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.

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

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

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

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

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

Make an alarm sound when the computer stops working.

Live performance oriented sequencer / arpeggiator for multiple synths control.

Infinity mirror VU meter music equalizer is inspired by our infinity mirror clock project and we present it to our precious viewers.

A retro radio made with Arduino and DFPlayer Mini for my two-year-old niece.

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.

It's a door bell with 48 melodies. It's a reverse engineering project. The initial project was made with 6802 microprocessor!

WS2812 LEDs in drums!

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

An internet radio player and DLNA audio renderer all in one.

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