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

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

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

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

3 Oscillators Polyphonic Synth with MIDI using the Arduino Nano.

This project will teach you how to build the hardware for your own DIY granular synthesiser!

Nice little all-band radio easy to build.

DIY AM/FM/SW/ DSP radio receiver, using Arduino Uno/Nano and a color display TFT ST7735 1.8in.

Contains a linear scale in which the frequency is displayed with an color LED dot which is an integral part of the WS2812 LED strip.

A device to translate sign language to speech

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

Cool MP3 player for little kids based on RFID cards with integrated speaker.

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

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

Very simple audio analyzer with changeable visual modes.

Tutorial on making a continuous touch keyboard that can play any frequency between the specified range.

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

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

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

Use a vintage rotary phone dial to control the volume on your Windows PC.

An old Atari Paddle Joystick modified into a chiptune sequencer machine.

An Arduino powered Device for mute/mute and deaf persons

Based on Roald Dahl short story, this machine will let you "hear" plant mood according to soil moisture.

My microtonal Arduino MIDI instrument!