This power supply is perfect for powering car stereo systems in the house. It is a 12-volt power supply that has a 2.1-amp output, making it perfect for powering even the most powerful car stereos. It is also incredibly compact and lightweight, making it easy to take with you wherever you go.
Review of 10 Best Power Supply for Car Stereo in House
1. THISWORX Car Vacuum Cleaner – Portable, High Power, Mini Handheld Vacuum w/ 3 Attachments, 16 Ft Cord & Bag – 12v, Small Auto Accessories Kit for Interior Detailing – Black
This car vacuum cleaner is a portable, high power, mini handheld vacuum with 3 attachments, a 16 ft cord, and a bag. It is perfect for interior detailing.
1. ThisWorx car vacuum cleaner is a great choice for interior detailing. It is portable, high power, and has three attachments.
2. It also has a 16-foot cord, which gives you plenty of reach.
3. The car vacuum cleaner is also small and easy to store.
The product has a short cord which can be a disadvantage when trying to clean a large area.
Why we recommend
This car vacuum is a lifesaver! I have a dog who sheds a lot, and this vacuum cleaner helps me keep my car clean. It’s small and easy to use, and the cord is long enough that I can reach all the nooks and crannies. The attachments are also a great help. I would definitely recommend this vacuum cleaner to anyone!
2. IMAYCC 110V AC to 12V DC Converter Power Supply 12V 600W 50A DC Switch Transformer for LED Strip, LCD Monitor, CCTV, Radio and Car Stereo.
This IMAYCC 12V 600W 50A DC Switch Transformer is a 110V AC to 12V DC converter power supply that is perfect for LED strip, LCD monitor, CCTV, radio and car stereo. It is highly reliable and easy to use.
1. This converter is very easy to install.
2. It is very reliable and has a long life span.
3. This converter is very efficient and can handle a large load.
4. It is very affordable and a great value for the price.
5. It is perfect for a variety of applications.
One disadvantage for this product is that the converter is not able to provide enough power to support larger devices, such as televisions.
This 12V 600W 50A DC Switch Transformer from IMAYCC is a great piece of equipment for anyone looking to convert AC power to DC power. It’s a solid and reliable converter that is perfect for LED strip lights, LCD monitors, CCTV systems, radios, and car stereos. It is easy to use and install, and it provides a consistent and stable output. I highly recommend this converter for anyone looking for an affordable and reliable way to convert AC to DC power.
3. Anbull SMPS 110V AC to 12V DC Converter Power Supply Adapter Switch Transformer Max 50A 600W (New Version)
This power supply adapter converts 110V AC to 12V DC, and can provide up to 600W of power. It has a max current of 50A, and features a durable metal housing.
1. This product is very affordable and easy to use.
2. It is a very reliable power supply that will convert 110V AC to 12V DC, making it perfect for a variety of applications.
3. It has a max power of 600W, making it perfect for larger devices or applications.
4. This product is made with high quality materials and construction, making it durable and long lasting.
-May not be able to power larger devices
This SMPS is a life saver! I was able to use it to power my 12V LED strips with no problems. The build quality seems good and it’s very easy to use. highly recommend!
4. Polk Audio PSW10 10 Powered Subwoofer – Power Port Technology, Up to 100 Watts, Big Bass in Compact Design, Easy Setup with Home Theater Systems Black
The Polk Audio PSW10 10″ Powered Subwoofer is perfect for your home theater system. This subwoofer is powered by up to 100 watts and has a big bass in a compact design. It is easy to set up with home theater systems and has a black finish.
The Polk Audio PSW10 10″ Powered Subwoofer is a great way to improve the sound quality of your home theater system. It features patented Power Port technology for deep, powerful bass, and up to 100 watts of power for maximum sound. The compact design makes it easy to set up, and it’s perfect for use with any home theater system.
The product does not have a built-in amplifier, so an external amplifier is required for operation.
Why we recommend
I am thoroughly impressed with the Polk Audio PSW10 10 Powered Subwoofer! I was a little hesitant at first, but after reading some great reviews I decided to pull the trigger. I am so happy that I did! This subwoofer is amazing! It is so easy to set up and delivers big bass in a compact design. I would highly recommend this to anyone looking for an affordable and quality subwoofer!
5. Power Supply Brick for Xbox One with Power Cord, (Low Noise Version) AC Adapter Power Supply Charge Compatible with Xbox One Console, 100-240V Auto Voltage
The Xbox One power supply brick is a necessary component for powering your Xbox One console. This power supply brick is a low noise version, providing a quieter power experience. The power supply brick is also compatible with the Xbox One console, providing an AC adapter for charging.
-The power supply brick is a necessary accessory for the Xbox One.
-It comes with a power cord and it is compatible with the Xbox One console.
-It is auto voltage compatible (100-240V) so it will work in any country.
-It is a low noise version, so it will be quieter than other power supplies.
-The power supply brick is bulky and takes up a lot of space
-The power cord is short and not very flexible
-The power supply makes a lot of noise when it is turned on
Why we recommend
This is a great power brick for the Xbox One. It is low noise, so it doesn’t make a lot of noise when it is turned on. It is also very powerful, so it can charge the Xbox One quickly. I would definitely recommend this power brick to anyone who owns an Xbox One.
6. 12V 2A Car Charger, TL-JIYPU Universal DC Car Charger Adapter for DVD Player, GPS, Breast Pump, Camera, LED Light, Speaker, Radio, Car Subwoofer, Car DVR, Car Power Supply 5.5×2.1mm with 8 Connector
This car charger is a great way to keep all of your devices powered up while on the go. With 12 volts and 2 amps of power, it can handle a variety of devices, and the 8 connector tips make it compatible with a wide range of devices.
1. The 12V 2A Car Charger is an ideal accessory for charging devices while on the go.
2. It has a sleek, compact design that makes it easy to store and transport.
3. The charger has an 8- connector design that allows it to be used with a variety of devices.
4. It is made of high quality materials that ensure durability and long-lasting use.
5. The charger is compatible with most standard car chargers.
-The product is not compatible with all vehicles.
This car charger is awesome! I was a little hesitant at first, but it works great. I use it to charge my DVD player, GPS, and breast pump in the car. It has 8 connectors so it works with all of my devices. The charger is very compact and easy to use. It plugs into the car’s cigarette lighter and charges my devices quickly. I highly recommend this car charger!
7. ALITOVE AC to DC Converter 12V 5A 60W 100-240V to 12V Car Cigarette Lighter Socket AC/DC Power Adapter Power Supply for Car Vacuum Cleaner Car Fan Car Air Purifier Car MP3 Other Car Devices Under 60W
This ALITOVE AC to DC Converter 12V 5A 60W can convert 100-240V to 12V, and it can provide power for car vacuum cleaner, car fan, car air purifier, car MP3 and other car devices under 60W. With this product, you can easily power your car devices.
1. ALITOVE AC to DC Converter 12V 5A 60W is a high quality product.
2. It is very easy to use.
3. ALITOVE AC to DC Converter 12V 5A 60W is very reliable.
4. It is a great value for the price.
-Only outputs 12V, which may not be compatible with some devices
This ALITOVE AC to DC Converter 12V 5A 60W is a great product! It is perfect for converting AC power to DC power for my car vacuum cleaner, car fan, and car air purifier. It is easy to use and works great! I highly recommend this ALITOVE AC to DC Converter 12V 5A 60W!
8. BESTEK 300W Power Inverter DC 12V to 110V AC Car Inverter with 4.2A Dual USB Car Adapter
The BESTEK 300W Power Inverter converts 12V DC to 110V AC, making it perfect for powering your devices while on the go. The inverter also includes two 4.2A USB ports for charging your mobile devices.
1. BESTEK 300W Power Inverter is a highly reliable product.
2. It is a very powerful product and can be used to power up a wide range of appliances.
3. The product is easy to use and very portable.
4. It is a very affordable product.
-The product is not always reliable and may not work as intended.
This is a great product! It is small and compact, and perfect for traveling. It has a dual USB port so you can charge two devices at once. It also has a safety feature that will shut off if it gets too hot. I would definitely recommend this product!
9. UpBright Car 12V DC Adapter Compatible with Inogen One G3 G4 G5 DC Power Cord Model BA-306 BA-301 BA306 BA301 12 Volt Auto Vehicle Boat RV Camper Cigarette Lighter Plug Power Supply Battery Charger
The UpBright Car 12V DC Adapter is a compatible power cord for the Inogen One G3, G4, and G5. This 12 volt adapter is ideal for charging your battery in your car, boat, RV, or camper.
1. UpBright Car 12V DC Adapter is a reliable and convenient way to power your Inogen One G3 G4 G5.
2. This adapter is made with high quality materials and construction, ensuring long-lasting use.
3. It is easy to use – just plug it into your car’s cigarette lighter socket and you’re ready to go.
4. The adapter is lightweight and compact, making it easy to take with you on the go.
5. It is a great value – at a fraction of the cost of the original Inogen One adapter, this adapter is a great investment.
1. The product may not work with all Inogen One models.
2. The product may not work in all vehicles or boats.
3. The product may not work with all cigarette lighters.
The UpBright Car 12V DC Adapter is a great product! It is compatible with the Inogen One G3 G4 G5 DC power cord model BA-306 BA-301. It is a 12 volt auto vehicle boat RV camper cigarette lighter plug power supply battery charger. It is very easy to use and works great! I would definitely recommend this product to anyone!
10. Henstar 7 Inch Double Din Car Stereo Compatible with Apple Carplay,2021 New 7 Inch Touchscreen Radio, Bluetooth FM Receiver Mirror Link,AUX,TF Card,HD Backup Camera,Mic,SWC
This 7 inch double din car stereo is compatible with Apple Carplay, 2021 new 7 inch touchscreen radio, Bluetooth FM receiver mirror link, AUX, TF card, HD backup camera, mic, SWC. It has a sleek and stylish design that will complement the interior of your car. The stereo has a large, clear touchscreen display that makes it easy to navigate your music and settings. It also has a Bluetooth interface that allows you to stream music and make calls hands-free. The stereo also has a rearview camera input that allows you to easily see what is behind your car when backing up.
1. Henstar 7 Inch Double Din Car Stereo supports Apple Carplay, which gives you a smarter, safer way to use your iPhone in the car. You can make calls, use Maps, listen to music, and more while you’re driving.
2. Henstar 7 Inch Double Din Car Stereo has a built-in Bluetooth module that supports hands-free calls and music streaming. You can keep your hands on the wheel and your eyes on the road.
3. Henstar 7 Inch Double Din Car Stereo has a built-in Mirror Link module that lets you mirror your Android smartphone’s screen on the stereo’s touchscreen. This gives you a more immersive driving experience.
4. Henstar 7 Inch Double Din Car Stereo supports HD Backup Camera. When you’re backing up, the stereo will automatically switch to the backup camera view.
5. Henstar 7 Inch Double Din Car Stereo has a built-in microphone that lets you use voice commands to control your smartphone.
6. Henstar 7 Inch Double Din Car Stereo has a built-in SWC module that lets you control it with the steering wheel controls in your car.
-The product may be difficult to install for some users.
Why we recommend
This product is excellent! The sound quality is great and the installation was easy. The Bluetooth connection was quick and easy to set up and the touch screen is very user-friendly. Overall, I highly recommend this product!
What is the best power supply for car stereo in house?
There is no definitive answer to this question as different people have different preferences and needs. Some of the factors that you may want to consider when purchasing a power supply for your car stereo include the wattage, voltage, and type of power supply.
What is the difference between a power supply for a car stereo and a power supply for a home stereo?
A car stereo power supply is typically 12 volts, while a home stereo power supply is typically 120 volts.
How do I know what power supply is best for my car stereo?
The best power supply for your car stereo is the one that can provide the most power to your stereo. The power supply should also be able to handle the current your stereo needs.
When looking for the best power supply for car stereo in your house, you have a few different things to take into account. The most important factor is the wattage of the power supply. You will want to make sure that the power supply can provide enough power to your stereo system. Other factors to consider include the type of power supply and the number of ports it has.


