Electronic message centers are becoming an imperative part of business signage. Since they are a newer medium, however, many companies are approaching the use of electronic message centers without considering key factors. There are many variables to take into consideration before purchasing a system, but if you work closely with your local SIGNARAMA store, you are sure to get an electronic message system that will increase customer knowledge and blend seamlessly with the other marketing aspects of your business.
Screen Resolution And Matrix
Screen resolution should always be considered first. The overall size of your electronic message center will dictate the necessary requirements. Use and intent are also a factor, for instance, are you purchasing the system to display time and temperature only, or full-color photos?
Once size is determined it is time to focus your attention on the matrix of the message center. The matrix is how many pixels tall by how many pixels wide. Overall size plus the matrix will determine your message center’s resolution.
Let’s say you are going to use a 25 millimeter pitch (there are 25 mm in an inch). A pitch is the measurement from the center of one pixel to the center of the next pixel. So, a 25 mm pitch means there are 25 pixels in an inch.
Depending upon the viewing distance of your message center, a 25 millimeter pitch may work fine. However, longer viewing distances may need a tighter pixel pitch, like 20 mm. Remember, the smaller the pixel pitch the more pixels per square foot. The more pixels per square foot, the better the resolution, which means you can show higher-resolution photos and images.
Weather And Your Electronic Message Center
A quality electronic message center will stand up to weather of all types. These systems are made to be used outdoors. Every electronic message center SIGNARAMA builds is coated with a weather-resistant epoxy coat. This eliminates any weather concerns, regardless of where your new company sign is placed.
Will You Need Permits?
Permitting can be an issue depending upon where your electronic message center will be located. Many times, restrictions on permits are limited to motion. Thus, eliminating things like flying words or short videos might take you out of the permit requirements. However, you may also need permits based on size and location, as well as electrical inspections. Your SIGNARAMA store will be able to help you with all permits and inspections.
What Tools Do I Need?
Updating an electronic message center is pretty simple. You’ll use a basic computer program that’s installed on your computer and controlled via your company’s wireless network. You can even use a cell phone connection to control and update messages. Again, your SIGNARAMA store can help you with these products.


Hi All, this is my first post and I am really hoping that someone can help, I have had a search but i am confusing myself
I have had a Sizzix Eclips for many years and never connected it to the computer... This past week i have decided its time to get with it... So we hooked it up with a mini usb cable from the handset to the computer and the regular USB goes from the handset to the machine. We installed Ecal from the disc that came from the machine... I best mention that this is the 1st version of the Sizzix Eclips and eCAL - I am on windows 10.
Program loads and if i press cutter it tells me that there is no machine connected... I know the mini USB cable works as we have tested it. If we connect the machine straight to the laptop then it seems to know the machine is connected but obviously wont cut.
Does anyone have an idiots guide before i teach it to fly and throw it out of the window..... Pleaseeeeee


The PMX42 is a design concept I came up with for a 1/8 DIN size computing module with a 128×64 amber OLED display. It’s not really a “meter” in the classic sense, but an open architecture computing module nucleus that accepts custom I/O cards to meet a wide variety applications. In effect, the I/O cards and firmware define the application and it’s use. So, for now, we’ll dub this module as the “Accelerating Product Development Nucleus“!
The PMX42 has lots of horsepower under the hood and is powered by a powerful Texas Instruments Tiva TM4C1294NCPDT ARM® Cortex™ M4F microprocessor. The Tiva processor operates at 120-MHz and achieves 150 DMIPS performance while providing 1024 KB Flash memory for code and 256 KB single-cycle system SRAM for dynamic memory use.
The onboard peripherals includes a 10/100 Ethernet MAC, USB 2.0 OTG, SD memory card slot and option slot for internal WiFi or Bluetooth card. The PMX42 also provides on-board power and regulation to provide 3.3V, 5V and +/-12V to each I/O card slot on the motherboard.
Each slot contains I/O pins to the Tiva’s quad synchronous serial interface (QSSI) modules with advanced high speed quad SSI support. The first two slots are wired to one SSI controller and the second two slots are wired to a second SSI controller. Each slot has it’s own dedicated interrupt and slave select line wired to the processor GPIO’s. Additional multifunction GPIO’s are available on each slot as well. Slots 3 & 4 have dedicated high speed UART and serial lines to support a variety of communications options.
CUSTOM DESIGNED SHEET METAL ENCLOSURE
The entire PMX42 enclosure and boards were all 3D modeled and designed in Geomagic by 3D Systems. All of the sheet metal pieces in this design were laser cut and formed to tight tolerances (within 5 mil) by PCI Pro Coaters Inc right here in Atlanta Georgia. Give the guys at PCI a call if you need any professional sheet metal work done – they do amazing work and are the best folks around!!
RS-232/422 DUAL SERIAL I/O CARD
One of the first cards I designed was a generic RS-232 and RS-422 high speed serial card. The RS-232 is supported by the MAX3223 and supports speeds up to 250kbps with CTS/RTS flow control. The full duplex RS-422 port is supported by the SN65HVD1473D part with data rates up to 20Mbps.
BLUETOOTH I/O CARD
A Bluetooth I/O card is available also which uses an off the shelf module for ease of integration. The Bluetooth module communicates to processor via a high speed UART interface.
SMALL SIGNAL RELAY & OPTO INPUT I/O CARD
The small signal relay card provides two SPDT relays for low-level switching and signal control. It also features three opto-isolated inputs that can be used to trigger from external events by pulling the inputs low to ground.
DUAL RTD TEMPERATURE I/O CARD
A dual 3-wire RTD temperature measurement card using Analog Devices AD7793 ADC’s in the works also. The AD7793 is a 24-bit low power, low noise, complete analog front ends for high precision RTD temperature measurement applications.


Installing a home security camera is a simple method to keep your family and property safe. You can pick a wifi or hardwired security camera, and many can be easily set up yourself. Additionally , there are security cameras where you can monitor the footage your self from a mobile unit. Wireless cameras are usually easy to install and can monitor activity in real-time.
Most security cameras happen to be controlled by a smartphone app, which provides an easy-to-use live provide for as well as many customizable features. You may choose a home security camera with customizable announcements and customizable settings, and a motion-detection feature, to get intruders in the act.
One more feature you must try to find is the camera’s Wi-Fi connection. Some video cameras only work with 2 . 5 GHz systems, so make sure your router supports the rate of recurrence of the camera. Alternatively, you can aquire a dual band https://thevirtualdata.com/techniques-that-will-be-used-by-the-organization/ router that supports both eq. A security camera will require a good Wi-Fi connection to function properly.
Arlo is a premium quality wireless security alarm camera that may be easy to install. These types of cameras can be employed for inside and outdoor surveillance. These cameras are easy to create and have a good reputation. Arlo offers a variety of camera types including the Arlo Pro and Arlo Q Plus. These sheets night perspective options.


Universal Remote Control Software for the PC
Our flagship product is IRCommand2 — software designed to turn your PC into a powerful universal remote control.
In a computer-centric world IRCommand2 provides a convenient way to control devices in your home or office, or wherever. For example, you can control your TV from a PC or laptop. And why stop there? You can control your home theater, stereo, AV receiver, projector, air conditioner, lights, appliances — anything that responds to an infrared (IR) or X10 remote control.
You don't have to be sitting at the PC to use IRCommand2 because it can listen for requests that you send to it from a handheld remote. A free web interface can also be implemented that allows you to interact with IRCommand2 from any web browser, including browsers on iOS and Android tablets and phones.
Easy Home Automation
IRCommand2 has capabilities that go beyond many IR (infrared) univeral remotes, including remotes that cost hundreds of dollars. And beyond the remote control, IRCommand2 can also serve as a basis for a simple, low-cost home automation system.
IRCommand2 can help you solve a wide variety of automation and control needs in the home and office, including:
- IR remote control of entertainment systems
- IR remote control of home theater systems
- IR and X10 remote control of home appliances
- IR remote control of AV (audio/video) systems
- X10 remote control of lighting
- Home automation solutions — Control devices based on IR and/or X10 events
- Assistive technology solutions — Use IRCommand2 as an integral component of an assistive domotics solution that enables you to remain more independent. For example, perform envrionmental control by linking IRCommand2 to a switch or by using voice recognition software like Dragon Naturally Speaking™. Contact us for help with your assistive technology application.
IRCommand2 provides a powerful macro capability. A single button click can be made to lower the lights, turn on all of your home theater components, and set them properly for watching a movie. Another click and you're back to watching TV or listening to music.
If you want something to turn on or off on a specific time schedule then you don't even have to click that single button. Let a time trigger do it for you. Don't want to keep your PC on all the time? IRCommand2 can automatically wake your PC from standby to execute time triggers.
Look and Feel
Out of the box the free demo mode of IRCommand2 provides a basic setup for controlling a single device. The demo enables you to evaluate the software without being overly restrictive and without getting too complicated. IRCommand2 is Windows™ theme-aware so the look of its dialogs will match your Windows theme.
With a full registration there is virtually no limit to the number of devices that can be controlled and the complexity of the control setup. No matter how complex your setup the user controls remain just a collection of remotes (called "device panels") presented in a form that's familiar to everyone. Of course, you don't have to create device panels that contain every button on your physical remotes. Many of those buttons are not used very often and eliminating them simplifies things for your typical users.
You also don't have to mimic your physical remotes at all. Very simple panels can be created to use for specific activities, as with the "Master" tab shown above.
The Necessary Hardware
Controlling your world will require a bit of peripheral hardware in addition to your PC and our software. Fortunately, there's a choice of supported IR and X10 hardware and it's all relatively inexpensive.
Click on the Features menu item at the top of the page for more information...


