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Build a Programmable Refrigerator Watchdog
Who realizes this little project gets a device that monitors & displays the current refrigerator temperature, and that logs the time the door was opened and for how long. Alarms can be set on maximum allowed temperature and door-open time.
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Home improvement has never been more popular. Unfortunately many DIY enthusiasts combine a vague understanding of electrical wiring with bou...
This design is useful for speedy mobile robots and provides fast, contactless detection of obstacles ahead. Not only can it detect the obsta...
A hollowed-out pumpkin with a candle in front of the house, children who will come to ‘trick-or-treat’ and beg for candy… Halloween is a fes...