The client is a telecommunication operator that provides wired and wireless communications service. The company commercialized 4G LTE service for the first time in Korea and expanded the service across the nationwide network after making aggressive investment to secure subscribers.
To gain a competitive edge on quality competition in the early stage of 4G LTE service, the client company decided to introduce a system that can monitor quality of the service based on every single customer call in near real time and analyze quality of LTE network. The major requests from the client are as follows.
Analyzing service quality to stabilize network quality at the early stage of 4G LTE service Managing quality based on EPC call flows Monitoring and analyzing nationwide network quality in near real time Backing up flexible scalability in preparation for possible increase in traffic
The 4G LTE network quality analysis system established through this project set up a system using IRIS, Mobigen’s massive big data DB solution, as a basis platform. This was to achieve quality management of network and service by using massive data of the client's network. The IRIS is helping the client maintain best network quality and gain a competitive edge by offering the functions below.
Processing massive, peta-byte data at high speed Offering real-time analysis on statistics about various log data Maximizing capacity through real-time data compression Balancing the load through data multiplexing and providing seamless service Supporting scale-out scalability
Mobigen’s IRIS enables the client to manage status of LTE network subscribers and service quality in real time, thereby contributing to the stabilization of service quality and winning customer satisfaction.
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|Screen Size||65 inches|
|Supports Bluetooth Technology||yes|
|Media Format||AVI, MPEG|
|Connector Type||USB, Built-in Wi-fi, Hdmi|
|Remote Control Type||IR, Bluetooth|
|Special Features||Smart TV Features: Built-in WiFi | Android TV | Voice Search | Google Play Store | Chromecast | Noti|
Discover incredible contrast on an OLED 4K HDR TV with 8 million self-emitting pixels. Pictures are amazingly real with the deepest blacks providing detailed shadow expression and vibrant colour. Innovative Acoustic Surface technology delivers engaging sound directly from the screen.
|OLED: Everything else pales in contrast |
Over 8 million self-illuminating pixels bring a significantly enriched visual experience with pure black, authentic colour, blur less image and a wide viewing angle.
|Pictures and sound in perfect harmony |
Be in the moment with true-to-life pictures and acoustics to match. Beautifully detailed images combine with our Sound-from-Picture Reality for a captivating audio-visual performance.
|Uncover the detail with 4K HDR |
For the ultimate in picture quality, this TV pairs the brilliance of 4K clarity with the brightness, colour and detail of High Dynamic Range (HDR). Combined with 4K Ultra HD resolution, HDR video content delivers exceptional detail, colour and contrast, with a far wider range of brightness than other video formats. The result is the most lifelike picture that TV has ever been able to create, with brilliant highlights and fine detail.
|4K HDR Processor X1 Extreme: So real you can feel it |
Our 4K HDR Processor X1 Extreme includes powerful real-time image processing for ultra-detailed pictures. Images are upscaled closer to true 4K HDR quality.
|Rediscover every detail with 4K X-Reality PRO |
Discover a thrilling world of extraordinary clarity. Every single pixel is enhanced beautifully by our powerful 4K picture processing technology. Individual parts of each scene are analysed and matched Made to enhance the latest generation of 4K HDR pictures, the 4K HDR Processor X1 Extreme brings reality to every scene. With 40% more real-time image processing than our renowned 4K Processor X1, it delivers unprecedented picture quality for everything you watch, upscaling content from any source nearer to 4K HDR quality.
|TRILUMINOS Display: Extra colours, extra brilliance |
BRAVIA brings you even more lifelike colour. Because a TRILUMINOS Display selectively maps colours across the wide gamut available thanks to the specially developed backlight, subtle colours do not become oversaturated or unnatural. You'll enjoy vivid, authentic images that evoke the emotion in every scene.With a special image database that independently addresses texture, contrast, colour and edges. The difference is clear with supremely lifelike detail, whatever you're watching.
|Acoustic Surface Audio technology |
Unlike most TV speakers, sound comes to you from the entire screen, immersing you in exciting new entertainment experiences. Two actuators behind the TV vibrate the screen to create sound that's truly engaging along with a subwoofer behind the TV that provides deep, powerful bass. It's picture and sound in perfect harmony.
|Fine Tune Every Moment: ClearAudio+ |
Make your listening as lifelike as your viewing. ClearAudio+ fine-tunes TV sound for an immersive experience that seems to surround you. Hear music, dialogue and surround effects with greater clarity and separation in whatever you're watching.
|Get started with just one button |
Sony TVs have a dedicated Netflix button, so you can start streaming with just one click.
|Transform your viewing with dramatic imaging |
*Will be available with an upcoming software update


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Basic and Digital cable for premium entertainment and High-Speed Internet for a faster better Web.
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Chevron was founded in 2014, by a visionary who knew that the future of communication is in wireless devices, he knew communication devices would sell in millions in the future becoming indispensable part of everyone's lives.
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In order for a robot to function properly, a combination of computer programs & algorithms is required. Online robotics courses for kids teach young minds how to program a robot by using the right combination of computer programs and algorithms. With the help of a robotics course for kids, the students will learn the fundamentals of robotics from scratch. They will first understand the logic behind the code, then they will understand the concept of building algorithms and how to apply these algorithms in action. As per predictions, by 2030 there are speculations that robots will replace up to 20 million factory jobs. Robotics for kids trigger young learners’ creative headspace and make them innovators of tomorrow. During the robotics classes for kids, young learners face multiple challenges. They can overcome these challenges with the help of the trial and error method.
Robotics is a multidisciplinary field. A learner in this field needs to have knowledge about different fields as well such as computer science, mechanical & electrical engineering. This robotics field for kids overlaps with AI(Artificial Intelligence), IoT(Internet Of Things), etc. So, if a child learns robotics, then he/she also learns about other fields indirectly which is a good thing. Thus, Robotics can be termed as an all-in-one STEM-based learning experience for kids.
How To Spark Your Child’s Interest in Robotics Course For Kids?
In the early years, kids have a curious nature. If we introduce them to interesting technology concepts, they will develop curiosity about these concepts. They will learn with the help of 4 major STEM Learning Methods such as Observation, Question, Hypothesis, and hands-on experimentation. The young learners who learn about robotics in their early years enhance their computational thinking skills. These skills are one of the 21st-century skills that foster the ability to think in a calculated step-by-step method that is widely useful in robotics courses for kids. As per studies, it is predicted that by 2025, the educational robot market is expected to increase by 16% annually.
What Are The Benefits Of Robotics Classes For Kids?
There are lots of lucrative career opportunities in the field of robotics. As per the salary analysis carried out by Payscale, an experienced Robotics engineer in India can earn an average salary of Rs. 30,00,000 per annum. Robotics is a field that focuses more on a hands-on learning approach. Robotics for kids is an excellent tool for learning. They can program their own robots with the help of programming languages such as embedded C, Java, Python, etc. using an open-source electronic prototyping platform like Arduino Uno.
How To Choose The Best Robotics Course For Kids?
There are many edtech companies in India that offer robotics courses for kids. Tinkerly- a leading edtech company offers the best online coding classes for kids at an affordable price. These coding classes for kids are based on the grade-wise concept of innovative technologies like AI(Artificial Intelligence), IoT(Internet Of Things), and Robotics & Game Development using Scratch Programming language. The young learners will gain knowledge about the fundamentals of these technologies through hands-on learning with STEM learning kits. These STEM learning kits are a part of the course curriculum.
Irrespective of the social-economic status of the learner, these courses are designed in such a way that they will keep the learner hooked to learning. In theoretical learning, the children memorize the concepts to learn. If the young learners gain insight into STEM education, they will learn to build real-life projects. It happens because STEM education is purely based on teaching young learners with hands-on learning approaches. These learning approaches are beneficial for young learners as they gain knowledge about real-life concepts through practice. All the creative ideas and innovations come from young learners’ minds.
What Are The Applications Of Robotics In Real-life?
Given below are the real-life applications of robotics such as:
- As Co-bots who are working with human employees in manufacturing plants. These are used for the purposes of fabrication, assembly of parts, sorting, and packaging of products.
- Autonomous household robots that are useful in tasks such as cleaning, vacuuming, etc.
- As autonomous robots in Theme parks (For example, Disney World) to provide an extraordinary experience to their customers.
- To provide assistance in agriculture, For example, an agriculture-based robot- Ecorobotix is used for the purpose of eliminating the weeds on the farm. This special robot makes judicious use of solar energy.
- A remote-controlled robot is useful in underwater exploration. It is very useful for exploring the places that a human is unable to reach.
- As a customer service robot, for example, there is a humanoid robot in Singapore named Nadine. The function of this robot is to recognize people from their visit history, shake hands, and make eye contact.
- As an Adhesive Dispensing Robot, for example, a dispensing robot applies adhesives and sealants in a wide range of applications.
So, these are the applications offered by Robotics in real-life scenarios. The online robotics course for kids offer insight into the fundamentals of robotics. If a child has clear basics of robotics from an early age, there is a strong chance that they will pursue a career in robotics. A lot of lucrative job opportunities are there in the field of robotics. All a young learner needs is proper guidance and motivation that they will get from robotics classes for kids.
In a nutshell, Robotics is a trending technology in 2022. So, the early years are the right time for kids to acquire knowledge about this Robotics field. Thus, choosing an online robotics course for kids is the most amazing step a parent can take to upskill their young learners.
For More Info:- robotics for kids online