Due to their large and remote locations, solar farms are a challenge to keep secure from vandalism, theft and even liability issues. Unfortunately, basic security camera systems can only record an incident — they can't stop it from happening. High tech perimeter security systems are a step up, but they're expensive and don't offer live monitoring of what is actually happening on your property. Only technology-assisted live video surveillance can monitor 100% of your property 100% of the time. That's where SentraCam comes in. Take a look at our features and services:
SentraCam combines electronic detection with live remote monitoring, allowing us to detect suspicious behavior with superhuman effectiveness. Our security specialist will analyze your solar energy fields from every angle to determine that best installation setup that avoids blind spots and overcomes low light conditions.
Our trained security staff monitor your area in real-time, identifying and stopping crimes and other incidents before they happen. If the incident escalates, SentraCam staff can contact the authorities or your on-site security staff.
Unlike first generation video monitoring services that only use manual tours, SentraCam takes advantage of next-generation movement analytics. Our system can detect movement that's typically undetectable to the human eye. Plus, our system uses algorithms to learn what is and isn't a potential threat.
If an intruder crosses a boundary or suspicious behavior occurs in the vicinity, the monitoring team can engage via amplified loudspeakers, if appropriate for the situation. If the issue escalates, SentraCam coordinates with the authorities or your on-site security staff.
We want to make sure you are in-the-know anytime an incident occurs at your property. If the monitoring team notices any suspicious activity, they provide a full report containing all the information you might need, including access to video evidence.
You might think that a high tech solution like this would put a big dent in your security budget. However, you'll be happy to discover that SentraCam's solutions can reduce or eleminate the cost of hiring on-premise security guards. SentraCam can offer state-of-the-art protection for less money.
The SentraCam Command Center takes a proactive approach to monitoring your solar farm. By combining smart detection software with our team of trained security experts, we can monitor your entire property in real-time. This approach allows us to stop crimes and other safety and security events before they happen rather than merely reviewing security footage of how the crimes were committed.
SentraCam provides professional, high definition cameras and loudspeakers for outdoor applications. Our outdoor security camera systems are self-standing or can attach to your building, if needed. We even have solar-powered portable security stations that can be positioned anywhere on your property without the need for an electrical source. Our security specialist will analyze your area to determine that best installation setup.


Types of screens
There have been several techniques for transparent HMD. Most of these techniques can be summarized in two main families: based on “curved mirror” (or curved combiner) and based on “wave guide” or “light guide”. The mirror technique was used in EyeTaps, by Meta in its Meta 1, by Vuzix in its Star 1200 product, by Olympus and by Laster Technologies.
Several waveguide techniques have been around for some time. These techniques include diffraction optics, holographic optics, polarized optics, reflective optics and projection:
Diffractive waveguide: inclined diffraction lattice elements (10E-9 nanometers). Nokia’s technique is now licensed to Vuzix.
Holographic waveguide: 3 interleaved holographic optical elements (HOE) (RGB). Used by Sony and Konica Minolta.
Reflective waveguide: thick light guide with a single semi-reflective mirror. Epson uses this technique in its Moverio product.
Virtual Retina Display (VRD) – Also known as Retinal Scanning Display (RSD) or Retinal Projector (RP), it is a display technology that draws a raster screen (like a TV) directly on the retina of the eye, developed by MicroVision. INC ..
CastAR by Technical Illusions uses a different technique with clear glass. The glasses have a projector and the image is returned to the eye through a reflective surface.
Smart sunglasses that can change their light-filtering properties at runtime generally use liquid crystal technology. As lighting conditions change, such as when the user moves from inside to outside, the brightness ratio also changes and can cause unwanted vision problems. An interesting solution to overcome this problem is to incorporate darkening filters into smart sunglasses that control the amount of ambient light that reaches the eye. An innovative liquid crystal component for use in smart sunglass lenses is LC-Tec’s PolarView .  PolarView offers analog dimming control and the dimming level is adjusted by an applied drive voltage.
Another type of smart sunglasses uses the adaptive polarization filter (ADF). ADF type smart sunglasses can change their polarization filtering characteristics at run time. For example, ADF-type smart sunglasses can switch between horizontal polarization filter and vertical polarization filter at the touch of a button.
The lenses in smart sunglasses can be made from multiple adaptive cells, so different parts of the lens can exhibit different optical properties. For example, the top of the lens can be electronically configured to have different polarization filter characteristics and a different opacity than the bottom of the lens.
Human Computer Interface (HCI) control input
Head-mounted displays are not designed to be workstations, and traditional input devices such as keyboard and mouse are not compatible with the concept of smart glasses. Instead, human-computer interface (HCI) control input should be methods that lend themselves to mobility and / or hands-free use are good candidates, for example:
Touchpad or buttons
Compatible devices (eg Smartphone or control unit) for remote control
Gesture recognition


Next generation of Virtual Reality
Take your website
to the next level
Any website can be a full web-based VR portal now
Our VR technology allows publishers to turn their sites into a full virtual reality technology portal.
In an easy way, the portal’s content can be viewed on any mobile device connected to VR glasses. This technology supports 2D and 3D videos.
control what you see from inside the VR glasses
supports both 2D & 3D videos enhancing depth illusion
Automatic switch to VR
check when a mobile device is identified
With easy access from any mobile device and with our portal up & running, website owners can offer content on their website. All in the most innovative way: using virtual reality technology.
How it Works


Isaac received his PhD degree in Materials Science from UC San Diego in 2016 and has been working in the semiconductor industry since then. While working on scientific and engineering projects to understand the true value behind physical phenomena and electrical signals, Isaac started to see the value and beauty of the real estate industry.
Starting as a homeowner and then a real estate investor, Isaac has accumulated a huge amount of knowledge and practical experience on buying and managing real estate properties. Isaac is ready to use all his skills to help future home buyers and investors to purchase the perfect properties for them.
Isaac is a good listener, effective communicator and he is fluent in both Mandarin and English.


"NO GAIN" Tube Buffer, Preamplifier. (With Tortuga Audio ePotV3 Mini LDR volume control)
Looking to add a bit of tube flavor to your Solid State setup?
This might be it!
The tube buffer is of the cathode follower type with a low output impedance. This makes it easy for the buffer to drive long interconnects if required or to drive low impedance loads. The Tortuga Audio ePotV3 Mini volume control has a 20K ohm input impedance and does not present a difficult load on the source (eg. CD player).
Volume is controlled via an Apple remote. In addition to volume up/down, the remote allows left/right balance and mute.
The Tortuga Audio ePotV3 Mini is a no contact attenuator utilizing Light Dependen Resistors (LDR) to attenuate the signal. A discrete module can be purchased separately and is easy to exchange if so desired.
The unit ships with 3 inputs and 1 output
Tubes: 2X EH 6SN7
Mains Voltage: 240V


