Make Lightning
I have been fascinated with arcs and sparks, bangs and pops ever since I created an arc with a busted power adaptor. One day I thought about making a proper “big boys’ toy” that would be safer and more convenient.
Wire strippers
Energy Harvesting DC:DC Converter
Energy harvesting is all the rage, so bring on your lemon batteries, thermocouples, minuscule solar cells, dirt batteries, and tree batteries. This circuit can convert them all to useful voltages. This is still a new, cutting-edge circuit. There’s only one commercial integrated circuit out there that will do the same thing: the LTC3108. But, if […]
Haunted Coffin Card Holder
Build a coffin-shaped card box. Cards get inserted, the spirits get excited!
Radar Speed Detector
Turn a Hot Wheels toy into a versatile
radar gun.
The Illuminometer Pod
Hack an iPod and a garden light, and make yourself a simple light meter!
Balloon Imaging “Satellite”
Snap aerial photos from 300′ up by suspending a hacked camera from 3 helium balloons.
10-Rail Model Rocket Mega-Launcher
Make the cub scout rocket derby a blast.