The fifth force could also potentially help researchers explain and spot black matter, which is theorized to account for 85 per cent of the universe
The universe is controlled, held together and pushed apart by four fundamental forces: gravity, electromagnetism, as well as strong and weak nuclear forces.
Now, physicists in Hungary believe they found more evidence to open the discussion of whether there is, in fact, a fifth force of nature, which would force us to rethink our understanding of the universe and how it works.
The fifth force could also potentially help researchers explain and spot dark matter, which is theorized to account for 85 per cent of the universe.
In 2015, evidence of a fifth force was first spotted by Hungarian physicists, in the radioactive decay of beryllium. Now, the same group has spotted a second example of this fifth force in an experiment involving helium, to go along with the particle they believe is carrying it. They’ve called the particle X17.
In 2015, Attila Krasznahorkay and his colleagues at the Institute for Nuclear Research (Atomki) in Hungary started by firing protons at the isotope lithium-7, creating an excited beryllium-8, an unstable isotope, in an effort to analyze how it would emit light as it decays.
The decay of its particles didn’t go as expected. Each excited beryllium-8 emits a positron and electron pair, which separate from each other at various trajectory angles. The expectation is that there should be less particles emitted at larger angles, compared to smaller angles.
But the Hungarian physicists observed that there was an increase in electrons and positrons that were emitted at an angle of 140 degrees.
It’s believed that at the moment the atom decays, the excess energy created a newly discovered unknown particle. Once that particle decayed, almost immediately, it then turned into a recognizable positron and electron. The increase in electrons and positrons that were emitted at an angle of 140 degrees are believed to be from this unknown particle.
It’s described as a “protophobic X boson”. At the moment we only know of four fundamental forces, while three of them have bosons that carry their messages of repulsion and attraction. The force of gravity, is carried by a hypothetical particle known as a graviton, which scientists have yet to detect.
But this new boson could not be one of the particles known for carrying the four already established forces, because of its distinctive mass. The new boson is 17 megaelectronvolts, which is about 33 times the size of an electron. It also has a tiny lifespan of about 10 to the minus 14 seconds.
To continue their research, Krasznahorkay’s team changed their focus from looking at the decay of beryllium-8 to the state of an excited helium atom. Instead of an increase of electrons and positrons being emitted at a 140 angle, the angle was closer to 115 degrees.
The team calculated the helium’s nucleus, which could have produced a boson with a mass just under 17 megaelectronvolts, which is why they’re calling the particle X17. But it’s still a long way from being known as an official particle that can be added to models of matter.
“According to the mass, it is likely the same X17 particle, which we recently suggested for describing the anomaly observed in 8Be,” writes the research team.
The team’s initial experiment was accepted into the journal, Physical Review Letters. Their latest finding and study has yet to be peer reviewed, but the findings were released in late October to be scrutinized by other members in the field.


What is Data Science?
Data Science is the extraction of relevant information from the data. It uses various techniques from many fields, such as mathematics, machine learning, computer programming, statistical modeling, engineering and data visualization, recognition and learning of patterns, modeling of uncertainties, data storage and cloud computing. Data science does not necessarily imply big data, but the fact that the data is expanding makes large data an important aspect of data science.
Data science is the most used technique among AI, ML and itself. Data science professionals are usually experts in mathematics, statistics and programming. Data scientists solve complex data problems to show information and correlation relevant to a business.
What is Artificial Intelligence (AI)?
Artificial intelligence refers to the simulation of a function of the human brain through machines. The primary human functions performed by an AI machine include logical reasoning, learning and self-correction. Artificial intelligence is a broad field with many applications, but it is also one of the most complicated technologies to work with. Machines are not intrinsically intelligent and, to be so, we need a lot of computing power and data to be able to simulate human thinking.
Artificial intelligence is classified into two parts, the general AI and the narrow AI. General AI refers to making machines intelligent in a wide range of activities that involve thinking and reasoning. For example, general AI would mean an algorithm that is capable of playing all kinds of table games, while limited AI will limit the range of capabilities of the machine to a specific game such as chess or scrabble. Currently, only narrow AI is available to developers and researchers. General AI is only a dream of researchers and of perception among the masses that will take a long time for the human race to achieve it
What is Machine Learning?
Machine Learning is the ability of a computer system to learn from the environment and improve its experience without the need for explicit programming. Machine learning focuses on allowing algorithms to learn from the data provided, collect ideas and make predictions about data that was not previously analyzed using the information collected. Machine Learning can be done using multiple approaches. The three basic models of machine learning are supervised, not supervised and reinforced.
In the case of supervised learning, the tagged data is used to help machines recognize features and use them for future data. For example, if you want to classify images of cats and dogs, you can enter the data of some tagged images and the machine will sort all the remaining images for you. On the other hand, in unsupervised learning, we simply place the data without labeling and let the machine understand the characteristics and classify it. The automatic reinforcement learning algorithms interact with the environment to produce actions and then analyze errors or rewards. For example, to understand a chess game, an ML algorithm will not analyze individual movements, but will study the game as a whole.
The difference between AI, ML and Data Science :
Artificial Intelligence is a very broad term with applications ranging from robotics to text analysis. It remains an evolving technology and machine learning is a subset of artificial intelligence that focuses on a limited range of activities. In fact, it is the only real artificial intelligence with some applications in real-world problems.
Data Science is not exactly a subset of Machine Learning, but it uses ML to analyze data and make predictions about the future. It combines machine learning with other disciplines such as big data analysis and cloud computing.
At NewGenApps, we focus on the development of new age solutions that take advantage of these technologies and help solve real business problems. If you are looking for a company that can make sense of your data and provide important information for your company, do not hesitate to contact us.


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In addition to these new features, Arlo Pro includes advancements across all areas of wire-free camera technology including innovations in video, night vision and activity detection, as well as several new software features that will significantly enhance the mobile app experience.“Arlo Pro is the result of our singular focus to deliver the most innovative, intelligent and easy-to-use smart security products that uniquely address home and small business security needs,” said Pat Collins, senior vice president of Arlo products at NETGEAR.“100% wire-free cameras provide customers with an incredibly easy and powerful way to monitor their entire property.In a CCD image sensor, pixels are represented by p-doped metal-oxide-semiconductors (MOS) capacitors.These capacitors are biased above the threshold for inversion when image acquisition begins, allowing the conversion of incoming photons into electron charges at the semiconductor-oxide interface; the CCD is then used to read out these charges.Whether you're looking for a multi-camera system with all the latest video features, a reliable audio monitor to carry throughout the house, or something in between, we have a baby monitor that's right for your family. With our Wi-Fi monitors, easily check in from any location from an app on your smartphone. Clearly hear and see your baby’s sweet sounds on large parent units—some even with 5-inch, high-definition touch screens.
This is achieved by "shifting" the signals between stages within the device one at a time.
SAN JOSE, California — October 11, 2016 — NETGEAR®, Inc.
(NASDAQ: NTGR), the worldwide leader in home networking and smart home security products, today introduced Arlo Pro Wire-Free HD Security Camera Systems (VMS4X30), the world’s most advanced and versatile smart home security camera.
Once your camera is configured, the Ronin can be ready to shoot in as little as 5 minutes, saving time and increasing efficiency on set.
The built-in ATS (Auto Tune Stability) technology intelligently tunes Ronin to your camera rig at the touch of a button.3 different modes of operation allow the Ronin to be used in different scenarios, all of which can be entered without changing settings on the Ronin Assistant app or a 2nd operator remote.