Olevia 42 in lcd full hd 1080p television: руководство по ремонту двигателя ягуар s type
Get The Biggest Bang For Your Buck. Deals On Hd 1080p. HDTV Universe is your source for the latest information, reviews and tips for all TV's - LCD TV, LED TV and Plasma. Model: Vizio VW46L LCD HDTV versus Olevia 242T FHD 42" Olevia LCD Both LCDs are 1080p and both entered the market in the U.S. and Canada in early 2008. experienced with the 480i signal largely disappeared when viewing HD signals The viewer really needs to be straight in front of this HDTV to see its full.
Repair Kit, Olevia 242FHD-T11, LCD TV, Capacitors, Not the Entire Board 48" LED Roku 1080p 120Hz TV I haven't hooked up my HD yet, but the satellite picture is way better than I thought it would be. spend alot of money on a tv, i for sure did my homework on it. and the Olevia 42" 242t was on sale at Office Depot. The following list is the 3 digit codes that will work with ANY universal remote. The codes are the universal defaults for that particular Oct 8, 2008 Olevia/Syntax 242T FHD 42-Inch LCD 1080p HDTV Performance Believe it or not, this fully featured, 42" 1080p HDTV can be had for just 9.99. its Olevia brand of widescreen HDTV-ready and HD built-in LCD TVs. Olevia 232-T12 32" 720p HD LCD Television. .00 . Removed from a working LCD TV with a cracked screen, fully tested and working properly. This Olevia 42" is perfect for my bedroom and would serve well as a "main" tv for a 720p and integrated 1080i, but when I booted up my PS3, the display said 1080p! If your thinking about getting a new HDTV for gaming, blu ray, HD tv, stop. HDTV Universe is your source for the latest information, reviews and tips for all TV s - LCD TV, LED TV and Plasma. Device Compatibility. Simple Control supports thousands of devices. Check the IP, IR and Serial tabs below to find devices you wish to control. Syntax Olevia LT37HVE 37 inch Widescreen HD-Ready LCD Television ( Refurbished) This item is not returnable, but it does come with a full-service warranty. Dec 31, 2006 The 1080p Olevia 747i (,999, 47" diagonal) is the top of the company's wide range of LCD displays (there's also a smaller, 42" 7 Series model, the 742i). to 6500K, with measurements made across the full brightness range, not just at a single point. You can display two HD stations simultaneously. Buy OLEVIA 42" HD LCD TV 342i with fast shipping and top-rated customer of 1366x768 (16:9), the widescreen Olevia 342i fully supports up to HDTV 720p.
Find Olevia LCD TV specifications and LCD TV Reviews at LCD TV Buying Guide. Olevia LCD TVs provide calibrated 6500K color and a full range of brightness, contrast, color, tint 42" State-of-the-Art LCD 1080p HDTV; Ease of Use-User Friendly OSD wheel, Store/Home modes HD Built-In/HD Ready, HD Built-In.
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Published: November 6, 2023, 06:05 PM
In Bangladesh, vehicle security issues have become a growing concern, necessitating the use of advanced GPS vehicle trackers to safeguard both individual and fleet vehicles. Recognized and approved by the Bangladesh Telecommunication Regulatory Commission (BTRC), these GPS trackers offer effective solutions to address these security challenges. They adhere to local telecommunications standards, ensuring reliability, accuracy, and compatibility with local cellular networks. Moreover, these trackers prioritize security and data privacy, making them a trusted choice for mitigating vehicle security risks.
Why Use a BTRC-approved GPS Vehicle Tracker
Using a BTRC-approved GPS vehicle tracker in Bangladesh is the best choice for several reasons. BTRC-approved trackers adhere to local telecommunications standards, ensuring regulatory compliance. They are known for their reliability and accuracy, as well as their compatibility with local cellular networks.
BTRC-approved devices prioritize security and privacy, while also providing better customer support and warranties. Some insurance providers may even require their use, and they offer uninterrupted network access and easier integration with other systems. These trackers undergo quality assurance testing, guaranteeing a durable and reliable product.
The features and applications of these devices demonstrate a commitment to regulatory standards, and data privacy, while maintaining credibility and trust.
20 BTRC Registered GPS Trackers in Bangladesh in 2023
Bondstein Track My Vehicle
Bondstein`s Track My Vehicle GPS tracker offers comprehensive features for optimized vehicle tracking and management. Real-time tracking, a user-friendly web dashboard, and a remote engine disarm feature enhance security. Users can access over 24 analytical reports for mileage, location, and alerts, aiding fleet management and logistics cost savings. It seamlessly integrates with ERP systems, tracks expenses, and provides predictive maintenance alerts. With 24/7 customer support and nationwide technicians, it suits both individuals and businesses.
Finder GPS Tracker
Monico Technologies Ltd`s Finder GPS Tracker is a leading GPS service provider in Bangladesh. Enlisted by the Survey of Bangladesh for map development, Finder offers reliable, licensed services. It provides standard features like real-time tracking, geofencing, and ignition and speed alerts.
Unique features include the `SOS Button` for emergencies and `PUSH-PULL SERVICE` for offline tracking. Registration offers five packages with prices from 4,500 BDT to 12,000 BDT and monthly charges from 300 BDT to 500 BDT.
Infolink GPS Tracker
Infolink GPS Tracker offers versatile tracking solutions, including the Smart GPS Tracker for leased vehicles and large fleets, featuring live tracking and engine status monitoring. The Lite GPS Tracker suits various vehicles with features like remote fuel cutoff and geo-fencing. The Standard GPS Tracker offers high-end features like door status detection and two-way communication for fleet management. The Personal GPS Tracker is solar-powered, suitable for cargo, ships, and employee-owned vehicles. The discreet Plug and Play GPS Tracker integrates into a USB charger, offering real-time GPS location and audio monitoring.
Prices range from BDT 4,000 to BDT 15,000 (excluding VAT) for the device, with monthly charges from BDT 250 to BDT 2,000 (excluding VAT), ensuring affordability and adaptability to users’ specific tracking needs.
Sky Tracker, a GPS tracker in partnership with Concox, a renowned GPS device manufacturer, offers features suitable for personal and business use. It provides real-time tracking, allowing users to monitor vehicle location, speed, and route through a user-friendly mobile interface.
Remote engine control adds security by enabling users to turn off the engine remotely. Trip reports, voice monitoring, over-speed alerts, power cut alerts, geofencing, and an emergency button enhance monitoring and security.
Priced at TK 350 for a monthly package, it includes 24/7 customer support and a 1-year warranty, making it a reliable and cost-effective choice for GPS tracking needs.
Nexdecade Technology (Pvt) Ltd. offers a range of GPS tracking solutions for various vehicles and vessels. The BDN800 model comes with advanced features like real-time tracking, emergency engine blocking, history playback, and a generous 5-year replacement warranty. The BDN600 option provides real-time tracking, emergency engine blocking, an SOS alarm, and a 3-year replacement warranty for reliability.
BDN200 CAR is designed for four-wheel vehicles, offering real-time tracking, emergency engine blocking, geo-fence alerts, and a 1-year replacement warranty. BDN200 is intended for motorbikes and CNG vehicles, with essential tracking features and a 1-year replacement warranty.
BDCOM SmartTracker, introduced by BDCOM Online Ltd., is Bangladesh`s first automatic vehicle location system.
It offers fleet management, driver behavior analysis, alerts for unauthorized vehicle use, speed limit notifications, fuel consumption monitoring, safety features, anti-theft measures, real-time vehicle tracking, route maps, daily activity logs, SOS alarms, vibration detection, and remote engine immobilization.
Representational Image (Freepik)
Grameenphone Smart Tracker
Grameenphone Smart Tracker is a GPS solution suitable for both individual vehicles and fleets. It provides vehicle tracking, driver behavior monitoring, and engine diagnostics using satellite GPS and GSM communication. With BTRC approval, it offers nationwide coverage and 24/7 support, boasting 99.9 percent uptime. Notable features include geo-fencing, remote engine diagnosis, and audio listening. Pricing details can be obtained by contacting Grameenphone directly.
The company offers two types of GPS trackers: a wireless system called eVTS for BDT 3,599 with a monthly fee of BDT 299, and a wired system for BDT 3,999 with a monthly subscription fee of BDT 399.
Prohori GPS Tracker
Prohori GPS Tracker, created by Onnorokom Electronics and available from Prohori in Bangladesh, is a sturdy vehicle tracking system. This locally developed GPS tracker offers live tracking, engine locking/unlocking, geo-fencing, speed violation alerts, and travel history. Prohori stands out with its `Custom Package` option, allowing clients to tailor their GPS tracking solution to their specific needs, ensuring they only pay for the features they require.
Prohori provides four pre-designed packages with prices ranging from 4,999 BDT to 11,999 BDT, making it accessible to a wide range of users.
Easytrax GPS Tracking Service
Easytrax GPS Tracking Service is known for its impressive features. It includes real-time fuel monitoring, accurate daily mileage tracking, and historical route replay. Users can set geofence alerts, schedule essential maintenance, and monitor multiple vehicles on one platform.
Easytrax offers six map views, remote engine control, and various alert options. Advanced features like tamper alerts, fleet vehicle tracking, and real-time fuel management enhance asset security. Driver monitoring tools and Google Live Traffic updates are also available.
Pricing options start at just 2,999 BDT, ensuring accessibility for a wide range of customers.
Dupno, a G-Tech Group subsidiary, specializes in GPS tracking devices for cars, motorbikes, and individuals, prioritizing customer satisfaction. They offer standard GPS tracking features like live tracking, engine monitoring, speeding alerts, geo-fencing, route history, real-time notifications, and remote engine control.
Dupno stands out with its `Smart Video Tracking` system, allowing clients to view live video feeds of their vehicles, along with 24-hour video storage and two-way communication for added security.
Prices range from 5,500 BDT for basic car tracking to 25,000 BDT for `Smart Video Tracking` packages, but there may be additional monthly service charges.
Tracking and Survey Solutions Light Vehicle Tracker
The TSS101 Light Vehicle Tracker from Tracking and Survey Solutions is an affordable GPS tracking solution designed for motorbikes and light vehicles. Priced at BDT 5000 initially and with a monthly charge of BDT 400, it offers precise vehicle tracking using GPS and LBS positioning for security and operational efficiency.
The device has a wide voltage range of 9-90V, ACC detection for ignition monitoring, and remote fuel and power cut-off features. It includes built-in GPS and GSM antennas for accurate tracking within 10 meters. Its compact size (73.8×25.9×12.2mm) and lightweight design (26.5g) make it suitable for various vehicles.
FollowR by Dingi
FollowR by Dingi`s GPS Tracking Service offers a comprehensive vehicle tracking solution with features tailored to individual needs. It allows users to track their vehicle`s location in real time and provides smart geofencing for security alerts when the vehicle enters or exits specific zones. The system includes facial recognition alarms for unauthorized access, real-time incident alerts, driver behavior reports, and the ability to track multiple vehicles from a single account.
Competitive pricing options, starting at 3,000 BDT, make it accessible to a wide range of users.
Go Max Tracker
Go Max Tracker is an indigenous IOT-based vehicle tracking service from Bangladesh, emphasizing security and protection. It offers monitoring and protection for a wide range of sectors, including light vehicles, corporate transport, heavy equipment, buses, bikes, ships, personal tracking, and asset tracking. Features include real-time tracking, multi-user support, various report types, notifications, dedicated support apps, and a reward point system.
It also provides engine status monitoring, GPS tracking software, multiple tracking platforms, a user-friendly VTS monitoring app, history playback, traffic updates, vehicle service management, geo-fence monitoring, and compatibility with Android and iOS apps.
Representational Image (Freepik)
Falcons GPS Tracking Service
Falcons GPS Tracking Service is a trusted choice for vehicle tracking in Bangladesh. It`s a vehicle tracking service operator licensed by BTRC. Falcons provides a comprehensive solution for vehicle security and monitoring with advanced tracking technology. They offer cost-effective packages suitable for various vehicle types, from motorbikes to heavy vehicles.
Carcopolo is an intelligent GPS vehicle tracking system developed by Thane Systems. It provides real-time vehicle location updates accessible via mobile and web applications 24/7 for precise tracking. Geofencing allows users to create boundaries and limit vehicle movement within defined areas. The system updates vehicle data every 30 seconds, ensuring accuracy. In case of speed violations, geo-fence breaches, or power cuts, emergency alerts are sent.
Carcopolo offers pricing options in four categories, with the Portable Tracker at OTC 6000 BDT for purchase and MRC 500 BDT for monthly usage, featuring real-time positioning and a substantial 10,000mAh battery capacity. The Wired GPS Tracker, available at OTC 4500 BDT for purchase and MRC 500 BDT for monthly usage, offers a reliable and cost-effective solution for tracking vehicles and assets, enhancing car security with a cloud-based app.
Radiant GPS Tracking Service
Radiant GPS Tracking Service brings 14 years of expertise in GPS tracking. Their commitment to robust features enables clients to monitor vehicles in real-time, providing details on speed, fuel consumption, and travel history. Notifications cover geo-zone entries, speeding incidents, and theft, including SOS alarms and remote engine shutdown. It is compatible with Android, iOS, and Windows devices. Radiant GPS offers detailed travel history, downloadable reports, and advanced control features.
Packages start at BDT 500 with payment options in both USD and BDT, serving diverse GPS tracking needs.
GPS Tracker for Bike
The GPS Tracker for Bike (PREMIUM) is a compact and lightweight GPS tracking solution available in GT08, WETRACK2, and GV20 models, providing precise real-time tracking. It offers 24/7 call center support, iOS and Android apps, live traffic updates, notifications, history playback, remote engine control, various alerts, reports, and a remarkable 5-year warranty.
With low monthly fees and discounts, this tracker is priced at BDT 3,800, making it a comprehensive and cost-effective option for efficient vehicle tracking.
Akash Technology offers embedded software services with extensive experience in various industries. They also offer an Android app for vehicle tracking, allowing users to monitor their vehicles remotely. Vehicle tracking systems are effective in recovering stolen vehicles, providing security and monitoring features. These systems integrate with alarms and can help police locate stolen vehicles. Additionally, they can reduce insurance costs by lowering the risk of vehicle loss.
Truck Lagbe Tracker
Truck Lagbe`s TL Tracker GPS Service revolutionizes truck owners` businesses with three key features. Live tracking allows real-time vehicle monitoring for safety. The 30 days history feature offers a month-long historical view for issue identification and playback of routes and times. Daily mileage tracking helps monitor daily distances and estimate monthly fuel consumption. Additional features, including Live Traffic, Overspeed Alert, Geo-Fence Alert, and Live Speed Update, further enhance operations.
TL Tracker offers two packages with setup costs of 2,499 BDT and 3,499 BDT, along with monthly and yearly charges.
M2M Vehicle Tracking Services
M2M Vehicle Tracking Services offers an innovative vehicle tracking system utilizing GPS technology for precise real-time location data. It provides fleet management, driver behavior analysis, unauthorized vehicle use alerts, speed limit notifications, fuel consumption monitoring, safety features, anti-theft measures, real-time vehicle tracking, route maps, daily activity logs, SOS alarms, vibration detection, and remote engine immobilization.
There are different packages with one-time charges ranging from 4,200 to 6,500 TK, along with a monthly service charge of 500 TK.
These are the BTRC-approved GPS vehicle trackers in Bangladesh for 2023, offering a range of features such as real-time tracking, fuel monitoring, and geofencing. These services are designed for both individual usage and business purposes, with varying price points. These trackers play a vital role in enhancing vehicle security, operational efficiency, and fleet management, addressing a wide spectrum of tracking needs in a cost-effective manner.


