Arduino-Distance-Sensor-Passive-Buzzer An Arduino-based music project using a distance sensor to measure finger position and play corresponding notes of the 6th guitar string (E). Features a passive ...

Piezo-Buzzer with a Proximity-Controlled Tone For-fun experiment with an Arduino UNO, where a passive piezo-buzzer’s pitch is controlled by an ultrasonic sensor (HC-SR04).

In this tutorial, we are going to look at another method of proximity detection using microwaves and the Doppler Effect. As advanced as this sounds, it can be accomplished easily using a cheap sensor ...

The device he’s holding in the picture is an Arduino based accelerometer and distance sensor meant for the Scratch language. Scratch is a programming language developed at MIT.