How to Make Wireless Power Transmission In this video you will see how to make a simple wireless power transmitter and receiver. For this project you need enamelled copper wire 0.4-0.6 mm, 2N2222A ...

It is possible to switch between 'Transmitter mode' which can play music simultaneously with up to two Bluetooth speakers, and 'Receiver mode' which can receive voice of up to two Bluetooth-compatible ...

This series of projects explore concepts of radio communications. We use LEDs to generate (very high frequency) radio waves and photo-resistors to take the place of radio antennas. These ideas are ...

For decades, computing followed a simple rule: Smaller transistors made chips faster, cheaper, and more capable. As Moore's law slows, a different limit has come into focus. The challenge is no longer ...