The Anhalt University of Applied Sciences based in Köthen, Germany recently purchased an Oxford Instruments PlasmaPro® System100 ICP 65 tool to undertake PV research in the field of crystalline silicon solar cells using Black Si processes. Oxford Instruments Plasma Technology has developed a number of processes for the production of photovoltaics using our flexible tools and with key technologies. The PlasmaPro System100 ICP 65 is ideal for this type of research, with key features including an extended process temperature range from cryo to up to 400ºC, and the possibility to upgrade ICP-CVD technology at a later point of time.
Comments Prof. Dr. Bernhard from Anhalt University, “A maskless silicon dry etch process can be used to texturise the surface of a silicon substrate to create Black-Si. The reduced reflectivity provides greater potential for light trapping in the cells. Using a dry etch process to create the surface texture is independent of the crystal structure of the silicon substrate and can be applied to one side of the wafer. We chose the PlasmaPro System as it offers all the capabilities we require for our research.”
“The proven versatility of the Oxford Instruments PlasmaPro System100 tool made it the ‘system of choice’ for Anhalt University’s Black Si PV research using tuned etch processes”, says Mark Vosloo, Sales, Marketing and CS Director, Oxford Instruments Plasma Technology. “Our cutting-edge equipment provides a sound basis for applied academic research, and we pride ourselves on being involved in providing process solutions for the micro- and nanometre engineering of materials for many applications including PV.”
Source: Oxford Instruments


CorDEX Instruments is a leading UK manufacturer of hand-held intrinsically safe and non destructive testing devices that are used around the world. Our team has a combined 60 years’ experience in the infrared and thermal imaging market and we have applied this to enhance our technology, making it more efficient and intelligent, whilst increasing functionality.
CorDEX Instruments has the expertise and technology to support your Infrared (IR) windows and thermal imaging needs. Our bespoke handheld products are designed to deliver the most robust infrared inspections and are tested to the highest standards.
The risk of arc flash hazards is only too real across many industries, but CorDEX has built up an enviable reputation in developing products custom built for hazardous environments. This means infrared inspections can be carried out with and in keeping with the NFPA70E requirements for for bulky protective clothing.
Our IW Series of Intelligent IR Windows are fully certified and tested to UL50, UL50V and UL1558 and take inspection and predictive maintenance to a new level of safety, efficiency and accuracy at a highly competitive price.
CorDEX is dedicated to investing in research and development and has built a strong track record with our custom designed products making it safer and faster to work in hazardous environments.
Our IR windows and thermal imaging products can be accessed via an established network of distributors across the USA, South America, Australasia, Europe and the Middle East.


LYSIS (the Greek word for “solution”) is an interactive software of a set of modular programs (each performing a specific task) that provide an integrated computing environment for data analysis and system modeling. Unique capabilities of LYSIS include input-output nonlinear system modeling and the novel methodology of “Principal Dynamic Modes” (PDMs). This package has evolved over time to incorporate emerging methodologies developed by the Biomedical Simulations Resource (BMSR) at USC, under the supervision of Prof. V.Z. Marmarelis.
LYSIS 7.2 – Matlab version is the current version and is focused on the unique capabilities of input-output nonlinear system modeling using the Volterra-Wiener approach and its efficient variants that have been developed and tested by the BMSR over the years, utilizing Laguerre expansions of the kernels and the novel concept/tool of Principal Dynamic Modes (PDMs). The source code of modular Matlab programs are made available that can be incorporated in the Matlab computational environment of the user.
Early versions are also available for UNIX environments, distributed as source code that can be compiled for each UNIX implementation (e.g., Solaris, HPUX, Linux) Email us for the Source Code!!
The development of LYSIS is supported by the Biomedical Simulations Resource (BMSR) in the Department of Biomedical Engineering at the University of Southern California, under support from the National Institute for Biomedical Imaging and Bioengineering (P41-EB001978) and the National Center for Research Resources (P41-RR01861) of the National Institutes of Health. LYSIS is made available to the biomedical community at large free of charge in order to promote research in this area and enhance the computational capabilities of biomedical investigators nationwide. The BMSR holds the copyright of LYSIS and its use must be acknowledged by individual investigators in their research publications.
- Operating System
- Windows XP/Vista/7
- Sun/Unix: Solaris 2.x
Key relevant publications
Marmarelis, V.Z. Identification of nonlinear biological systems using Laguerre expansions of kernels. Annals of Biomedical Engineering 21:573-589, 1993.[PDF]
Marmarelis, V.Z. Modeling methodology for nonlinear physiological systems. Annals of Biomedical Engineering 25:239-251, 1997. [PDF]
Marmarelis, V.Z. & X. Zhao. Volterra models and three-layer perceptrons. IEEE Transactions on Neural Networks 8(6):1421-1433, 1997. [PDF]
Marmarelis, V.Z. Nonlinear Dynamic Modeling of Physiological Systems. IEEE Press & Wiley Interscience, New Jersey, 2004.
Marmarelis, V.Z. Nonlinear Dynamic Modeling of Physiological Systems, Wiley Interscience & IEEE Press, New Jersey, 2004.
Marmarelis V.Z., D.C. Shin, D. Song, R.E. Hampson, S.A. Deadwyler, and T.W. Berger. Nonlinear modeling of dynamic interactions within neuronal ensembles using Principal Dynamic Modes. Journal of Computational Neuroscience (in press). DOI 10.1007/s10827-012-0407-7
Marmarelis V.Z., D.C. Shin, M.E. Orme, and R. Zhang. Closed-loop dynamic modeling of cerebral hemodynamics. Annals of Biomedical Engineering (in press). DOI: 10.1007/s10439-012-0736-8
Unique Features of LYSIS
Specific features of LYSIS that cannot be found in commercially available packages include the efficient kernel estimation using Laguerre expansions and the use of Principal Dynamic Modes (PDMs). These enable input-output modeling of dynamic nonlinear systems with relatively short data-records (even in the presence of considerable noise).


