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

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

Playing polyphony Happy birthday theme on Arduino Nano with three buzzers on a single mini breadboard.

I made this little FM Radio using an RDA5807M FM tuner module and an Arduino Nano.

Every now and then, we find some cool stuff that we just absolutely have to try for ourselves.

I think adding Bluetooth to everything in my life has become a problem, I'm working on it.

A simple yet functional button based MIDI piano.

Make your own clock module for your modular synthesizer!

Create your own little disco!

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

Whats cooler than flashing LEDs? Flashing LEDs to a song with (drum roll please).... a tone!

Music by Fitz and the Tantrums played on 3 piezo buzzers using an Arduino Nano (clone).

Simple, easy to build 2 x 14 bars stereo VU meter for representing audio level.

Make the simplest ISD1700 programmer using Arduino.

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

This project adds a "roger beep" function to any Icom amateur radio transceiver equipped with a 13-pin accessory port.