Building a Doodle Bot Kit

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  • 12/18/2012 @ 11:04 pm

The Doodle Bot is a simple robot kit for beginners that can draw pictures and write text messages with a pen. Sample code allows the robot to write messages created by the user. The size of the writing can be changed. The Robot is programmed using the Arduino IDE and... Read more »

Geiger Counter Kit


Commercial Geiger counters can cost hundreds of dollars. Build your own at a fraction of the price! This easy-to-solder kit can be built in an evening and it works just like you think it would; clicking and blinking in the presence of radiation. Just follow the instructions here to build... Read more »

Pop-Pop Steamboat


When you picture a steam engine, you likely imagine a giant cast-iron contraption festooned with knobs, valves, gauges, linkages, and wheels. This steam-powered toy boat has no moving parts and needs only a flame and the surrounding water to zip around and make its distinctively happy sound. My interest in... Read more »