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Internet controlled robotic arm by Brian Benchoff The guys over at Rusty Nail Workshop have put up an Internet controlled robotic arm for your amusement. While you’re waiting for the turkey to be done (or, you know, working), try your hand at moving some LEGO pieces around with a remote-controlled robotic arm. The build log goes through the [...] Partlist Wednesday: Lithium-polymer battery charger chips from Dangerous Prototypes by DP Lithium-polymer batteries are an excellent choice for portable projects. They are relatively cheap, hold a significant charge, and last for a long time. The drawback with these batteries is that they require rather complicated charging protocols. You have to watch out for overcharging, undercharging, [...] PID library for Arduino from Dangerous Prototypes by DP Arhi tipped us to a PID library for Arduino. If you require precision control of electro-mechanical devices like heaters, servos, water pumps, etc. PID is one way to implement that control. It is an algorithm that controls a device by constantly adjusting its control or power [...] Macintosh Floppy Drive Emulator Update from Big Mess o’ Wires by Steve A couple of months ago, I posted a design sketch for an SD-card floppy disk drive emulator for classic Macintosh computers. Recently I finally got motivated enough to start building it. Using one of the oh-so-rare DB-19 connectors that I purchased a few weeks [...]
Zachary Rukstela of Kinetic Steamworks considers himself the steward of the pieces of vintage steam technology he owns. He operates a steam powered vehicle at Maker Faire Bay Area 2011, and explains his background in steam, from growing up on a farm, to working on a WWII era steam powered destroyer. | ||||||
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