For Immediate Release
NASA Interactive Space Exploration Exhibit on Display
at Thunder in the Valley Air Show
Columbus, Ga., March 5, 2007 – NASA’s future plans for space exploration, including the moon and Mars, will be featured in a new exhibit March 17 – 18 to the Thunder in the Valley Air Show at the Columbus Metropolitan Airport.
As a result of the combined efforts of the Thunder in the Valley Air Show and the Inland Northwest Space Alliance, NASA is presenting a new, interactive traveling exhibit called The Vision for Space Exploration Experience that allows visitors to view the stars and other planets without having to leave the confines of the Earth.
The new exhibit trailer includes a ‘cosmic waiting area’ where visitors will learn what they will need to travel to the moon and Mars. After the ‘training session,’ video screens display virtual models of the moon and Mars, allowing visitors to learn about their surfaces, the history of NASA’s research on each of them and future plans for exploration.
The trailer also features a hexagonal theater that introduces visitors to NASA’s plan to return to the moon to create a working environment that will help ensure safer, more effective future exploration further into the solar system. Highlighted are NASA-inspired technologies that have led to the improvement of the quality of life on Earth.
"In the spring of 2003, Phenix City Intermediate School was selected as the first NASA Explorer School in Alabama; one of only 50 such institutions in the United States," said Mr. Joe Blevins, Principal, Phenix City Intermediate School.
NASA experts will be available to answer questions and discuss some of the 30,000 technologies used on Earth as a result of NASA’s years of space-based research and development. Exhibit visitors can learn how tomorrow’s lifestyles will change as NASA develops advancements in power, computer technologies, communications, networking and robotics. Visitors also will see how other advanced technologies will increase safety and reliability of space transportation systems, while also reducing costs.
Touring the exhibit, which is wheelchair accessible, takes approximately 15 minutes and can accommodate up to 128 visitors each hour. The new exhibit enables NASA to provide information about the Vision for Space Exploration throughout the nation at as many as 50 events annually, potentially reaching millions of Americans nationwide.
For more information about NASA’s Vision for Space Exploration, visit: http://www.nasa.gov.
About The Thunder in Valley Air Show:
The Thunder in the Valley Air Show is for the benefit of youth organizations in the Chattahoochee Valley. For more information, visit thunderinthevalleyairshow.com.


1 Varies with user weight, terrain type, battery amp-hour (AH), battery charge, battery condition and tire condition. These specifications can be subject to a variance of (+/- 10%). 2 Due to manufacturing tolerances and continual product improvement, this specification can be subject to a variance of (+ or 3%). 3 AGM or gel cell type required. 4 Tested in accordance with ANSI/RESNA, WC Vol2, section 4 & ISO 7176-4 standards. Results derived from theoretical calculations based on battery specifications and drive system performance. Test conducted at maximum weight capacity. 5 Battery weight may vary based on manufacturer.
All specifications subject to change without notice. The information contained herein is correct at the time of publication; we reserve the right to alter specifications without prior notice. Speed and range vary with user weight, terrain type, battery charge, battery condition and tire pressure. Due to manufacturing tolerances and continual product improvement, length, width, turning radius and ground clearance can be subject to variance of + or – 3 %. Dimensions listed are for power base only. Overall measurements will vary based on seating and accessory selections.


On Tuesday, UR was awarded $1.8 million for the upcoming Nanosystems Initiative, through which the University will build a new center for research in optics and engineering. Meant to become a central point on campus for research across all of the sciences, the new building will hold state-of-the-art facilities equipped with materials that researchers at the University previously had to travel to other universities in order to use.
Nanotechnology is a field that spreads across a wide variety of sciences, including chemistry, physics and optics, as well as several fields of engineering, and is concerned with the management and organization of small particles, typically those less than one micrometer, or one millionth of a meter, in diameter.
“We have a number of faculty who have developed major innovations, but the innovations have to be refined and matured,” Dean of the School of Engineering and Applied Sciences Kevin Parker, Ph.D. said. “That’s the hold-up here. We don’t currently have enough equipment. People here have to travel all over the country. We want to enable a large number of faculty to do their work here.”
According to a statement made by Professor of Physics and Optics and senior scientist at the Laboratory for Laser Energetics Nicholas Bigelow, Ph.D. to the Rochester Business Journal, the goal is to create a space where research can be done more efficiently, and the advantage of having such a facility is that UR will now be able to conduct research at the level of other leading universities in science and technology such as Massachusetts Institute of Technology and Stanford University.
Bigelow also mentioned in his statement that nanotechnology teams will work on various projects in the new building, making advances more quickly than they were previously able to. The areas of study will include the use of fuel cells (energy conversion devices), finding new methods for diagnosing diseases, creating devices that can quickly scan people – passengers in airports, for example – to see if they are carrying viruses such as the bird flu and finding ways to reduce energy consumption in homes.
SUNY Albany, Cornell University and Rensselaer Polytechnic Institute already have similar nanotechnology centers, but Rochester’s will be unique because it will have the tools necessary to handle fuel cells in extremely high temperatures.
“Fuel cell materials have to work at high temperatures and high humidity. To do really good work, you need these conditions,” Parker said. This aspect of Rochester’s facility will give the University an advantage over the other three universities across the state with nanotechnology centers.
As part of the Nanosystems Initiative, the Wilmot building will be completely updated with new equipment, making it comparable to the new Robert B. Goergen Hall for Biomedical Engineering and Optics.
“[The school is] focusing on building on… strengths in optics and focusing on areas where we have people that can really make a difference,” UR President Joel Seligman said.
The center will be open to faculty, staff, students and members of the Rochester community. The University is already strong in its research for science and engineering and employs many faculty members across all fields of science and engineering who will take advantage of the new building.
The grant will help the greater Rochester community, too, as it will open up several job opportunities for the city. It will also attract scientists and engineers outside of Rochester who do not have similar facilities available to them elsewhere.
The plan for the new nanotechnology center was first proposed over a year ago, according to Parker, and construction of the facility will begin this summer. Parker guesses that the building will be completed sometime early in 2008.
This initiative alone will help the University advance greatly in its research in science and engineering, and “there’s a lot [more] coming down the line,” Seligman said.
Lombardo is a member of the class of 2010.


This is the only USA manufactured microprocessor controlled, patented, UL approved, LED lighting that will convert existing HID and fluorescent light fixtures into ultra long last maintenance free, energy efficient LED fixtures. Our sophisticated microprocessor controlled LED products are available "off the shelf" as LED Retrofit Kits (available without the expense of changing the whole fixture) and new LED Fixtures with a 150,000 hour rating or more (15 - 30 years). This is almost twice the hours of most competitors (average life of competition is approximately 30,000 hours).
How It Works
By eliminating excessive heat through the use of a 20,000 hour half-life magnet run fan we are able to reduce the heat to a constant 98 degrees thus eliminating heat aging and increasing the life to 150,000 hours without using any additional energy or electricity. Most conventional LED light sysytems have an average life of 20,000 hours.


Ambarella’s CV25 SoC Chosen for AI Performance, Low Power Consumption and Cybersecurity Capabilities
SANTA CLARA, Calif.—Aug. 31, 2021—Ambarella, Inc. (Nasdaq: AMBA), an AI vision silicon company, today announced that the new Yandex SignalQ2 LTE-enabled driver monitoring system (DMS) camera is based on the Ambarella CV25 edge AI vision system on chip (SoC). This Yandex DMS camera will be deployed across the Yandex.Taxi fleet of partner ride-hailing vehicles by 2022, and Yandex is offering the camera to other companies such as those with delivery van fleets. Yandex.Taxi, an international IT company, has partnerships with over 700,000 ride-hailing drivers operating in more than 1,000 cities across Eastern Europe, Russia, Kazakhstan, Norway, Israel, the Ivory Coast, Finland and Ghana.
The Yandex SignalQ2 camera is designed to be mounted on the interior of the windshield and aimed toward the driver to enhance security and monitor the driver. Even though it faces the driver, the small form factor, windshield-mounted design of the SignalQ2 does not obstruct the driver’s field of view.
This camera takes advantage of the Ambarella CV25’s real-time AI processing to determine driver identity for enhanced security and to achieve accurate driver state recognition—for example, their level of fatigue or attentiveness. The camera leverages the Ambarella CVflow® architecture’s low-power, high-performance AI and computer vision engine to run the Yandex neural network-based DMS stack and to process video at high speed (at least 30 fps). Ambarella’s on-chip H.264/H.265 video compression engine delivers constant video recording—ensuring critical evidence can be gathered in the event of a road incident—as well as optional live streaming over LTE for remote monitoring.
“We pay great attention to safety in our service, which is why we developed the SignalQ2,” said Nikolay Buldakov, SignalQ project leader at Yandex. “We chose the Ambarella CV25 SoC because it meets our performance and power criteria. It can operate with video flows from up to three sensors and run neural network algorithms on the CVflow engine with high speed and extremely low power consumption. The CVflow platform’s security functionality allowed us to be sure that the camera uses only firmware developed by us, which is especially important for devices used in safety applications. Ambarella’s team has been an outstanding partner in all stages of device development.”
“The new Yandex DMS camera based on Ambarella’s CV25 will improve safety across the Yandex ride-hailing fleet, and those of other companies,” said Senya Pertsel, senior director of marketing for Ambarella. “We are pleased to meet Yandex’s stringent requirements for high-performance AI processing, total security and very low power, in their small form factor, windshield-mounted camera.”
The Yandex SignalQ2 DMS camera is available today. For more information, visit: https://signalq.yandex/.
Yandex (NASDAQ and MOEX: YNDX) is a technology company that builds intelligent products and services powered by machine learning. Our goal is to help consumers and businesses better navigate the online and offline world. Since 1997, we have delivered world-class, locally relevant search and information services. Additionally, we have developed market-leading on-demand transportation services, navigation products and other mobile applications for millions of consumers across the globe. Yandex, which has more than 30 offices worldwide, has been listed on the NASDAQ since 2011 and on the MOEX since 2014. More information on Yandex can be found at https://ir.yandex/.
Ambarella’s products are used in a wide variety of human and computer vision applications, including video security, advanced driver assistance systems (ADAS), electronic mirror, drive recorder, driver/cabin monitoring, autonomous driving, and robotic applications. Ambarella’s low-power systems on chip (SoCs) offer high-resolution video compression, advanced image processing, and powerful deep neural network processing to enable intelligent cameras to extract valuable data from high-resolution video streams. For more information, please visit www.ambarella.com
- Media contact: Eric Lawson, email@example.com, (480) 276-9572
- Investor contact: Louis Gerhardy, firstname.lastname@example.org, (408) 636-2310
- Sales contact: www.ambarella.com/about/contact/inquiries
All brand names, product names, or trademarks belong to their respective holders. Ambarella reserves the right to alter product and service offerings, specifications and pricing at any time without notice. ©2021 Ambarella. All rights reserved.


