In the video after the break, [Eduardo] demonstrates his extremely simple setup for using ultrasonic transducers for one-way data communication ... it gets. The transmitter Arduino breaks down ...

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

Amateur radio operator [KE4FOX] wanted to build his own 2M fox hunt transmitter for use at ... that the level shifter he used on the Arduino’s 5 V data didn’t work as expected and it was ...