Introduction: 555 Timer Piano

About: I'll be doing lots of interesting things here, but mainly :electronics (arduino, analog and digital), computers (old and new), programing (C# and python), linux (administration and hacking). Geeky enterteinmen…

In this instructable i will show you how to build small 555 timer based piano


every part is on the schematic

Step 1: Build It

Circuit is very easy to build but you need to keep track of the resisitor that are connected to button beacuse they define the tone that is coming out of oscillator

Step 2: Test It

It should output square wave and you can play some music with it even !