Build the Rovera 2WD Robot
This guide covers the assembly of the 2WD Rovera Robot.
Continue ReadingThis guide covers the assembly of the 2WD Rovera Robot.
Continue ReadingAt normal listening distances, an array of twelve speakers arranged on the faces of a dodecahedron is a very good approximation of a point sound source, and the sound waves it produces are very close to perfectly spherical. A dodecahedron speaker can be a useful tool in acoustics research, and is definitely a fun toy […]
Continue ReadingThe Doodle Bot is a simple robot kit for beginners that can draw pictures and write text messages with a pen. [youtube http://www.youtube.com/watch?v=jmq3s2o9vkE?wmode=opaque&w=560&h=315] 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 a USB cable. […]
Continue ReadingMaking a yarn dispenser from your favorite VHS cassette takes only 5 minutes with this guide from Skeined Productions.
Continue ReadingAfter seeing one of those pens that shocks you, I thought about putting something like that into a mouse as a joke. But mixing computers and high voltage is not such a good idea. The idea of using a vibrating motor from an old pager came to mind. So with an old pager, a mouse […]
Continue ReadingBack in the 1970s, my friend Wayne Gillis and I used to do light shows at science fiction conventions. We had the usual panoply of overhead, slide, and custom-made projectors, and a single, very expensive, helium-neon laser from Edmund Scientific. Calling ourselves Light Opera, and later, Illuminatus, we performed at ConFusion conventions in Ann Arbor, […]
Continue ReadingOne of the most powerful additions to an X10 system is macro capability, where a computer continuously monitors the powerline for trigger signals, and responds by executing a timed sequence of additional X10 commands.
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