Jaroslav Pešek

Jaroslav Pešek

Jaroslav Pešek
More ideas from Jaroslav
How to make an electronic piano with a 555 IC

In this instructable i hope to be able to show you how to make a simple toy piano using a 555 timer ic and a few basic components. This my first electronics project.

USB Volume knob

A USB volume knob enables you to finely tune your music on your computer. Rather than using the keys on the upper right side of my macbook's keyboard I like to use a physical knob. I decided to make my own :)(TfCD)