A stereo VU meter built with an Arduino Nano and two NeoPixel LED rings.

For a digital Christmas, let your Arduino play songs with a piezo buzzer.

This project uses an Arduino, a drawn keyboard using lead pencil, a paper, and a speaker.

Build a real, playable theremin music instrument. The theremin is played using two antennas without physical contact.

A simple Arduino Morse code machine with a button, LED, and a buzzer that translates your input into English while you are typing.

A simple sound monitoring system using a microphone and a small amplifier with LM386.

It detects a beat in a line level audio signal.

This trick teaches you how to use Micro SD/SD card for Arduino and speaker.

Create a Bluetooth MIDI controller with an Arduino 101.

Library & sketches to control the TEA5767 FM radio module, using Arduino and an I2C LCD display. Release 02.00.00 is an arduino library.

I wasn't happy with the way the square waves sound, so I explored using other methods of generating sound waves with Arduino.

In this project, you're going to learn how you can play your own melody with a Piezo speaker, using code generated by Circuito.io

Type Morse code on Arduino and display it on your computer's monitor.

Building a MIDI instrument.

This project started from FabLab of Boilchon High School. Turning the button changes the sound.

It repeats your voice.

This editor can be used for all DART based controllers. the layout, wich represents the real machine, can be personalized and saved

Combining multiple tones and create harmonic melody.

Trying to find a way to surprise your friend on their birthday? Searching for a creative way to celebrate Christmas? Look no further!

A musical robot for Christmas

Most easy way to make crossfader with Arduino.

Here I've made a playing time counter for these cartridges.

Arduino playing the Waldir Azevedo's musical theme "Brasileirinho" with the tone function and with a speaker.

A theremin made out of two ultrasonic sensors.