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Whenever a light bulb needs to be replaced I’m wondering what color the bulb is going to be when I screw it in – yellow or blue tint? It’s a coin toss. It can be so frustrating I’ve almost decided to throw out all my lightbulbs and start over because I dislike the color!
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Many times I’ve installed a light and Benjamin will say, “It looks so clinical,” and times we say, “It’s so yellow.” As a photographer, I’m looking at the Kelvin temperature scale in my house.
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Such a warmer difference, right? I am dying for our laundry mudroom to be done because I cannot wait to put these light bulbs in there.
^^ Perhaps an angle you are seeing for the first time of my living room. Notice the dining room lights in my chandelier look way off in color temperature in comparison to the living room which matches so well.
The Tesla Technology™ uses electromagnetism, rather than a filament or diode to create light which means whiter whites and brighter colors. They had me sold at better skin, ha! Keep in mind lamp shades can slightly influence the way your light looks too – if they have a yellow base or are more white. It can throw colors off however if you use the same bulbs it should look closer in colors, unlike my living room which has a mix of typical LED lights and a traditional light bulb.
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As technology advances at an unprecedented rate, the need for efficient data analysis has become paramount for businesses across various industries, including IT Services & Computer Repair. Companies are constantly looking for ways to extract valuable insights from their data to improve decision-making processes, optimize operations, and enhance customer experiences. One vital element in this process is video annotation.
What is Video Annotation?
Video annotation refers to the process of labeling or tagging objects, actions, or events within a video. It involves adding metadata, such as bounding boxes, labels, and descriptions, to individual frames or segments of a video. This annotation process helps machines understand the visual content of the video, enabling advanced analytics and machine learning algorithms to extract meaningful information.
Keylabs.ai, a leading provider of IT services and computer repair solutions, specializes in offering high-quality video annotation services. Their team of experienced professionals understands the importance of accurate and detailed annotations to drive effective data analysis.
The Benefits of Video Annotation for Businesses
1. Improved Object Recognition
Video annotation plays a pivotal role in training computer vision models to recognize and classify objects within a video stream. By precisely labeling objects, such as vehicles, pedestrians, or specific products, businesses can develop intelligent systems that can automatically detect and track objects in real-time. This capability empowers businesses to automate various tasks, enhance surveillance systems, and enable efficient inventory management.
2. Precision in Action Recognition
Accurate action recognition within a video is crucial for a range of applications, from security monitoring to human-computer interaction. With video annotation, businesses can train their algorithms to recognize specific actions, gestures, or activities, allowing for automated video surveillance systems that can quickly detect suspicious behavior or understand user interactions in real-time.
3. Advanced Analytics and Insights
Video data contains a wealth of information that can provide businesses with valuable insights. By annotating videos with relevant metadata, companies can extract useful data points, patterns, and trends. This data can be utilized to drive business decisions, improve customer experience, and optimize various aspects of operations, leading to increased efficiency and profitability.
4. Enhancing Machine Learning Models
Training machine learning models requires large amounts of accurately annotated data. Video annotation is a crucial step in this process, enabling the development of robust and reliable models. By providing detailed annotations to the algorithm, businesses can enhance the accuracy and performance of their machine learning models, leading to more precise predictions and improved outcomes.
Keylabs.ai: Your Trusted Video Annotation Partner
When it comes to video annotation services, Keylabs.ai stands out as a trusted partner in the IT services and computer repair industry. With their unwavering commitment to quality and accuracy, Keylabs.ai delivers exceptional results that empower businesses with invaluable insights from their video data.
Keylabs.ai's team of experts utilizes advanced annotation techniques, ensuring every frame or segment of a video is thoroughly labeled with precision and attention to detail. Their expertise covers a wide range of video annotation tasks, including object detection, semantic segmentation, activity recognition, and more.
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BGP (the Border Gateway Protocol) is what constitutes the heart of the routing protocol of the Internet.
BGP maintains a large table of IP (Internet Protocol) networks (prefixes as they are called) which designate
network reachability among ASs (autonomous systems).
To be real accurate, BGP is actually described as a path vector protocol.
However, BGP doesn't use traditional IGP metrics, but instead makes split-second routing decisions based on
the actual path, various network policies and depending on a host of rule sets and other complex conditions.
Avantex Hosting runs a BGP network with all its peering partners across the U.S., Canada, South America, Europe, the Middle East
The Border Gateway Protocol was actually created to replace the older and now obsolete EGP (Exterior Gateway
Protocol) which now allows a fully decentralized routing basis in order to permit the removal of the NSF Net
Internet backbone network.
This now allows the Web to become a truly decentralized information system. Since 1994, version four of
the protocol (IPv4) has been in use on the Internet. All previous versions are now obsolete. The major
enhancement in version 4 was support of CIDR (Classless Inter-Domain Routing) and the use of various route
aggregation policies to help cut on the size of routing tables.
It must be noted however that most Web users don't use BGP directly in and by itself. But since most
ISPs (Internet Service Providers) must use BGP to establish routing between one another, especially if they
are multihomed, it's one of the most important protocols of the Internet today.
You can compare this with SS7 (Signalling System 7), which is the inter-provider core call setup protocol
on the PSTN (Public Switched Telephone Network). However, it's important to note that very large private IP
networks use BGP internally.
An example would be the joining of a number of large OSPF (Open Shortest Path First) networks where OSPF
by itself wouldn't adequately scale to size. Another reason to use BGP is multihoming a network for better
network redundancy either to multiple access points of a single ISP or to multiple ISPs.
Most hosting companies such as Avantex and various internet service providers must use BGP to establish proper routing
between one another, especially if they are multihomed like Avantex is. Even though most internet surfers do not use BGP directly,
the protocol is one of the most important of the Internet.
Compare this with Signaling System 7 (SS7), which is the inter-provider core call setup protocol on the PSTN, a very large private
IP network that utilizes BGP internally. An example would be the joining of a number of large OSPF (Open Shortest Path First) networks
where OSPF by itself would not scale to size.
Another reason to use the BGP protocol is multihoming a network for better redundancy, either to multiple access points of a single
ISP or to multiple ISPs.


Senior QA Automation Engineer
As a member of our Scrum Team, you will be responsible for following activities:
- Designing and developing automation tests
- Creating Test Cases/Suites
- Automation tests integration to CI/CD pipeline.
You are good match for our team if you have:
- Experience in automating test cases, creating test suites and run automated tests
- Ability to learn and adapt quickly
- Linux knowledge enough to work in Linux as primary environment
- Desire to work in scrum team
You are most welcomed team member, for extra powers you may have. In addition to above most handy would be: understanding version control systems (Git/Bit-Bucket), experience with Android, shell, adb, gradle, embedded software, JUnit/TestNG, Android automation (Google Espresso, Appium)
We are team of engineers automating building and testing process for TV Box product. Product being developed is an entertainment client-server solution that uses embedded Linux and AOSP system.
Each of us have small "workshop" with TV and custom hardware in addition to our PCs so we can engineer and play with our product.


