For anyone who as ever been out looking for a little microprocessor to help you do something better, this is a heavenly gift. You can modify these plans at low cost to engineer your new device. And lots of folks already have! Without licensing fees!

Arduino gadgets: WineM coaster; Snail Light Seeker; interactive embroidery with conductive threads; and Botanicalls, which tells you when your plants need water.
Can this be the wave of the future? I certainly appreciate a product that is patented and rigorously tested. I doubt I’d be interested in an open source automobile, but for some things, open source is really going to catch on. All of my websites are run on open source software (WordPress) programmed in open source languages (php). I would love to have inexpensive devices tell me when my kids have left the lights on in their room and turn it off for them. How about a wireless device that makes sure your plants always have the right amout of moisture? Automatic curtain closers? I could go on. Clearly, there is room to grow in this market and it may just be the home tinkerer who comes up with the next great device that changes our lives…via open source.
Read more at Wired
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