Re-create a classic electronic instrument with Sparki's ultrasonic sensor


Lessons You Should Know



A theremin is a musical instrument that is played by holding your hand in front of a sensor. The farther out from the sensor, the higher the tone.

Today, we’re going to make Sparki into a theremin, using the ultrasonic range finder as input, and the buzzer as output.


What You’ll Need


How It Works

This program makes Sparki into a theremin, using Sparki’s ultrasonic distance sensor to measure the hand distance, and the buzzer to play the tone:


If you have enjoyed what you have learned here, and if you have not read it yet, you may find the other lesson about making music interesting: Making Music with the Accelerometer.