Tacit: A Haptic Wrist Rangefinder

Tacit is a wearable system that translates the distance to anything you aim your hand toward into pressure on your wrist. The closer the object, the greater the pressure. Sweep your hand around, and the device conveys to you a tactile image of your surroundings. I designed Tacit to help... Read more »

Solar Buzzing Beetle

In these instructions, I teach you how to make a vibrating little cute buzzing humming beetle robot. This is great for beginners because of the simple circuit and low parts cost. Read more »

Bug-in-a-Book

In this fun and easy project (which originally appeared in the Spy Tech edition of Make Magazine), you’ll connect a shirt-pocket “amplified listener” hearing aid with an in-car FM transmitter to create a wireless bug. Then you’ll tuck them inside a hollowed-out book with the microphone (mic) concealed by the... Read more »