SOLAR CHARGING YOUR DSSOLAR CHARGING YOUR DS

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[dark sponge] chose to make his DS lite, solar powered. Or, at least charged through solar panels.  He was able to find solar cells that were 60×60 mm, which implies he could fit 4 of them on the outside of the DS. This gives him a total of 6V at 80 mA output. These panels […]

SNOOZY THE SLOTHSNOOZY THE SLOTH

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Snoozy the Sloth clings to you as well as sleeps. While this may noise quickly done, the maker desired the sloth to really simulate breathing with exhaled breath to add to the realism. To do this, they had to develop a “respiratory system” out of a rubber glove, a solenoid, as well as a couple […]

BUILD YOUR own GENERATORBUILD YOUR own GENERATOR

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This generator is built from an old alternator and a 2-stroke gas engine. The site has some ideas on component mounting and correctly sizing the drive pulley. The significance of getting an alternator with a built in voltage regulator is also covered. You could use this to charge a race car battery between rounds or […]

ARDUINO mouse TRAPARDUINO mouse TRAP

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[scott] had a need to capture a mouse and wanted to learn about how to program an arduino, so he built an Arduino controlled mousetrap. It is made from things he had laying around the house, like some Tupperware containers and wooden rods. The program is pretty simple, when a trip wire is touched, the […]