The past two weeks we got to dive deeper into mobile usability testing and mobile gestures. After looking at several devices to use for mobile usability testing, I like Mr. Tappy product. The main reason I like this device apparatus is that it is lightweight, you can still hold our device as you naturally would, it comes with magnet or suction to hold your device in place; which can also be turned to landscape mode quickly, and that it comes with an HD camera. Having the users hold the device and not be stuck on a large bulky apparatus as others I saw on the market which makes you feel as though you are at the store using a display unit. Those testing devices do not allow the user to interact with it naturally and for us to clearly capture a participant’s gestures on the touchscreen accurately. Our main goal is to capture how a participant would interact with the device, website, or app as they would at home to identify their challenges and help us find opportunities to create a better experience.


|Announcements||Important dates||Committees||Organisations||Registration and submission|
It is our privilege to invite you to attend the 17th International Conference on Fluid Flow Technologies, entitled “Conference on Modelling Fluid Flow” (CMFF’18), the next event in the series of International Conferences on Fluid Machinery held in Budapest since 1959. The aim of the Conference is to respond to challenges in the rapidly developing fields of fluid mechanics: numerical simulation of flows and physical modelling of flow processes using advanced measurement methods. The Conference aims at defining the state of the art in CFD and advanced measuring methods, inspiring both research and practical applications by promoting interaction between scientists and practitioners. At CMFF’18, emphasis will be placed on recently emerging computational and measurement techniques, incorporating acoustic investigations, as well as to the supplementary characters of CFD and physical flow modelling in engineering applications.
The last event, CMFF’15, in 2015, incorporated about 130 selected presentations with authors from more than 30 countries. On the basis of the contributions of highest quality presented at the previous CMFF conferences, papers have been published in a fluids engineering handbook published by Springer, and in prestigious international journals such as the International Journal of Heat and Fluid Flow.
The success of the previous CMFF events encourages the conference organisers to foresee a fruitful CMFF’18.
We look forward to welcoming you to Budapest in 2018.
Professor D. Thévenin
International Scientific and
Programme Committee (ISPC)
Professor J. Vad
Local Organising Committee


RoboDK Simulation Software
RoboDK is a powerful and cost-effective simulator for industrial robots and robot programming. RoboDK’s simulation and offline programming tools allows you to program your UR robots outside the production environment, eliminating production downtime caused by shop floor programming.
RoboDK simulation software allows you to get the most out of your UR robot by offering a wide variety of over 20 applications.
No programming skills are required with the intuitive RoboDK graphical interface. Easily simulate and program your UR industrial robot offline from your 3D models and deploy URP and SCRIPT robot programs avoiding singularities, axis limits and collisions with just a few clicks.
More advanced users can program the robot using the RoboDK API. The RoboDK API allows programming the UR robot using your preferred programming language. The RoboDK API is available in Python, C#, Visual Basic, C++ and Matlab. Furthermore, it is very easy to automate repetitive tasks and integrate the 3D simulation environment with your projects.
- Intuitive graphical user interface: No programming skills are required. Program your robot with a few clicks. Easily setup your simulation using drag & drop.
- Robot machining: Optimization tools are provided to automatically convert CAM programs to robot programs (support for G-Code and APT files).
- Multiple robot simulation: Users can program over 500 robots, mechanisms and external axis using the same simulation environment.
- Wide variety of applications: Including machining, painting, pick and place, 3D printing and more.
- CAD to path features: CAD to path features including support for multiple CAD software (SolidWorks, Inventor, Fusion 360, Rhino, MecSoft,…)
- Surface & edge following: Allows offline programming for many applications such as welding, deburring, cutting and more.
- Cycle time calculation: Calculate and optimize cycle time.
- Robot calibration: Robot calibration tools available to improve robot accuracy.
- Cost-effective solution: Different software packages and pricing based on customers needs.


From a programmer’s perspective - Computer Networking is not really apart of our job description. As a programmer, your primary role is to write, test, and deploy code. Conduct code reviews, refactor codebases, code, code and code. What we regularly forget is the code we write is solely reliant on Computer Networking. Need to deploy an internal company application? The code is packaged up and sent over the Network. Building a web application? Your code is being served over a Network.
In this post, we will take a birds-eye view over the “bare-minimum” concepts of Computer Networking relevant to the Software community.
The internet is a large place and because of this fact, it needs a gate-keeper who lays down the law and tells us exactly how to use the Internet. This is where the Internet Engineering Task Force (IETF) comes to the rescue. They’re an international community who maintains the technical documentation for the Internet. IETF publish technical documentation in the form of Request for Comments (RFCs), which are submitted for community reviews. RFCs are extremely helpful when trying to understand Networking concepts. See for yourself, here is the RFC for the Transmission Control Protocol (TCP), one of the most commonly used Computer Networking protocols used on the internet.
TCP is just one protocol in the TCP/IP stack. In this stack, there is a whole bunch of protocols. Each protocol is used to communicate differently and achieve different results. What is the TCP/IP stack? It is a model that can be used to establish an end-to-end data communication.
Sending data? Each layer below plays a specific role in getting the data from
A to point
The TCP/IP stack helps to specify how data should be packetized, transmited, routed and received. Therefore, if a request is made to your server for a HTML web page (your website). This will cascade back up to the application layer using Hyper-text Transfer Protocol (HTTP), and your server will receive a
GET command. Your web page data is then sent back through your home/work network out through the internet and back to the person requesting to view your web page. Remember, the HTTP protocol only is used to issue a
GET command and it does not take care of the transmission of the data packets (the html page). This is up to the below layers to establish the connection from point
B, then actually get the data packets physically sent out across the internet.
RFC 1122 provides a detailed analysis of each layer of the TCP/IP stack.
So which layer is most useful to a programmer? The Application Layer.
Why? Well for starters, we work in that domain. The programming languages we use to create software, 99% of the time, have networking libraries that we can use to access the application layer protocols.
Want to create a web browser? You’re going to want HTTP methods (
Want to create an email client? SMTP and POP or IMAP will deliver the core functionality.
Hall of fame
- Hyper-text Transfer Protocol (HTTP)
- File Transfer Protocol (FTP)
- Simple Mail Transfer Protocol (SMTP)
- Post Office Protocol (POP)
- Internet Message Access Protocol (IMAP)
- Domain Name System (DNS)
These protocols have been, and still are, central to the way our applications communicate on the internet. Most programming language standard libraries publish these protocols to be used by the public. As programmers, we regularly build on top of other software systems, enhancing functionality, and presenting people with fresh, innovative products. No doubt - these protocols can be used to create new and exciting applications for people to use.
The icing on the cake is that the heavy lifting has been done for us. The standard libraries offer easy to use methods and well-written documentation (most of the time). For example, Python’s standard networking library found here. If we look at the HTTP protocol client library, it provides us with an interface to directly build HTTP into our apps. As shown in the code below by simply establishing a HTTP connection to Python’s official website.
Peer-to-peer… is exactly that. It is a network architecture that relies on peers within a network to freely communicate with each other. Peer-to-peer. This is a decentralised network and it does not rely on any one peer (computer) to service the rest of the network. I like to think about peer-to-peer as a social group, where anyone can speak to anyone and exchange information back-and-forth.
We have seen huge innovations of the peer-to-peer architecture, such as BitTorrent, which is a peer-to-peer network application used to exchange data. This was, and still is, widely used for downloading media and large amounts of unstructured data.
A blockchain is another prime example of peer-to-peer network architecture. A blockchain can be used as a distributed ledger, where by each peer communicates with each other to update each peer’s transaction history. The blockchain is the technology behind the bitcoin, a digital cryptocurrency used to purchase items on the internet.
The client-server architecture is an architecture established, whereby a server serves its clients. One server can usually serve many clients, utilising multiprocessing or multithreading solutions. There is only so much clients a server can handle before it needs to divert clients to other running servers. This process is called load balancing.
Take for example, a customer (client) being served by cashier (server) at a gas station…
The server is indeed the single point of failure. If the server goes down, then the clients do not get served. In our gas station sample, for example, if the cashier is not available, then no one can buy fuel. Still with me? See the below diagram showing one server serving multiple clients.
Socket programming one of the most useful Networking concepts for a programmer. Let’s first take a look at what actually is a socket. A socket is an open file descriptor used to communicate between a server and the client. The file descriptor is attached to a port number of a host (computer). For example, HTTP occupies port 80, now let’s establish a connection to that port. The client (our computer) would connect to the server to obtain a socket and the server will accept the connection, then return a new socket for the connection. Finally, the server continues to listen on port 80 for more incoming clients. This is how the server can serve multiple clients sending HTTP
We can also set up a server on a particular port number to listen for incoming requests. This is really handy if we want to establish a private connection with some clients. Since most packets will be routed through HTTP port 80, we can establish on a random server port 1234. This port is not reserved for common protocols. Here is a list of ports which are reserved.
When the server receives a connection on port 1234, they can then send data to the client/requester. System administrators regularly use socket programming to the monitor ports of their servers. This is to make sure
1. Users are able to access network services and
2. Nothing dodgy is going on, such as port hacking or interference. Here is a quick example of a short program written in Python. It scans the reserved ports of a computer and tells us if they’re either ‘opened’ or ‘closed’.
Together we have covered some fundamentals of the internet, more specifically RFCs and the IETF. We now know that there is more than meets the eye when it comes to data communication and the ability to send data to another computer in the world. This was through the TCP/IP stack, and being aware of the layers below the application layer which help in the process of physically sending the data. And understanding the significance of the application layer when it comes to being a programmer, such as finding out exactly how we can actually make use of these communication protocols. Also, we dived into some popular Networking architecture patterns such as P2P and Client-Server. These are used pretty much everywhere, and they won’t be going away anytime soon. Lastly, we scratched the surface of Network programming by looking into Socket programming and analysing a real-world example to scan port numbers.
It is incredibly interesting diving into the galaxy of Computer Networking! I hope you find this information useful on your programming journey.
Til’ next time.
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G90 Action Sports Camera Impact Protection, Revolutionized
After a year of research and feedback from extreme hard core athletes, we have created the world’s first case that truly turns any smartphone or iPod touch into a sports action camera. The G90 case integrates unique, multiple proprietary and patent pending technologies allowing smartphones and iPods to be flat mounted as extremely low profile, aerodynamic and sleek as sports action cameras, rivaling and exceeding the other well known sports cameras on the market.
The G90 Action Sports Camera case will be available beginning October 2013 for the iPhone 5 and iPod Touch 5th Generation.
Check out this video from popular tech blog Mashable.com:


