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Making Six Channel High Powered LED Controller Shield

Making Six Channel High Powered LED Controller Shield

This project uses IRLB8721PbF MOSFETS. These particular devices are good for the Arduino because the base current required to fully open the gate is less than 5v. I chose to use a power supply case to house this project. The built in fan will supply plenty of airflow over the heatsinks attached to the MOSFET’s. […]

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Tacit: A Haptic Wrist Rangefinder

Tacit: A Haptic Wrist Rangefinder

[vimeo http://www.vimeo.com/34814398 w=560&h=315] 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 vision-impaired people […]

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Solar Buzzing Beetle

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.

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Bug-in-a-Book

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 dust cover, and you’ll have […]

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