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

This is a another version of a music LED strip using Arduino Nano and an Electret Mic/Max4466 Amplifier.

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

Lets make a programmable guitar pedal, using all the power from the Arduino DUE board with 12 bits ADCs, DACs and RAM memory.

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.

Create a Bluetooth MIDI controller with an Arduino 101.

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

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

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

A simple FM radio with a display that shows the frequency and audio amplifier.

An octave of bananas makes a piano!

A musical arm used to play 7 'sur' using only three fingers!