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Human Exposure to Mobile Phone EM Radiation

In many countries, over half the population uses mobile phones and the market is growing rapidly. Mobile phones emit electromagnetic radiation in the microwave...

Simple Light and Sound Indicator for Mains Power Supply

While repairing or installing electrical machines in a building, the AC mains power supply is switched off from the mains electrical switchboard installed outside...

Conformal Coating for PCB-Based Electronic Circuits

Before electronic circuits based on printed circuit boards (PCBs) found their advent in industrial applications, electrical conductor wires were protected against short-circuits by applying...

How To: Build a radio in less than 1 minute

This video shows how to build a radio in less than 1 minute. There's even a schematic in the end of the video, plus...

Part 4 of 4: Defence Lasers and Optronic Systems: Gas Laser...

Carbon dioxide laser-based range finders and laser radar and helium-neon laser-cavity-based ring-laser gyroscope inertial navigation sensors are among the common military applications exploiting use...

“Wearable devices are intensely personal”

Q. What is the most important design characteristic of a wearable device that an engineer should keep in mind? A. An important characteristic that influences...

Internet of Things and Big Data: Predict and Change The Future

By Dilin Anand and Anagha P Branded as the most over-hyped technology by Garner’s hype cycle report, the Internet of Things (IoT) has seen a...

“We Have Always Gone Towards Higher & Higher Integration”

Power and automation are two areas that stand to see significant gains from modern sensor, processing and communication technology. Vivek Sharma, regional vice president, greater...

How To: Shrinkify Your Arduino Projects

If you have a simple Arduino project that uses only a few pins, you might be able to shrink it down to a single...

DIY: Turn your old Hard Drive into a Speaker

Use your old hard drive to turn into a Speaker with this Do It Yourself video. Courtesy: afrotechmods