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

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

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

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

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.

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

Make your own clock module for your modular synthesizer!

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

Make the simplest ISD1700 programmer using Arduino.

Create your own little disco!

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

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

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

3 Oscillators Polyphonic Synth with MIDI using the Arduino Nano.

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

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

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

Very simple audio analyzer with changeable visual modes.

8Bit Digital Delay / LO-FI Bitcrusher / Reverse Speech DSP Pedal Effects for Guitar, Voice, Synths, etc.

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

An Arduino powered Device for mute/mute and deaf persons

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

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