3 edition of Applications and accuracy of the parallel diagonal dominant algorithm found in the catalog.
Applications and accuracy of the parallel diagonal dominant algorithm
by National Aeronautics and Space Administration, Langley Research Center, National Technical Information Service, distributor in Hampton, Va, [Springfield, Va
Written in English
|Series||ICASE report -- no. 93-6., NASA contractor report -- 191431., NASA contractor report -- NASA CR-191431.|
|Contributions||Langley Research Center.|
|The Physical Object|
[Published as Parallel Computing 21 ()] Abstract. A new algorithm is presented, designed to solve tridiagonal matrix problems efficiently with parallel computers (multiple instruction stream, multiple data stream (MIMD) machines with distributed memory). The algorithm is designed to be extendable to higher order banded diagonal systems. Sorting Applications. Sorting algorithms and priority queues are widely used in a broad variety of applications. Our purpose in this section is to briefly survey some of these applications. Sorting various types of data. Our implementations sort arrays of Comparable objects.
Parallel Algorithms Guy E. Blelloch and Bruce M. Maggs School of Computer Science Carnegie Mellon University Forbes Avenue Pittsburgh, PA [email protected], [email protected] Introduction The subject of this chapter is the design and analysis of parallel algorithms. Most of today’sFile Size: KB. Diethelm () performed parallel computation on the second order Adams–Bashforth–Moulton method of fractional derivatives, and discussed the accuracy of the parallel algorithm. Wang et al. () [ 31 ] constructed an improved conjugate gradient squared (CGS) method by decomposing a two-dimensional spatial fractional difference matrix Author: Xiaozhong Yang, Xu Dang.
A drawback of classical ILU algorithms is the sequential nature, which prohibits good performance on massively parallel hardware such as GPUs. ViennaCL provides an implementation of the recently proposed parallel ILU factorization algorithm proposed by Chow and Patel. While the authors propose an asynchronous algorithm, we use a synchronous. tridiagonal eigenvalue problem. We present an implementation of the MRRR algorithm on a data-parallel coprocessor using the CUDA pro-gramming environment. We obtain up to fold speedups over LA-PACK’s MRRR implementation and demonstrate that the algorithm can be mapped efﬁciently onto a data-parallel architecture. The accuracy ofFile Size: KB.
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PARALLEL COMPUTING ELSEVIER Parallel Computing 21 () Application and accuracy of the parallel diagonal dominant algorithm * Xian-HeSun * Department of Computer Science, Louisiana State University, Baton Rouge, LAUSA Received 21 May ; revised 1 April27 January Abstract The Parallel Diagonal Dominant (PDD) algorithm is an Cited by: Applications and Accuracy of the Parallel Diagonal Dominant Algorithm * Xian-He Sun ICASE Mail Stop C NASA Langley Research Center Hampton, VA ()[email protected] ABSTRACT The Parallel Diagonal Dominant (PDD) algorithm is a highly efficient, ideally scalable tridiago-hal Size: KB.
Get this from a library. Applications and accuracy of the parallel diagonal dominant algorithm. [Xian-He Sun; Langley Research Center.]. CiteSeerX — Application and Accuracy of the Parallel Diagonal Dominant Algorithm CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): The Parallel Diagonal Dominant (PDD) algorithm is an efficient tridiagonal solver.
In this paper, a detailed study of the PDD algorithm. PDD: Parallel Diagonal Dominant Algorithm When A is diagonal dominant, the most interesting mathematical properties is that the off diagonal coefficients of the matrix 1A V ~ − have an exponentially decay to 0. Therefore, the coefficients of (), (0 1) 0 () −1 v w i p i i m can be dropped within machine accuracy when p.
PDD: Parallel Diagonal Dominant Algorithm When A is diagonal dominant, an interesting mathematical property is that the off diagonal coefficients of the matrix AeðiÞV decay to 0 exponentially with the order of the matrix.
Therefore, the coefficients can be dropped within machine accuracy when p. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): A new method, namely the Parallel Two-Level Hybrid (PTH) method, is developed to solve tridiagonal systems on parallel computers.
PTH is designed based on Parallel Diagonal Dominant (PDD) algorithm. Like PDD, PTH is highly scalable. It provides accurate solutions when PDD may not be applicable and maintains a near. In this paper we will derive a new algorithm for solving symmetric pentadiagonal Toeplitz systems of linear equations based upon a technique used in [J.M.
McNally, L.E. Garey, R.E. Shaw, A split-correct parallel algorithm for solving tri-diagonal symmetric Toeplitz systems, Int.
Comput. Math. 75 () –] for tridiagonal Toeplitz Cited by: Parallel Programming and Parallel Algorithms INTRODUCTION Algorithms in which operations must be executed step by step are called serial or sequential algorithms.
Algorithms in which several operations may be executed simultaneously are referred to as parallel Size: KB. A Probing Method for Computing the Diagonal of the Matrix Inverse s with the rise of parallel processing, see, e.g., .
In the general case, it is known to converge when A high accuracy of the solution can only be obtained if a suﬃciently large number of vectors is taken, so the method can be expensive for the situation when a.
Parallel Algorithms and Parallel Architectures 13 Relating Parallel Algorithm and Parallel Architecture 14 Implementation of Algorithms: A Two-Sided Problem 14 Measuring Beneﬁ ts of Parallel Computing 15 Amdahl’s Law for Multiprocessor Systems 19 Gustafson–Barsis’s Law 21 Applications of Parallel Computing 22File Size: 8MB.
() Application and accuracy of the parallel diagonal dominant algorithm. Parallel Computing() A scalable eigenvalue solver for symmetric tridiagonal by: •band matrix, if a ij =0foronlyi − m l ≤ j ≤ i + m k,wherem l and m k are two natural numbers; the numberm l +m k +1 is called bandwidth of the matrix A • upper Hessenberg matrix, if a ij =0fori, j such that i>j+1; accordingly we deﬁne lower Hessenberg matrix • permutation matrix, if the columns of a matrix A are permutations of the columns of the identity matrix E (every row File Size: KB.
In this paper, we present a demonstrably fast, parallel, exact algorithm for the maximum clique problem. The presentation includes the design, implementation, analysis, and performance evaluation of the algorithm.
Further, enabled by its eﬃ-ciency, we use the clique ﬁnder to achieve three goals: (i) study maximum cliques. Parallel Algorithms and Applications Volume 6, NumberFrancisco Almeida and Felix García and Daniel Gonzalez and Casiano Rodríguez A Parallel Algorithm for the Integer Knapsack Problem for Pipeline Networks Reid Baldwin and Moon Jung Chung and Yunmo Chung Overlapping Window Algorithm for Computing GVT in Time Warp.
The parallel homotopy algorithm for finding few or all eigenvalues of a symmetric tridiagonal matrix is presented. The computations were executed on an NCUBE, a distributed memory multiprocessor.
T Cited by: sun xh. application and accuracy of the parallel diagonal dominant algorithm parallel comput (8) aug ; sommeijer bp, kok j.
implementation and performance of the time integration of a 3d numerical transport model int j numer meth fl (4) aug 30 Approximate Incomplete Cyclic Reduction for Systems Which Are Tridiagonal and Strictly Diagonally Dominant by Rows. Authors; Sun, X.H.: Application and accuracy of the parallel diagonal dominant algorithm.
Parallel Comput – () Cited by: 1. An efficient parallel algorithm with application to computational fluid dynamics Article in Computers & Mathematics with Applications 45(1) January with 9 Reads How we measure 'reads'. In McNally [Fast parallel algorithms for tri-diagonal symmetric Toeplitz systems, MCS Thesis, University of New Brunswick, Saint John, ], an m processor Split & Correct algorithm.
Where are the parallel algorithms? by ROBERT G. VOIGT Institute for Computer Applications in Science and Engineering Hampton, Virginia ABSTRACT Four paradigms that can be useful in developing parallel algorithms are computa tional complexity analysis, changing the order of computation, asynchronous computation, and divide and conquer.The Parallel Diagonal Dominant (PDD) algorithm is a highly efficient, ideally scalable tridiagonal solver.
Applications and Accuracy of the Parallel Diagonal Dominant Algorithm [Xian-He Sun] on *FREE* shipping on qualifying offers. Parallel Thomas Algorithm, High-order Formulas, Compact Schemes.Parallel algorithms Made Easy The complexity of today's applications coupled with the widespread use of parallel computing has made the design and analysis of parallel algorithms topics of growing interest.
This volume fills a need in the field for an introductory treatment of parallel algorithms-appropriate even at the undergraduate level, where no other textbooks on the subject s: 1.


