. These are needed to isolate one part of
the circuit. The said products work with efficiency and safety.
Buy from us a device called Load bank, apt for developing electrical load, applying that load to an electrical power source and then either converting or dissipating the resultant power output of the source. This device mimics the real load very well.
Isolation Panels are suitable for a variety of processing plants with fluctuating loads. These panels are very easy to install as well as simple to operate. These panels are tested under various parameters to ensure its excellent working and high performance. These panels are very effective and great to use.
Indoor Isolators are highly reliable switching devices that are designed to isolate electrical circuits from power sources during the repairing process to eliminate the risk of accidents due to large currents. There are many different types of these heavy-duty machines availed by our company at a reasonable price.
Motor Starting Resistor panels are control devices that are commonly used in industrial applications to ensure the safe starting of large-sized electrical motors without the risk burning of windings. Get these high-performance electrical machines as per your requirements.
AC Resistive Load Bank devices are control units that are commonly used for testing generators, uninterruptible power supplies, and electrical distribution systems at variable AC loads. Buy from us these units in various sizes and power ratings.
LAVT and LA-SC-PT Panels availed by our company are designed as per electrical engineering standards using top-quality components that are capable to withstand large electrical loads. These control units can deliver to our clients with an assurance of fast and safe delivery.
We are a big name that deals in the manufacturing and
supplying of top-grade Grounding Panel that are designed and developed by our
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materials that make them efficient and sturdy.
National Resistors is a leading manufacturer of premium-class
Switch Panels that are designed for commercial and industrial applications.
Buyers can get these electrical units from our company at a reasonable price
LAVT panels are engineered to limit the starting torque as well as current in a variety of applications. They can control the ground fault current and are compatible to work with the grounded as well as solidly grounded systems.
Discharge resistors are compact device that safely discharge voltage carrying devices, such as batteries and capacitors, especially at times of machine maintenance or electric vehicle operation. It is done to make sure that both, humans and equipment are out of risk.
We are a renowned name that offers industrial-class Isolator LBS Panel controllers that can be various low to high-powered electrical systems for safety purposes during repair processes. Buy from us these heavy-duty panels in various sizes and power ratings as per your needs.
"We mainly deals in export markets as Nepal, Kenya, Yemen, Saudi Arabia, Dubai, Riyadh, Sudan, Iraq, Singapore, Vientiane, Bangkok, Manila, Nigeria, Africa, Malaysia, Syria, Amman, Jordan, Iraq, Thailand, Zambia, Rwanda At East Africa, Lusaka, Zambia, Jakarta, West Africa & Ethiopia."


The 16th ChinaJoy kicked off in Shanghai, China on August 3, 2018. The Global Game Industry Summit was held concurrently. David Ting, Vice President of Engineering from DataVisor, gave a speech titled “How AI Technology Can Improve the ROIs of Acquiring New Users” where he discussed the fake app install problems and introduced DataVisor’s fraud detection technology for the mobile gaming industry.
In recent years, many mobile applications, including mobile games, have expanded to the global market. However, as they expand, fake traffic is becoming a growing problem that has long plagued many game developers. It directly results in the waste of marketing resources, making it impossible for developers to have real control over the ROIs of acquiring new users.
With AML compliance becoming increasingly complex and consequential, new technologies are needed to improve detection rates and reduce costs. Aite's Julie Conroy discusses how DataVisor's Unsupervised Machine Learning platform can help in her new Impact Note.
DataVisor was featured at the Mountain View Tech Showcase along side other leading MV-based companies like Facebook, Google, LinkedIn, and Intuit.
In response to a large number of data leakage incidents in the era of blockchain and artificial intelligence, countries have proposed higher data compliance requirements. How companies proactively deal with complex and rampant fraud attacks has become an important issue of increasing concern.
Yinglian was invited to speak about how DataVisor stops Fraud and Abuse with Unsupervised Machine Learning at the 2018 Microsoft Startup Showcase.
DataVisor's Director of Strategy Igor Bidny discusses cutting edge trends and techniques for applying machine learning to fraud investigation. With the rise of coordinated, sophisticated attacks, taking advantage of the latest big data and machine learning technology is ever more important.
The DataVisor report provides the latest insights into trends in global fraud activity and attack techniques. Last quarter, we uncovered a total of 900 million malicious activities and transactions. The report reveals dramatic growth in fraud infrastructure, with fraudulent accounts growing by 50% from Q4 2017 to Q1 2018.
DataVisor's Yuhao Zheng and Boduo Li share advanced techniques for managing thousands of spark workers to analyze billions of events at a time, including clustering workers and automated, optimized management of DataVisor's spark infrastructure.
DataVisor's Ting-Fang Yen and Arthur Meng present a novel deep learning technique for scalable online fraud detection among billions of users.