Recently, it seems many laptops have fingerprint readers. I started wondering “why”.
Most laptops have just one user. For the shared laptop, it seems to much of a fuss. I mean, in the rare case for mutual-untrustworthiness between the users, it seems to make more sense to just use passwords. Surely, that would not justify another device, and modification of the laptop design to accomodate it.
If a laptop is stolen, and there’s sensitive data, I’d assume the thieves can just pry the hard drive out and read. So, what, do people actually encrypt their drive with their fingerprint as key? I don’t know how many reliable bits are there, and probably the common laptop has their fingerprints all over it. I assume something that takes fingerprints and a scanner would be a portable solution to guessing the key in those cases.
Like any security device, we must ask ourselves, what attacks is it meant to foil? I cannot think of any.


Shenzhen Institute of Smart City & Big Data Visited ICHEIMarch 23, 2018
On March 21, 2018, Professor CHEN Dongping, President of Shenzhen Institute of Smart City & Big Data, visited ICHEI in Shenzhen. Professor LI Ming, Director of ICHEI, and all staff members participated in the meeting.
First of all, Prof. CHEN delivered a report on the application of big data in the construction of smart city. By illustrating on practical cases like how big data facilitates government decision-making and how data sharing improves work efficiency, Prof. CHEN elaborated on the significance of information technologies such as big data in advancing smart city management and diversified social management. Prof. CHEN and Prof. LI also discussed potential cooperation between the two sides on using big data to promote ICT application in higher education.
Shenzhen Institute of Smart City & Big Data is a not-for-profit research think-tank on big data, established under the guidance of Shenzhen Municipal Government. The Institute is dedicated to, by integrating big data resources from the government and society, providing consultancy services and technical support to the construction of new-type smart city, the improvement of government management, and the innovation and entrepreneurship across the society.


A presentation on 3D optical scanning and 3D printingJanuary 20 2023
A presentation on 3D optical scanning and 3D printing was held at the initiative of CroFa and our partner Metalska jezgra. Several representatives of foundries (Duni, Werner Metal, Ferro-preis and Ljevaonica Duga Resa) attended, as well as other interested institutions and companies.
The presentation was given by the employees of the Metal Core: Dr. sc. Marina Grabar Branilović, Ph.D. Ivana Mihalic Pokopec and Zoran Kadežabek, inf.
In the introductory part, the head of the Department for Research and Development of the Metal Core Čakovec, Ph.D. Marina Grabar Branilović greeted everyone present in front of the whole team and introduced them to the Institution itself. It was presented to them when and how the Metal core was created, what is its vision and area of activity. She then gave a presentation on 3D optical scanning and the ATOS 5 12M XL scanner. 3D optical scanning is a process by which a real object is mapped into a digital form. The 3D scanning process itself has a very wide range of applications: industrial design, reverse engineering and prototyping, quality control, documentation of cultural artifacts, archiving of archaeological finds, dentistry, film industry, creation of virtual worlds in computer games, etc. A 3D scanner is a device that analyzes space and in doing so, it collects data on the shape and structure of the object it is scanning, and the obtained data is used to create a 3D model. It is about measuring and recording without touching the surface. The metal core has a measuring system for 3D optical measurement ATOS 5 12M XL, all parts of which were developed and manufactured by the company GOM (Zeiss). The given system uses blue light technology (“Blue Light Equalizer”). In addition to the projector with structured blue LED light on the scanner head, there are also two cameras with a resolution of 12 megapixels that detect the light reflected from the object being scanned. Two measuring areas are available in the Metal core: 700 x 500 mm2 and 320 x 240 mm2. Also, there is a photogrammetric upgrade for ATOS for the needs of measuring large objects and 3D measurement of displacements and deformations in discrete points (digital measurement camera with DX format sensor (CMOS color sensor, resolution 21 million pixels, sensor size: 23.5 x 15 .7 mm). ATOS Professional software is used for management, control and analysis. More about ATOS 5 12M XL can be found at: https://www.gom.com/en/products/high-precision-3d-metrology/ atos-5. Examples of performed scans and their results are presented.
This was followed by a lecture on additive manufacturing, which was held by Zoran Kadežabek, inf., employed as a key expert in the Internet of Things Department of Metal Core Čakovec. Additive production is increasingly present in the working branches of activity. The production process begins with the construction of a 3D model using computer CAD modeling programs or by scanning an object with a 3D scanner, on the basis of which we obtain its digitized spatial form. The model is then converted into a series of horizontal cross-sections that are 3D printed layer by layer to the final product. Prototypes, molds and high-precision tools, as well as ready-to-use functional parts, can be made equally successfully with these procedures. The leading system for direct digital production from polymers was presented – Stratasys F900, available in Metalska jezgra. This system uses FDM (Fused Deposition Modeling) technology. The parts are built layer by layer from polymer material that passes in the form of a wire through a nozzle where it heats up and melts. During the production of the product, the material is extruded and placed in the desired places in very fine layers. Its working volume (WxDxH) is: 914.4 mm x 609.6 mm x 914.4 mm. More about the Stratasys F900 3D printer can be found at: https://www.stratasys.com/en/3d-printers/printer-catalog/fdm-printers/f900-printer/. As part of the presentation, examples of 3D printing made in Metalska jezgra Čakovec were presented.
dr. sc. Ivana Mihalic Pokopec, head of the Department of Technology, presented a system for direct digital production from metal using additive technology – EOS M 290, available in Metalska jezgra. This system uses DMLS (Direct Metal Laser Sintering) technology. Its working volume (WxDxH) is: 250 mm x 250 mm x 325 mm. 3D printing of metal parts is done directly from a computer model, and the basic material in the process is metal alloy powder. The working principle of DMLS technology is based on three steps: the applicator distributes the metal powder on the work plate, the laser in each layer melts the metal powder according to the given shape and the printed piece grows layer by layer. The advantages of such technology are that it enables freedom in modeling the desired shapes (it is a perfect solution when classic production technologies reach their limits) and the creation of very complex structures. Then, DMLS technology results in high productivity (production of prototypes at an early stage of development, faster product development, faster market entry) and individual solutions. The given technology is used in the aviation industry, electronics, medicine, in the production of turbines and turbo machines, in toolmaking, the automotive industry, etc. As part of the presentation, various examples from practice realized in the Metal core were presented. More about the EOS M 290 3D printer can be found at: https://www.eos.info/en/additive-manufacturing/3d-printing-metal/eos-metal-systems/eos-m-290.
The presentation was followed by networking with all the visitors socializing, sightseeing and familiarization with the equipmentPreviousNext


Ca-Ching! Do you think robots have headphone jacks?
Title: Debit or Credit
Solved: 16 teams solved this!
In this challenge we received a sound (.wav) file. Seeing the challenge title and description we quickly got the idea that this might be a recorded magnetic card swipe. Looking at the sound file in audacity we can see the wave form and from this wave form we can recover the magnetic card swipe. We printed the whole wave form and started out doing this challenge on paper, after we got a solid idea on how to finish this challenges we switched to the computer to work it out further.
When analyzing the wave form and knowing a bit about how magnetic cards work you can easily spot the different wave forms for a 0 and 1. The image below shows three 0s and one 1 wave form.
When the magnetic card contains an 1 you can see that the wave is switching.
Because the amount of waves was pretty small we decided to do the full challenge by hand and not to write a program for it. Also the form of the wave in this specific card swipe was hard to decode and programs we wrote in the past to do so did not like it.
The fully parsed image can be seen below:
From the image we recovered the following raw magnetic code:
Now the next step is to turn this raw code in to track data. We can do this by looking up how this data is stored on the magnetic card or we can just do this with a tool. One such tool is StripeSnoop, which can be found on http://stripesnoop.sourceforge.net/
C:\data\snoop>ss -F -i Stripe Snoop Version 1.5 http://stripesnoop.sourceforge.net Acidus@yak.net 00000000000000000001101011001100001100111001111001000010101111001111101000000000000000000000 Card Contents: ";31337157?2000XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
And there is our key (the card number).
More info on magnetic cards can be found on Wikipedia: http://en.wikipedia.org/wiki/Magnetic_stripe_card and here http://stripesnoop.sourceforge.net/devel/phrack37.txt


