DIY Arduino radar with display 10:27 am March 6, 2019 By Julian Horsey Makers, Arduino enthusiasts and students looking to learn more about ultrasonic sensors, may be interested in this DIY ...

A slide is moved up and down the fretboard by the player. The EV3 controller detects the position of the slide via an ultrasonic sensor, and uses this to determine the fret the user is trying to play.

This ultrasonic radar project is from [mircemk] who uses a small ultrasonic distance sensor attached to a rotating platform. A motor rotates it around a 180-degree field-of-view and an Arduino ...