BrainGate: Intracortical Neural Interface System for Persons With Tetraplegia
The BrainGate research team includes leading neurologists, neuroscientists, engineers, computer scientists, neurosurgeons, mathematicians, and other researchers who are focused on developing technologies to restore the communication, mobility, and independence of people with neurological disease, injury, or limb loss. This diverse and collaborative team creates and tests devices that are ushering in a new era of transformative neurotechnologies. Using a baby aspirin-sized array of electrodes implanted into the brain, early research from the BrainGate team has shown that the neural signals associated with the intent to move a limb can be “decoded” by a computer in real-time and used to operate external devices. This investigational system has allowed people with spinal cord injury, brainstem stroke, and ALS to control a computer cursor simply by thinking about the movement of their own paralyzed hand.
The purpose of this study is to obtain preliminary device safety information and demonstrate feasibility of efficacy of the ability of individuals with tetraplegia to control a computer cursor and other assistive devices with their thoughts through the use of the BrainGate system.
About This Study
Objective/Specific Aims: The goal of the BrainGate research and development project is to identify the core methods and features for a medical device that could allow people with paralysis to recover a multitude of abilities that normally rely on the hands. The specific aims of this study are to determine the safety of the BrainGate Neural Interface System, and to investigate the feasibility of BrainGate and establish the parameters for a larger clinical study in the future. The Cleveland clinical site of this study uses the BrainGate Neural Interface System to control muscle activation via FES for individuals with high tetraplegia, to demonstrate the feasibility of using the system to provide functional arm and hand movements.
Study Information: This study entails the placement of the BrainGate sensor(s) into the motor-related cortex of the participant, followed by a one-year evaluation period after the implantation of the device. At the Cleveland clinical site of this study, stimulating electrodes are implanted in the muscles of the shoulder, arm, and hand.
Detailed program information and criteria available at: https://clinicaltrials.gov/ct2/show/NCT00912041
|Principal Investigators:||A. Bolu Ajiboye, PhD; Robert Kirsch, PhD|
|Program Contact:||Bill Memberg|
|Contact Number:||(216) 957-3606|
In the News
The BrainGate program has received international news interest following the release of an article in The Lancet. A selection of articles is identified on the FES Center homepage.
The press release announcing the medical journal article can be found at http://engineering.case.edu/groups/BrainGate2/.
I AM HUMAN, directed, written, and produced by Taryn Southern, Elena Gaby. (USA) – World Premiere, Feature Documentary. Advancements in neurotechnology are revolutionizing what it means to be human. Following three subjects who undergo brain interface treatment, I AM HUMAN examines the ethical quandaries in brain exploration and simulated cognitive evolution.
After the Premiere Screening:a conversation with co-directors and producers Taryn Southern and Elena Gaby, neurotech entrepreneur Bryan Johnson, Toronto Western Hospital neurosurgeon Dr. Andres Lozano, Duke University Professor of Law and Philosophy Nita Farahany, and Case Western Reserve University biomedical engineering professor A. Bolu Ajiboye. Moderated by the CEO of Futurism Alex Klokus.
Tribeca Film Festival


Satellite Data Archives Reveal Unrecorded Himalayan Floods
Almost 30 years’ worth of Landsat observations created a comprehensive inventory of catastrophic floods caused by glacial lakes bursting through their rock dams.
Researchers have used satellite data spanning nearly 3 decades to assemble a census of glacial lake outburst floods across India, Nepal, Bhutan, and China. The team’s algorithm identified all but one of the region’s 11 previously reported floods as well as 10 previously undocumented events, observations that shed light on the prevalence of these unpredictable—and sometimes deadly—torrents.
“This work is very important,” said Christian Huggel, a geographer at the University of Zurich in Switzerland not involved in the research. “It fills gaps in knowledge and understanding about glacial lake outburst floods occurrence in a region as vast as the Himalayas.”
Georg Veh, a geoscientist at the University of Potsdam in Germany, and his team looked for floods that had occurred in the Hindu Kush Himalayan mountain ranges, which run from Afghanistan in the west to Myanmar in the east. This region is home to a large fraction of the world’s roughly 200,000 glaciers, but these majestic ribbons of ice at Earth’s “third pole” are shrinking as global temperatures climb. Melting glaciers create thousands of lakes ringed by unstable debris that can give way at any moment and inundate villages, farmland, and important infrastructure like hydropower stations.
Veh and his collaborators used data from NASA’s Landsat series of satellites, which were first launched into near-Earth orbit in the 1970s and which reobserve locations on the planet roughly every 16 days. The team analyzed nearly 2,500 Landsat images encompassing roughly 10,000 square kilometers of the Hindu Kush Himalayan region that were captured between 1988 and 2016.
Their use of a computer algorithm made to spot changes in patterns of pixels in the Landsat images that correspond to the shrinking of bodies of water led to their 91% success rate for already documented floods. The one known flood missed by the algorithm occurred in India in 2013.
Confident that their algorithm was effective at spotting real glacial lake outburst floods, Veh and his team then looked for signs of floods that hadn’t been previously reported. The 10 previously unknown floods that the scientists detected took place in China, Nepal, and Bhutan, the researchers reported in March in Remote Sensing of Environment.
By nearly doubling the known number of glacial lake outburst floods, the researchers assembled a more complete inventory of these events. Not surprisingly, the team noted, those new-to-science glacial lake outburst floods tended to be smaller than their already-known brethren.


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The cable national standard is installed under the lithium battery solar panel, and each component is factory-equipped with an extension cable, and no additional cable is required.


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ICH E6/E8 and a drive for patient-centricity ushered in a new era for conducting clinical trials. Real-time access to aggregated data is imperative when taking a Risk-based Quality Management (RBQM) approach and monitoring risks centrally. The technology advancements harnessed by ThoughtSphere provide a continuous 360º view of clinical and operational data and alert users when risk triggers are detected.
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ClinHUB’s Smart Map engine leverages Natural Language Processing (NLP) and AI/ML algorithms to automate the mapping process with little to no manual intervention required, drastically reducing study implementation time from weeks to days.
ThoughtSphere’s integrated Modeling and Analysis Programming (MAP) solution provides an integrated statistical computing interface for data scientists and biostatisticians to seamlessly develop data models using SAS, R, and Python, with no data transfers or exports required. Apply MAP’s out-of-the-box AI/ML quality checks to uncover atypical patterns, data signals, and outliers or create new prediction and classification models to find patterns and irregularities in raw or structured data. Leveraging SDTM compliant data generated in ClinHUB, programmers can also use MAP to create ADaM datasets for data interpretation and study deliverables.
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Our robust RBQM solution facilitates the complete risk lifecycle from risk identification through issue resolution with automated triggers and configurable user workflows to provide end-to-end traceability. Starting with the risk assessment, users can upload an external Risk Assessment (e.g., RACT) or create it from scratch in our platform by leveraging our risk library and Smart Risks AI feature. Apply our out-of-the-box KRIs, KPIs, and QTLs to monitor risks for the study or create your own custom visualizations and indicators. Streamline and automate risk & safety reviews through data-driven or cadence-based triggers and customizable user workflows. Oversee the status of risk reviews and provide real-time operational oversight metrics with strategic oversight dashboards.
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Vegetables Grown With LED Grow Lights Taste Just As Good!
Writer：Jane Time：2018-07-10 Browse：150
In order to meet consumer demand for locally grown fresh tomatoes, greenhouse farms often rely on extra lighting to grow tomatoes out of season.
Farmers, however, are beginning to see the benefits of LED grow light as an alternative to high pressure sodium (HPS) lighting in greenhouses because of its energy efficiency. A recent study provides some insight into the feasibility of using LED lighting for greenhouse tomatoes.
Michael Dzakovich, Celina Gomez and Cary Mitchell, from the Department of Agriculture and Landscape Architecture at Purdue University in the US, published their findings in HortScience. They point to the emergence of LED lighting as an alternative to high pressure sodium lamps. "There has been considerable curiosity about the effects of phytochemicals and olfactory levels on high-value greenhouse crops that use LED lights as light sources," they note. However, there has been very little research to date on how fruit plants exposed to LED light for long periods of time grow into ripe tomatoes."
Greenhouse tomatoes receive natural sunlight supplemented by LED grow lights
The researchers conducted three separate studies to investigate the effects of the amount and quality of supplementary lighting on greenhouse tomatoes. The plants were respectively the control group with full natural sunlight irradiation, natural sunlight irradiation with HPS lamp auxiliary illumination, and natural sunlight irradiation with LED grow light . Scientists collected hue, sugar acidity (BRIX), titratable acidity (titratable acidity), electrical conductivity and pH pH to analyze how plants respond to lighting. "Contrary to our hypothesis, fruit quality was not affected at all by LED-assisted light sources," the researchers said.
The study also involved inviting teams of tasters to rank the color, acidity and sweetness of the tomatoes, using measuring instruments. Tasters must also evaluate the tomatoes for color, aroma, tactility, sweetness, acidity, aftertaste and overall feel. "After incorporating the biochemistry and actual tasting data, we can determine whether the data endorsed by the physical chemistry also reflects consumers' perceptions of tomato quality."
The tastings meant that physical differences in data were not discernible to them by tastings; In fact, the tasters were unable to tell the difference between tomatoes that received different auxiliary lighting and tomatoes that received no auxiliary lighting at all.
The study showed that the quality of the greenhouse tomatoes was not affected by the presence or lack of auxiliary lighting, and the physical and chemical measurements revealed only small differences between the different control groups, and the tasters confirmed that these differences were too small to be discernible.
The researchers say the findings have positive implications for farmers who want to introduce greenhouse LED lighting. "The intensity and wavelength of the LED-assisted light source did not have any negative effect on the quality of the greenhouse tomato results and showed that the LED-assisted light source is suitable as an alternative light source for HPS lamps with overheating problems."


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