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.

Imitate musical instruments and make music with an Arduino and only few external components!

Make your own clock module for your modular synthesizer!

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

Create your own little disco!

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

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

This project is nothing more than an adaptation to the WS2812B led matrix of the original project based on MAX72xx published by Shajeeb.

Make the simplest ISD1700 programmer using Arduino.

VFO/RF generator for use in homebrew radio equipment such as direct conversion and superheterodyne receivers or ham transmitters.

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

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

3 Oscillators Polyphonic Synth with MIDI using the Arduino Nano.

Very simple audio analyzer with changeable visual modes.

A simple DIY project which can be done by anyone!!!! Make Arduino Nano sing your favorite songs with a buzzer!!!!

Arduino-based digital hardware synthesizer modules. Goal was to design something to be cheap and super easy to build. First iteration.

Visualizes the peak of frequencies with different bars on 8*8 led dot matrix using Arduino Nano.

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

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

Simplest Arduino "talking" clock suitable for people with weak or damaged eyesight.

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