Infinity Light
Convert your DC motor into a dynamo and use it to generate light without batteries. All you need is some capacitors, a DC motor, diode, wire, gear system and LED. To make it light all you need to do is spin your dynamo.
LED
Audio Spectrum Analyzer
As complicated as I thought this would be, this circuit is using the basic fundamentals of electronics and algebra. The only hard part is perfecting it and expanding it. Click here to see the finished project.
Reaction Timer
Make: Electronics is an electronics primer for the early 21st century. It’s written for the absolute beginner and all those who’ve wanted to learn electronics. Those who’ve wanted to build all the cool kits out there, or to try their hand at programming microcontrollers, but who’ve found themselves intimidated by existing books and online resources […]
Teleclaw: Remote Robot Gripper
It might have been Robots of Saturn that first got my young brain thinking about building a mechanical man. In that obscure 1962 sci-fi adventure novel, Dig Allen and his fellow teenage space explorers transfer their thoughts into the bodies of teleoperated robots to mine Saturn’s dangerous rings for precious Methane-X. Using some of my […]
WireFinder 9000
By Christie, Jim, John, and Terry Noe Our dog, Maggie, loves to run around in our big yard. But how do we fence her in? Building a 500-foot fence is expensive and unsightly, so we use an “invisible fence.” This is a buried wire that runs around the edge of our yard. Maggie wears a […]
Simple Laser Communicator
Talk in secret over your own private laser beam link.
The Luna Mod Looper
The Luna Mod is an easy and fun instrument that will have you making great-sounding loops in no time. Rather than sampling input like a traditional loop station, the Luna Mod synthesizes its own sounds, and you play it using two knobs and one button.