Play Super Mario Bros theme song on a piezo buzzer! It’s very simple and fun, and great as a beginner Arduino project.

From Siri to Amazon's Alexa, we're slowly coming to terms with talking to machines. Build your own voice command device with this tutorial.

Homemade theremin for a glove using Arduino Nano, light sensor and piezo.

We're showing how to use KY-038 Sound Sensor using Arduino. You can control LED by clap with the help of Arduino and sound sensor.

A discussion about digital sound synthesis.

Countertop lighting? No problem!

My project is a button controlled siren with different LED transitions. You can change the siren sound with each press.