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Adjustable auto-shutoff relay timer for high power applications
Most Useless Machine - littleBits Edition
Replacing a fridge defrost timer.
Countdown timer or automatic shutoff switch for electric blanket or other electric device
Zero Power, Self-Watering, Self-Regulating Container Garden
Automated Teabag Timer
Digital timer for any electrical appliance
Keurig Coffee Maker Automatic Filler Circuit
Coil Gun - Optical Trigger Circuit
learn about the 555
Posted:Nov 22, 2013
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