This is a version of a diy pocket dolly, driven by an adjustable 12V gear motor. The power comes from 8 AA rechargeable batteries, which are integrated into the controller. The dolly is pretty light and compact so that it fits in a backpack and can travel well.
There are two motors which you can replace within a minute.
1.Motor: Slow =24min / 1m(3,3ft), Fast=2min /1m(3,3ft)
2.Motor: Slow=2min / 1m(3,3ft), Fast=10sec/1m (3,3ft)
The slow motor is good for time-lapse recordings and macro slides the fast motor is good for everything else.
With the the fast motor still some problems because it transmits vibrations to the camera. The video was made solely with the slow motor. It works quite well.
The solution with the gearmotors is actually a compromise. It is better to take a stepper motor, but it is a bit more complicated.
The slot in the aluminum was made with a normal router (if you want to imitate that, please protect your eyes).
A few more detailed information:


Dr. Hideki Yoshida is a Deputy Manager of Basic Research Program Evaluation, Japan Science and Technology Agency, which is one of the ministry-related funding agencies for basic research in Japan. He is currently in charge of research evaluation, more specifically of designing and organizing of the evaluation system for the programs or the projects of the agency.
Dr. Yoshida received a B.S. in Engineering from Kyoto University (1992), a M.S. in Engineering from University of Tokyo (1994), and a PhD in Policy Research from GRIPS (2008). He is a panel member of the Japan Society for Science Policy and Research Management.
Dr. Yoshida started out as a researcher of R&D center, TOSHIBA Corporation and engaged in the R&D of the secondary batteries. Since 2002, he has worked at the present agency and been in charge of the basic research promotion and the analysis on the nanotechnology policy. In 2009, he conducted a collaboration research on technology management as a visiting fellow at SPRU (Science and Technology Policy Research), University of Sussex.
His interest currently focuses on the interaction between basic research and applied research, which are based on his actual activity at the funding agency for basic research and the experience of working at an electric company. He has aimed to investigate the mechanism of the interaction between them and to make a feedback to the S&T policy and the funding system.


V. I. Borysenko1, V. V. Goranchuk1, E. M. Chalyi2, V. V. Stadnik2
1 Institute for Safety Problems of Nuclear Power Plants,
NAS of Ukraine, 12, Lysogirska st., Kyiv, 03028, Ukraine
2 SS “Scientific and Technical Center”, SE “NNEGC
‘Energoatom’”, 22−24, Gogolivska st., Kyiv, 01054, Ukraine
The methodology for choosing the optimal conditions for irradiation of specimens in the material testing channel of the VVR-M research nuclear reactor is presented in the article. The solution to such a problem is necessary to justify the possibility of irradiation of specimens in the material testing channel under given irradiation conditions. In this case, the irradiation conditions include not only the height distribution of the neutron flux density, but also the spectrum of neutrons and the temperature of the specimen in the material testing channel. This approach optimizes the work of VVR-M reactor by placing the maximum possible number of specimens in the material testing channel for irradiation. Also, the optimization of the VVR-M operation involves choosing the location of the research channel in the VVR-M core, where, during the planned irradiation time, the maximum flux density of fast neutrons or neutrons of other energies will be reached, depending on the task.
The neutron-physical model of the research nuclear reactor VVR-M in the calculation code SCALE was used for research. The reliability in the determination of neutron-physical characteristics in the VVR-M material testing channel is confirmed by the results of validation carried out at the previous stage of research. It is shown that in order to ensure the necessary accuracy in the determination of the neutron flux parameters in the material testing channel, it is necessary to take into account the fuel burnup, as well as the actual scheme of fuel assemblies rearranging in the VVR-M core for various fuel loads.
The results of calculations of important neutronphysical characteristics of the model of a VVR-M nuclear reactor for fuel loading, which is in operation today, on the basis of which it is possible to optimize the choice of the location of the material testing channel in the VVR-M core are presented in the article.
Keywords: VVR-M research nuclear reactor, reactor core, material testing channel, neutron flux density, fuel element, fuel assembly.
1. SCALE-4.4a: A Modular Code System for Performing Standardized Computer Analyses for Licensing Evaluation, NUREG-CR-0200, Rev. 6. — Oak Ridge National Laboratory, 1998.
2. Borysenko V. I., Goranchuk V. V. (2020). [Validation of SCALE Model of VVR-M Reactor]. Yaderna enerhetyka ta dovkillia [Nuclear Power and the Environment], vol. 3(18), pp. 42–47. (in Ukr.)
3. Borysenko V. I., Goranchuk V. V., Piontkovskyi Yu. F., Titimets I. O. (2019). [Validation results of SCALE and MCNP calculation codes on data of benchmark critical experiments at SF-9 installation]. Yaderna enerhetyka ta dovkillia [Nuclear Power and the Environment], vol. 1(13), pp. 17–22. (in Ukr.)
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