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

Today I will show you how to make your ultrasonic levitator using an Arduino Nano.

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

Make the simplest ISD1700 programmer using Arduino.

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

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

Unlimited MIDI channels, XY plotter, faders, buttons, and settings. Also visual support with OLED display!

A simple yet functional button based MIDI piano.

WS2812 LEDs in drums!

Small and handy radio for your little ones. Let them play their favorite songs or fairytales. And that all in the wooden box!

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

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

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

The project is a prototype of a keyboar that has the learning of the braille symbols for letters and numbers as main goal.

After 20 years, my underground school rock band reunited for a few concerts and I've decided to develop a small Arduino jukebox.

Using an Arduino Nano on an expansion board with push-buttons, one to play a sound and the other to select a sound effect from a WT588D.

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

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

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

Create your own little disco!

Live performance oriented sequencer / arpeggiator for multiple synths control.

Make your own clock module for your modular synthesizer!

Using my cable TV remote, I can control the volume and select either TV or radio input to my hi-fi system with this little box.

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