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 ultrasonic ...
AM radios are relatively simple devices, and building one is a good way to start exploring the world of radio communications. [GreatScott] does exactly this in the video after the break, building both ...
This infrared tranmitter is intended for use with this infrared receiver. It works with 2 – 1.5V batteries or a 3V lithium battery. To give a compact infrared device assembly and still a good ...
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