For use in DIY homebrew radio equipment such superheterodyne single/double conversion receiver, SDR, HAM QRP transceivers or RF generator.

We want to help people who are unable to communicate verbally and cannot use sign language by providing a wearable “eye-to-speech" solution.

FM radio built using Arduino, RDA5807M, Tiny RTC, PAM8403 class D amplifier modules, and TR028 touch panel.

Make FM Radio full function by RDA5807M and arduino nano. Control by touch button

This project is for making a 32-band audio (music) frequency spectrum analyzer / visualizer using Arduino.

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

A small noise/drone synth with percussion mode. Made using the Mozzi library and two Arduino Nanos.

See how an Arduino can be transmit music over AM with only a few lines of code.

Covers all commercial stations with Si4730 IC, plus all amateur radio bands when you use Si4732 or Si4735.

GuitArnet is an Arduino-based simple MIDI guitar with pitch, power chords and minor pentatonic connected to Ableton Live through MIDI.

USB MIDI Synth with retro Sega Genesis and other systems sound chip

An easy to build and use stereo RDS FM receiver with RDA5807.

Use your TV's IR remote to control the volume and mute of separate speakers without using the speaker's remote.

Nice little all-band radio easy to build.

Ukulele illuminated by LED elements w/ illumination depending on result of FFT analysis of ukulele's sound.

Simple Arduino-based "World Band" radio receiver with very good characteristics.

Build an "invisibe" expression pedal for your guitar with MCP41010 and Arduino Nano. It's awesome and simple. May the funk be with you.

Arduino TEA5767 radio with analog meters for showing frequency and signal strength.

Musical instrument for multiple users – with Arduino, nRF24L01, MPR121 and MPU-6050 connected to Pure Data Vanilla.

The device that creates beautiful arpeggiated sequences according to the musical theory.

This Tesla Coil has been modified so that the spark "sings" melody generated by a sound source.

Piezos used as contact microphones to activate LEDs and shine lights through Samba drums.

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

This project presents program to detect musical notes and chords using Arduino (nano or above).