555 – Electro Bob

555 class D amplifier

By electrobob February 28, 2011 February 8, 2017 Projects

Building a 555 based class D amplifier, even building the 555. Continue reading

Secret knock detector with 555

By electrobob February 28, 2011 February 8, 2017 Projects

Detecting a secret knock pattern using 555’s. Continue reading

555 / 556 H bridge

By electrobob February 22, 2011 February 8, 2017 Ideas and Articles, Projects

Simple H-bridge using 555’s. Continue reading