Most often ultrasonic transducers are used for distance measurements, and in the DIY world, usually as a way for robots to detect obstacles. But for a weekend project, [Vinod.S] took the ...
building both a transmitter and receiver. At the most basic level, AM radio works by generating a carrier wave with an oscillator, and then modulating the amplitude with an audio signal.
He designed a transmitter to send and a receiver to detect radio waves. By the end of the century Marconi had managed to send signals over several miles with no wires, and the idea was taking hold ...
The DJI SDR offers flexible wireless video transmission, easy setup, and multiple connectivity options for versatile video ...