Gary Gipson was inspired by the Magbot Pendulum project in Dave Hrynkiw’s wonderful Junkbots, Bugbots & Bots on Wheels. Greg made a few changes. He put the electronics package on a little swinging bot and made the permanent magnet stationary to the base. The bot’s LED eyes light up when he first starts out over the magnet. Nifty!
Gary has some other really nice BEAMbots on his YouTube channel, including a Photopopper driven by a 1381J voltage trigger-based solar engine. We used the 1381 in the two BEAMbots featured in MAKE, Volume 06 (reprinted in The Best of MAKE).
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The Best of MAKE MAKE has become one of most celebrated new magazines to hit the newsstands, and certainly one of the hottest reads. If you’re just catching on to the MAKE phenomenon and wonder what you’ve missed, this book contains the best DIY projects from the magazine’s first ten volumes — a surefire collection of fun and challenging activities going back to MAKE’s launch in early 2005. 
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