LED Projects

Geiger Counter

Geiger Counter

This DIY Geiger counter clicks and flashes an LED each time it detects a radioactive particle. It works with most common Geiger–Müller tubes, and easily connects to radiation rate meters,...

Posted by John Iovine

Categories: Science | No Comments


Space Invaders Tote

Space Invaders Tote

The Space Invaders are sensitive to the electromagnetic waves of mobile phones. When in close proximity to a mobile phone, the Space Invader is energized by an incoming call and...

Posted by Syuzi Pakhchyan

Categories: Electronics, Sewing | No Comments


Lawnbot400

Lawnbot400

I have always hated mowing the lawn. I was the guy who only mowed when the grass got to be 6" taller than the neighbors’ lawns — not because I...

Posted by J D Warren

Categories: Arduino, Electronics, Robotics | No Comments


Wind-Triggered Lantern

Wind-Triggered Lantern

Create a little magic in your yard with this flickering garden lantern triggered by the wind, made with spare parts you probably have lying around your house.

Posted by Morten Skogly

Categories: Fun & Games | No Comments


LED Throwies

LED Throwies

Make and toss a bunch of these inexpensive little lights to add color to any ferromagnetic surface in your neighborhood.

Posted by Graffiti Research Lab

Categories: Electronics | No Comments