555 Timer IC Projects

Annoying TV Sound Circuit

Annoying TV Sound Circuit

Have you ever heard that ringing sound coming from an old TV? Well, that never happens anymore because TVs today use LEDs or other advanced technology. That old high-pitched whine...

Posted by Connor

Categories: Electronics | No Comments


Game Show Buttons

Game Show Buttons

In this project, taken from Charles Platt’s book Make: Electronics, we’re going to breadboard a fairly complex circuit using 555 timers and an OR logic gate. Using these and some...

Posted by Steve Hobley

Categories: Electronics | 2 Comments


555 Timer Ball Whacker

555 Timer Ball Whacker

This project uses a simple 555 timer chip and a feedback loop to control a servo-controlled wooden arm. Whenever an object comes close to a photosensor mounted on the end...

Posted by Steve Hobley

Categories: Electronics | 1 Comment


Dish-O-Tron 6000

Dish-O-Tron 6000

I’m absentminded in general, but especially when it comes to the dishwasher. I can never remember whether the dishes are clean, whether the machine needs to be run, or emptied,...

Posted by Quinn Dunki

Categories: Computers & Mobile, Electronics | 1 Comment