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Search results: 130   Output: 31-40
  1. To start off, this project was started when we received a grant from the Lemelson-MIT Program. (Josh, if you're reading this, we love you.) A team of 6 students and one teacher put this project together, and we have decided to put it on ...
  2. Abstract: The Network Time Protocol (NTP) has revolutionized the world. Suddenly one could have anywhere in the world accurate time and date. NTP is a simple UDP based protocol and can be implemented in a Microcontroller. Using the tuxgraphics ...
  3. alex [a] What do you do if you have a spare LCD module with backlight, a weird 16 button keyboard, and a PIC16F877A microcontroller gathering dust? A monster Martian Clock immediately springs to mind. You are probably thinking There ...
  4. by David Johnson P.E. Challenge: Design a battery powered circuit, which can turn something on or off, with the wave of a hand over a surface. Solution: The circuit below works quite well in typical indoor room lighting. I would not recommend its ...
    Circuits » Domestic » LMC7211, LM358
  5. What do you mean I have a moon fixation? Well, I probably have - I suspect it's a feminine thing (Less of that!) What is described here is a clock with a single hand that indicates the current moon phase. It is based on a cheap clock as can be ...
  6. Attach a tiny signaling device to things you often misplace, and you'll be able to recover them in a snap. So you've lost your eyeglass case. Yes, again. Gets frustrating, doesn't it? Stop wasting time searching for stuff -- build a ...
  7. Have a cat that won't stay off your counters? I do. I finally got fed up with it enough to do something about it: scare the crap out of him with a motion-detecting blender (while recording the results for my own amusement, of course). Confused at ...
  8. Mike Haney A redesigned motor gives this drill a serious boost in juice. A More Powerful Motor: For guys on a job site drilling hundreds of holes a day, power matters it lets them work faster and blow through knots, nails and other obstructions. ...
  9. Dave Prochnow Never burn your mouth on a hot drink again No matter your poison -- coffee, tea, hot chocolate, sake -- take a gulp too soon out of the pot and chances are good that you'll burn your mouth. But build this Smart Coaster and you'll ...
  10. Description: This circuit will power a 6 inch 4 Watt fluorescent tube off a 12 Volt supply, consuming 300 mA. It may also be powered by a suitably rated universal AC/DC adapter. Advantages of the design are: good light, low power consumption, and ...

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