As we all know, wearing a helmet is mandatory in most countries, including India while driving a vehicle, not just because of ...

The transmitter and receiver For the transmitter, he turned an Arduino Pro Micro into a USB ... You could wire a bunch of them to a Raspberry Pi to make a piano interface. Or you could use a ...

requiring a LM386 amplifier and LM393 comparator to create a clean signal for the second Arduino to read. But how does it work? Looking through the source code for the transmitter and receiver ...