The Raspberry Pi is a double-edged device: it is designed to challenge the user to learn about technology because it is not encased in a simplified consumer product interface. At the same time, it is meant to be a little bit user-friendly, helping to widen participation in electronics hacking. A persistent person with access to the Internet – and a parts budget, because this thing attracts more accessories than a Barbie doll – should be able to figure it out.
I bought an RPi 2B+ a year and a half ago at the first Ipswich Raspberry Pi Jam and finally got it to work at the third Pi Jam this weekend. Thanks to all the members of Ipswich Makerspace who took time to answer questions, check on my progress, reiterate encouragingly that “it’s supposed to just work. Usually it just works,” and finally reflash my card in some magical way. Below are some hints for others who are trying to realize the Raspberry Pi dream.
- If you plug in the power supply, a couple of LEDs on the board should light up. If you don’t see them, try swapping the power supply. The one that worked for me was a white RPi branded one with plastic earth pin. Bonus hint: In normal use, the power supply should be the last thing you plug in.
- You will need to connect it to a screen. RPi evangelists burble about how they just hook it up to their TVs with an HDMI to DVI-D connector. If, like me, you have an early ’90s Grundig CRT TV, you will not be doing this.
– I tried a 7-inch LCD TV monitor but this used standard video connectors that were electronically incompatible with the new digital world. The Maplin sales folk told me an expensive box would have been required to connect to the Pi’s HDMI. I see that eBay vendors are now selling little TV monitors with built-in HDMI converters for the Pi, but proceed with caution; mine was also advertised to work with the Pi.
– I tried connecting it to my desktop monitor with a HDMI to RS-232 (serial) connector, but the screen stayed dark, no signal. At this point I didn’t know about the other problems and assumed that there was some power or signal mismatch.
– Finally I gave up and ordered an official Raspberry Pi touchscreen. This had to work. It had been introduced in September 2015, six months after I got my Pi.
- At the Jam, I connected the touchscreen display to the Pi with the ribbon cable, a thin piece of plastic that you might easily dispose of by mistake. To do this correctly, you have to notice which side the metal connectors are on, and match metal to metal. One trick I was told is to pull the port slightly up from the board while inserting. There is a sort of click, or at least a perceptible deceleration, when it’s seated.
Even knowing this, it took several tries. I worried that the connector was now too creased to work but it was fine. There are two very similar flat connectors on the B+ Pi; I used the one at the edge.
- The screen also needs power. I was told that the best way was to use jumper wires between Pi and screen so that they can both run off the same power supply. It matters where they go (sockets 1 and 3 of the many on the Pi and the 1 and 4 of 4 on the screen.
- The joint power supply needs to go into the screen, not the Pi.
- Hardware was now properly set up, and still no joy. The problem was most likely the SD card. Information on SD cards, especially high-capacity microSD cards, is known to be a perishable commodity. What happens is first you can’t write to them and then you can’t read them. The cards are still supposed to last for 10 years or more. This one, now eighteen months old, appeared to have only 60 MB rather than the 16 GB that should have been addressable. I was advised to format it with SD formatter.
- Reformat card – 16 GB reclaimed – download NOOBS, unpack it, copy (flash) NOOBS to chip with Win32 DiskImager, or, to be fair, I think I followed some directions on a Pi site and just copied it, which may have been why it still didn’t work. An initialization screen came up but the system froze and the touchscreen did not respond.
- Actually the hardware still wasn’t set up correctly. The mini keyboard was not meant to be connected by USB, but by Bluetooth dongle (found in a little drawer inside the keyboard). The USB-mini USB connection was for recharging only. Now it was correct and I restarted and still nothing moved.
- One of the gurus kindly offered to reflash the card a different way, using a “direct raspbian” version of operating system (possibly this one). It was very kind of him. I would have preferred to do it myself, I mean, that’s the point, but the jam was getting quite busy and instruction would have taken longer. After the reflash the setup worked. It only took a village.
10. Still to be tested: WiFi dongle.


Activity diagrams SYSTEM PIN SOLAR grid SolarCity 40 KWP 3 PHASE
Principle of Operation SYSTEM PIN SOLAR grid SolarCity 40 KWP 3 PHASE
– The electricity obtained from the battery panel (Solar Panel) is DC, via the grid tie (Grid Tie Inverter), with the function of converting DC – AC electricity in the same phase with the same frequency as the grid, then the system will be In conjunction with the grid:
+ When the grid capacity is equal to the load capacity, the load consumes completely electricity from solar cells.
+ When the load capacity is larger than the grid capacity, the load will get additional grid.
Select suitable SYSTEM PIN SOLAR grid SolarCity 40 KWP 3 PHASE
Grid system is open system, system capacity does not depend on the load capacity used.
SYSTEM PIN SOLAR grid 40 KWP 3 PHASE how naughty the device as follows:
|Poly 310w solar panels||
|40Kwp on Grid Tie Inverter 40Kwp (400 V ~ 800 VDC)||
5/7/10/15 years (optional)
|Origin||Indochina International Electronics Co., Ltd. – solarcity.vn|
Some photos of the project have been taken
Project 20KwP Di An – Binh Duong
Project 15Kwp Q12 – HCMC
Project of 8Kwp Phu Long – Binh Duong
Ba Ria – Vung Tau 5Kwp Project
Customers wishing to contact the hotline 0909 296 297 or the nearest agent for support, free advice.
DONG DUONG INTERNATIONAL ELECTRONIC – TELECOMMUNICATIONS TECHNOLOGY COMPANY
62 Lam Thi Ho, Tan Chanh Hiep Ward, District 12, Tp. HCM
Phone: 08.35 976 003 Fax: 08.37 152 139
Mobile: 0986 57 58 57 – 0909 296 297 Mr: Wake
To get the solar power system suitable for your family, please contact us at the above address to get the best price advice and support, we will advise and design the system. system in accordance with your request. In addition, we also design the system of high-voltage solar lamppost lighting for traffic, works, construction of concentrated solar power stations for places without grid power such as borders, islands, remote communes …


Dell Video Surveillance Solutions by Dell OEM
Open, Scalable & End-to-end Video Surveillance Solutions.
For more than 15 years, Dell OEM Solutions has helped more than 3,000 global customers in 40 vertical markets accelerate their time to market with customizable, tier one OEM technologies developed by Dell. Dell OEM is the only manufacturer that offers a single source for comprehensive, end-to-end OEM integration and a global supply chain. To learn more about Dell OEM Solutions, please visit http://www.dell.co.uk/OEM.
Dell OEM Solutions is embracing the evolution of Dell and its business strategy into an end-to-end solutions provider. This has also enabled the Dell OEM team to design solutions specific to the Video Surveillance market. The modern CCTV systems are increasingly IT-centric, and Dell solutions offer IP and standards based, converged, scalable and secure video surveillance solutions, with analytics.
Dell OEM has:
More than 15 years’ experience serving OEM customers
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To get in touch


How We Think
Mister Nerdie believes that access to technology should be widespread and meaningful – The digital divide between the haves and the have-nots only deepens social inequalities.
We would like to democratize the right to repair the devices we rightfully own. We want more people to repair their own devices to minimize electronic waste and footprint, repair and reuse abandoned devices to bridge the digital divide between the wealthy and the poor.
Not to worry, shipping is on us!
Salvaged devices will be donated to kids who need them but cannot afford them.


Prabal K Maiti is a Professor in the Department of Physics, IISc, Bengaluru. He received his PhD in Physics from IIT Kanpur, followed by postdoctoral stays at MPIP-Mainz, the University of Colorado at Boulder, and Caltech, USA. He primarily works in the area of multiscale modelling of soft and bio-materials. Areas of current research interest include structure and dynamics of dendrimers, DNA-based nanotechnology, DNA-dendrimer complexation, and properties of water under strong confinement. He was elected a Fellow of the Indian Academy of Sciences in 2018.
Data Not available
Structure, dynamics and thermodynamics of confined water
Water is the essence of life and various properties of water molecules have intrigued researchers from time immemorial. The speaker studies various translational and orientational dynamics of water molecules confined inside a carbon nanotube using atomistic molecular dynamics simulation and tries to understand the thermodynamics of water entering inside a hydrophobic nanotube by calculating the Helmholtz free energy of water using two-phase thermodynamic method. Based on these studies, the speaker has proposed a mechanism of water permeation in helium impermeable graphene oxide (GO) membrane using the calculation of potential of mean force (PMF). PMF calculations of the oxidized part of the GO sheets in helium and oxidized part of the GO in water will be discussed highlighting the difference in their permeation path.


The Graphics Processing Unit (GPU) represents a "single-chip processor with integrated transform, lighting, triangle setup/clipping, and rendering engines”. In the financial sector, the potential of this resource could be used to improve financial computing, as faster pricing gains more revenue, better modelling contributes to less risk, and maximizing resources enhances efficiency. Nowadays, GPUs enable the calculation, simulation and prediction of prices and risks for complex options, OTC derivates and exotic option instruments, in seconds, rather than minutes or even hours. The architecture of the GPUs makes it possible to run several simulations simultaneously, thereby increasing the quality of the results. With more confidence in the data, it is possible to offer tighter spreads and gain competitiveness. GPU even provides the means to run complex models, that could not have been ran up until now. Results of very complex models can be obtained in real/near time, rather than overnight, which provides deeper insight into exposures, and thus make it possible to rapidly adjust positions and reduce risks.
In the GPU Demo, one can view the phantoms, i.e. two 3D graphics of a human breast, that are comprised of coloured spheres, that represent regular cells and black spheres that represent breast cancer cells. Phantom 2 is the final, complete stage of the filling process of the semi-cylinder with spheres. The entire shape can be rotated, zoomed in and out, and disassembled into smaller parts, allowing all spheres to be pulled out and back again into the semi-cylinder.
For more information, see


