Control a Servo Motor Without Programming
Learn how to control a servo motor with a dial and a simple circuit.
Soldering iron
Alarm Purse
By Norene Leddy with Ed Bringas and Johana Moscoso The Alarm Purse is a simple, fashionable way to add an audible alarm to your handbag. Tuck it away when you don’t need it (so it won’t go off by accident) and quickly hook it up when you do. The latest addition to the ongoing Aphrodite […]
Floating Glow Display
Using this simple technique, you can etch a design into a thin pane of clear plastic sheeting, then enclose the edges of the plastic with reflective tape and embed a battery-powered LED. The resulting design appears backlit and hovering in mid-air, with a laser-like textured glow that photographs cannot do justice to. Check out more […]
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.
Whack-a-Mole Game
Jim Chen designed an excellent electronic “Whack-a-Mole” game using 555 timers, LEDs, and bent-diode touch sensors, that you can build on a solderless breadboard
Beating Heart Pendant
While reading through Charles Platt’s excellent book Make: Electronics, I came across this nice little circuit for making a gentle pulsing LED. I was struck by the “humanness” of the pulse, but couldn’t figure out what to do with it. Later I found a heart-shaped tag on some pants I had bought, and well, this […]