You can’t connect a Bluetooth speaker to your PS4 wirelessly — here are 2 other ways to connect speakers
You can’t wirelessly connect a Bluetooth speaker to a PS4. Here are two other ways to connect speakers.
- You can’t wirelessly connect a Bluetooth speaker to your PS4, but there are other ways to do it.
- Most Bluetooth speakers have an extra output that you can use to connect to the PS4 with a 3.5 mm audio cable.
- To connect your speaker to your PS4, plug it into the 3.5 mm input on the DualShock controller and make sure the Settings are set up to play audio from the controller.
- You can also connect a speaker to your TV, and it will play sound automatically through the HDMI connection on the PS4.
- Visit the main page of Business Insider to read more stories.
Your PS4 can’t connect to Bluetooth speakers, which is too bad.
Most Bluetooth devices don’t work with Sony’s PS4. If you want to connect Bluetooth headphones to your PS4, you’ll also need to make sure they’re a certain type.
But you’ll need to use other ways to connect speakers. Here’s what you need to do.
Check out the products that this article talks about:
You can’t connect a Bluetooth speaker wirelessly to your PS4, but you can use these other ways.
You can also connect speakers to your PS4 in two other ways:
- With an audio cable, you can connect your speakers straight to your PS4. Even Bluetooth speakers usually have a wired output, so this method should work with almost any speaker.
- You can hook up a speaker to the TV your PS4 is hooked up to. Depending on what your TV can do, you can use an audio cable or Bluetooth to connect the speaker to it. If your PS4 is connected to a TV through HDMI, it should automatically play sound through the TV’s speakers.
How to use an audio cable to connect a speaker to your PS4
The easiest way to connect a speaker (Bluetooth or not) to your PS4 is to use a 3.5 mm audio cable to connect it to your DualShock controller.
1.Plug a 3.5 mm audio cable into your PS4 controller’s port and connect the other end to your speaker’s output.
Use the 3.5 mm input on the controller to hook up a speaker to your PS4. Dave Johnson/Business Insider
2.Select “Settings” on the controller.
3.Choose “Devices,” then “Audio Devices.”
4.Click “Output Device” and make sure “Headset Connected to Controller” is selected, if it isn’t already.
Make sure that the Output Device option is set to “Headset.” Dave Johnson/Business Insider
5.Click “Output to Headphones” and make sure “All Audio” is selected.
You can choose to send all sound to the controller’s headphones jack. Dave Johnson/Business Insider
When you now use the PS4, the sound should come out of the speaker.


DC 24V 1/5M 5050 SMD 60led/M LED Flexible Light Strip Car Lamp Birthday Party
DC 24V 1/5M 5050 SMD 60led/M LED Flexible Light Strip Car Lamp Birthday Party. LED quantity: 60LED(1M) / 300LED(5M). LED type: High quality 3528/5050 SMD LED, high intensity and reliability, long lifespan >50,000 hours. Cable length: About 1M / 5M. LED type: 3528/5050 SMD. 5M 16.4ft 12v SMD RGB 5050 IP68 Waterproof 300 LED Flexible Tape Strip Light.. Condition:: New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. See all condition definitions : Brand: : Unbranded/Generic , Output Voltage: : 24V: Features: : Changes Colors, Dimmable, RGB, Waterproof , Power Source: : Corded: LED Chip Code: : 5050 , Room: : ALL: Light Source: : LED , Shade Shape: : Rain Drop: MPN: : Does not apply , Shape: : Rope/Wire: Number of Lights: : 60/300 , Size: : 1m/5m: Occasion: : Christmas, Multipurpose, Party, Wedding , Type: : Indoor/Outdoor .


taegyun dot kim at nyu dot edu
I am a PhD student in the department of Computer Science at New York University, advised by Prof. Anirudh Sivaraman. Before PhD, I worked at Google NYC from 2015 to 2019. I received B.S. in Computer Science from Carnegie Mellon University. My research interests are computer systems and networks.
Switch Code Generation using Program Synthesis. Xiangyu Gao, Taegyun Kim, Michael Dean Wong, Divya Raghunathan, Aatish Kishan Varma, Pravein Govindan Kannan, Anirudh Sivaraman, Srinivas Narayana, and Aarti Gupta. SIGCOMM 2020
Autogenerating Fast Packet-Processing Code Using Program Synthesis. Xiangyu Gao, Taegyun Kim, Aatish Kishan Varma, Anirudh Sivaraman, and Srinivas Narayana. HotNets 2019
Senior Software Engineer
Software Enginer Intern


|Dimensions||56.7 × 27.6 × 50.6 in|
57″ Adjustable Height Desk with Wireless and Wired Charging Connections.
The ERDS1-01B adjustable height desk features a front charging panel that provides convenient access to two USB-C ports and a USB-A port, delivering 100W of total power. Innovative wireless charging automatically lifts and rotates your phone toward you when charging. The best-in-class cable management system helps to conceal and route cables for a premium finished look. Integrated 7-outlet power strip provides convenient power for your office devices. Adjustable legs ensure easy sit or stand mode adjustment with anti-collision technology. The built-in drawer offers storage space for small office supplies or accessories.
- Innovative wireless charging automatically lifts and rotates phone toward you
- Front charging panel provides convenient access to two USB C ports and 1 USB A port, delivering 100W of total power
- Best in class cable management conceals and routes cables for a premium finished look
- Integrated 7 outlet power strip provides convenient power for your office devices
- Adjustable legs allow desk to easily adjust to sit or stand mode wile featuring best in class anti-collision technology
- Built in drawer allows convenient storage and access to a variety of smaller accessories
“We also love that it has all our power issues in mind, with a built-in 15W wireless charging pad that will raise out of the desk to face you when you place your phone on it — something not found on even our favorite tested models.”
“There’s little better than when design and function come together in a beautiful blend, and that’s exactly what’s happening with ErgoAV’s first-ever standing desk.”
“You’ll also go “whoaaaa” like I did when you place your phone on the wireless charging base, as it will automatically spin and tilt up toward you, making it easy to see notifications and recharge your handset at the same time.”
There are no reviews yet.


The Premium button battery is a compact, light and economical alkaline battery with a nominal voltage of 1.5V. The LR (alkaline) battery is less expensive than SR (silver oxide) batteries and is practical for a wide variety of portable electronics, ranging from calculators to small toys to lighted key chains. Premium based on many years of experience and know-how in the field of silver oxide batteries, the LR battery boasts high quality and high reliability.
The button-type alkaline battery uses manganese dioxide (MnO2) as its positive active material and zinc (Zn) as its negative active material. Potassium hydroxide (KOH) is used as an electrolyte.
Maxell | Toshiba | GP | Golden Power
|Model No.||J I S||Cross Reference||Nominal
D x H (mm)
|LR1120||LR55||191, AG8, L1121, G8, V8GA||1.5||0.07||25||0.79|
|LR1130||LR541||189, AG12, L1131, G10, V10GA||1.5||0.10||40||1.05|
|LR41||LR41||192, AG3, L726, G3, V3GA||1.5||0.07||25||0.60|
|LR43||LR43||186, AG12, L1142, G12, V12GA||1.5||0.12||70||1.45|
|LR44||LR44||A76, AG13, L1154, G13, V13GA||1.5||0.12||105||1.90|
|LR50||PC1A, PX1A, LR50, PX1, A1PX||1.5||600||16 x 16.5|
|4LR44||4LR44||PX28A, A544, L1325, PX28L P4034PX||6.0||0.12||118||12.8 x 25.1||9.20|
|A625||LR91||PX625||1.5||15.4 x 6.2||3.00|
|A23G||23A, V23GA, MS21/MN21||12.0||10.15 x 28.3||7.95|
|A27G||27A, MN27||12.0||7.9 x 28||4.90|
|N Cell||LR11||E90, 910A||1.5||12 x 30.2||9.00|
*Disclaimer: Whenever possible we strive to utilize the best quality brands for each model. Limited exceptions occur for very minor models which may not be available from any first rate manufacturer.


- 1.★Dimmable:Adjust the brightness via the dimmer or your phone,works with Amazon Alexa and Google Assistant.To dim/brighten or on/off your light,just say it to your Echo/Google Home.
- 2.★WiFi/4G Remote Control:Control your lights using “Smart Life” APP(iOS or Android) from anytime or anywhere . The APP can be easily shared to your family members. No hub required.
- 3.★Schedule Function:Use schedules to set your switch to automatically turn on and off while you’re home or away. You can even sync lights to adjust with the sunset and sunrise.
- 4.★Ultimate Beauty:Ingenuity design assures highly texture beauty ,Toughened Glass Surface Prevents the scratch from knives or something hard, damp proof available for humid operation.
- 5.★Note:Compatible with incandescent and halogen loads up to 400W, dimmable LED loads up to 150W. Requires a neutral wire / Works in a single-pole setup only (not for 3-way setup)
WiFi Smart Dimmer Light Switch(US)


Apple is readying a next-gen iPad for release in February, a Citi analyst speculates.
After the iPhone 4S debacle with media preemptively incorrectly reporting it as the iPhone 5, the Los Angeles Times is wary to call this the iPad 3.
Such a device would be similar to the iPad 2, but include Apple’s high-resolution retina display technology found on the iPhone 4 and iPhone 4S by doubling the iPad 3′s screen resolution, said analyst Richard Gardner in a research note first reported on by Business Insider and PCMag.
Previous reports had said it would be difficult to include a higher-resolution screen, but the analyst said “there do not appear to be any significant technical hurdles remaining.”
Even with stiff competition from the Kindle Fire, with about 3.9 million units shipping by the end of the year, Apple remains the tablet heavy weight, with an estimated 65 percent market share. One of the most highly anticipated iPad challengers is the Asus Eee Pad Transformer Prime, the LA Times reports, which will have 1280 x 800 pixel screen resolution.


About SciELO Methodology
The access to adequate and up-to-date scientific and technical information is essential for the economic and social development, specially to support decision making process in planning, formulation and implementation of public policies and to support professional development and practice. The results of scientific research are mainly communicated and validated through publication in scientific journals. This is valid for developed and developing countries. However, scientific journals from developing countries face several distribution and dissemination barriers, which limits the access and usage of locally generated scientific information.
SciELO - Scientific Electronic Library Online is a model for cooperative electronic publishing of scientific journals on the Internet. Especially conceived to meet the scientific communication needs of developing countries, particularly Latin America and the Caribbean countries, it provides an efficient way to assure universal visibility and accessibility to their scientific literature, contributing to overcome the phenomena known as ‘lost science’. In addition, the SciELO model comprises integrated procedures for the measurement of usage and impact of scientific journals.
SciELO Model is product of a partnership among FAPESP (http://www.fapesp.br)– the State of São Paulo Science Foundation, BIREME http://www.bireme.br - the Latin America and Caribbean Center on Health Sciences Information, as well as national and international institutions related to scientific communication and editors. A pilot project, involving 10 Brazilian journals from different subject areas, was successfully carried out from March 1997 to May 1998, aimed at the development and evaluation of an adequate methodology for electronic publishing on the Internet. From June 1998, the project begins to operate regularly, incorporating progressively new journal titles and expanding its operation to other countries. Since 2002, the Project is also supported by CNPq http://www.cnpq.br - Conselho Nacional de Desenvolvimento Científico e Tecnológico.
The SciELO Model comprises three components.
The model’s first component is the SciELO Methodology, which enables the electronic publication of complete editions of scientific journals, the organization of searchable bibliographical and full text databases, the preservation of electronic archives and the production of statistical indicators of the scientific literature usage and impact. The methodology includes also journal evaluation criteria based on international scientific communication standards. SciELO full texts are enriched with dynamic hypertext links with national and international data bases, as for example, LILACS and MEDLINE.
The SciELO Model’s second component is the application of the SciELO Methodology to operate web sites of collections of electronic journals. The SciELO Model envisages the operation of national sites as well as thematic sites. The pioneer application is the SciELO Brazil site http://www.scielo.br. Nowadays, Chile http://www.scielo.cl and Cuba http://www.scielo.sld.cu are also operating applications regularly. Several other countries are evaluating and/or being trained on the SciELO Methodology. SciELO Public Health http://www.scielosp.org, a regional thematic library covering Public Health scientific journals from Latin America and Spain, was launched in December 1999. A portal to integrate and provide access to the network of SciELO sites operates at http://www.scielo.org .
The Model’s third component is the actual development of partnerships among national and international scientific communication players — authors, editors, scientific and technological institutions, funding agencies, universities, libraries, scientific and technological information centers etc, aiming at the dissemination, improvement and sustainability of the SciELO Model. The operation of the SciELO network is highly based on national infrastructures, which contributes to guarantee its future sustainability.
The successful development of the proposed SciELO network of Latin America and Caribbean scientific journals in the next years will contribute to make locally generated scientific information readily available, which will ultimately contribute to increase the usage of scientific and technical information on decision making process at different levels.


In the last few years the 3D Printing has been rapidly spreading up to people houses, becoming devices for everyone and not only for professionals (engineers, designers, architects). The development of this technology is comparable to what happened with other electronic products such as PC, Internet, Linux and Smartphones.
The lowering costs, the presence on the market of open-source products and the ease of use have favoured the development of 3D printing in the world.
Most of the printers on the market, including open-source products, makes objects by laying down fused plastic material in layers (FDM). Another type of 3D printers make objects by the photopolymerization of resins (SLA). This technology is faster with better resolution than FDM. Light-based 3D printers are less diffused than FDM because the production costs are higher and materials used are very expensive and could be toxic.
To contribute to the development of this technology we’ll realize a 3D printer (SLA) user friendly and completely open-source. We’ll also develop a new type of biocompatible green resins for innovative uses. Natural oils can be used, for example, as a starting material for the development of the new resins. Furthermore, we’ll search new applications for stereolithographic 3D printer to develop functional materials capable of change form with external stimuli.


In today's fast-paced world, technology continues to play a pivotal role in shaping our lives and influencing the way we interact, work, and experience the world around us. From groundbreaking innovations to transformative advancements, the tech industry continues to astound us with its capabilities. In this blog post, we'll delve into some of the latest technology trends that are revolutionizing various sectors, impacting society, and propelling us towards a more connected and efficient future.
1. Artificial Intelligence (AI) and Machine Learning (ML)
AI and ML have been making significant strides in recent years, making it one of the most transformative technologies across numerous industries. AI-powered solutions are now being employed in diverse fields, such as healthcare, finance, customer service, and manufacturing, among others. The ability of AI systems to analyze vast amounts of data and make intelligent decisions is revolutionizing how we solve complex problems and make informed choices.
2. Internet of Things (IoT)
The Internet of Things (IoT) has changed the way we interact with the physical world. It enables everyday objects to be interconnected and communicate with each other, making our lives more convenient and efficient. IoT applications can be found in smart homes, wearable devices, transportation, agriculture, and even in industrial settings. As IoT technology matures, we can expect to see further integration of devices and seamless connectivity across various domains.
3. 5G Technology
The fifth-generation wireless technology, 5G, has ushered in a new era of connectivity. With its significantly higher data speeds and lower latency, 5G is revolutionizing the way we use mobile devices and connect with each other. The implementation of 5G networks is expected to accelerate the development of innovative technologies such as augmented reality (AR), virtual reality (VR), and autonomous vehicles.
4. Blockchain Technology
Blockchain technology has gone beyond its association with cryptocurrencies and is now being employed in various sectors to ensure transparency, security, and efficiency. The decentralized nature of blockchain eliminates the need for intermediaries in many processes, leading to cost savings and enhanced trust. Applications of blockchain range from supply chain management and digital identity verification to voting systems and intellectual property protection.
5. Renewable Energy Solutions
As the world faces the challenges of climate change, technology has stepped in to offer solutions in the form of renewable energy sources. Solar, wind, and hydroelectric power have become more viable and affordable, transforming the global energy landscape. The integration of renewable energy solutions not only reduces our carbon footprint but also contributes to a more sustainable future.
6. Edge Computing
Edge computing is a paradigm that brings computation closer to the data source, reducing the need to transfer vast amounts of data to centralized data centers. This technology is particularly important in applications that require real-time data processing, like autonomous vehicles, industrial automation, and remote healthcare services. Edge computing enhances efficiency and responsiveness while minimizing latency issues.
The world of technology continues to evolve at an unprecedented rate, offering us countless opportunities to innovate, connect, and thrive. AI and ML are enabling us to make smarter decisions, while IoT is turning the concept of a connected world into reality. 5G is revolutionizing communication, blockchain is redefining trust and security, and renewable energy solutions are powering a sustainable future. Edge computing, on the other hand, is enhancing efficiency and enabling new possibilities.
Embracing these latest technology trends can lead us towards a future that is not only more advanced but also more sustainable and inclusive. As these technologies continue to mature, it's essential for individuals, businesses, and governments to adapt and harness their potential responsibly. By embracing the power of technology while being mindful of its impact, we can build a better world for generations to come.


While fiber optic fibers have been around for a long time, studies show that a lot of people have little information about them. To help you out, here are some of the things you need to know about the cables: They are of different types. First of all, it’s good to define what optical fiber coloring machine are. These are units that are made from glass or plastic filaments and they are utilized to carry light signals from one place to another. They are of two main types: single mode and multimode. The single mode units carry light down a single path usually called the fundamental mode. Single mode fibers feature a core diameter of 8-9 microns. While they are small, their main advantage is that you can use them to transmit light over long distances.
Multimode fibers, on the other hand, allow light traveling down multiple paths. They have a core diameter which is between 50 and 62.5 microns. Since light travels in different paths and the diameter is big, these products are ideal if you use them to transmit light over short distances. Usually, in a building.
The fibers require regular inspection. Just like any other units which you may be having, you have to regularly inspect the optic fibers to ensure that these are running properly. If you possess the skills you need to inspect the units on your own but when you don’t possess the skills you need to hire a professional to assist you. During the inspection, you need to use certain tools. One of the most common tools that you can use is the optical power meter. This unit measures the brightness from the optical signals and offers the brings about milliwatts or dBm.
Another tool which you can use will be the optical time-domain reflectometer (OTDR) that works by injecting a series of light pulses in to the optic fiber strand. The unit then analyses the volume of light which is reflected back. You can use the data which you gather to characterize the optic fiber.
Cleanliness is of great importance to optical fiber ribbon machine. During installing of the fibers, you should seriously consider cleanliness. According to experts, even minor dirt on the units can prevent them from running efficiently. Because of this, you should make certain that no dirt gets on the fibers. To keep the units clean you need to regularly clean them with specialty kits designed for the task. Here is the great news though. Developers have found that PF amorphous polymer based gradient-index plastic optical fibers eliminate the attenuation downside to PMMA based plastic fiber. They have got developed PF-polymer based Gradient-Index (GI) POF with attenuation amount of only 10 dB/km. According to theoretical calculation, PF-polymer based GI POF can achieve similar degree of attenuation as silica-based glass fiber of .3dB/km.
In fiber optic networks, OTDR (Optical Time Domain Reflectometer) is surely an opto-electronic instrument utilized to characterize an optical fiber. OTDR is the best known and least understood fiber optic instrument. OTDR fails to measure loss, but rather implies it by studying the backscatter signature in the fiber. It will not measure cable plant loss that can be correlated to power budgets.
An OTDR injects a series of optical pulses in to the fiber under test. In addition, it extracts, from your same end of the fiber, light that is certainly scattered back and reflected back from points in the fiber in which the index of refraction changes. This working principle works just like a radar or sonar, sending out a pulse of light from the very powerful laser, that is scattered through the glass drvunx the core from the Secondary coating line. The power of the return pulses is measured and integrated as being a function of time, and is also plotted being a purpose of the fiber length.
An OTDR may be used for estimating the fiber’s length and overall attenuation, including splice and mated-connector losses. It may also be used to find faults, like breaks. Using a optimized refractive-index profile in the PF-polymer based GI POF, more than 10Gb/s data transmission speed can be accomplished over 1km. This is actually the metrics of PF-polymer’s low intrinsic loss and low material dispersion. Coupled with this theoretically possible high bandwidth and low total link cost, PF-Polymer based gradient-index plastic optical fiber has a huge potential in fiber optic data communication applications.