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  1. Adverse

    Looking for simple cheap timer circuit with few minute programming increments

    I'm looking to find a timer circuit that can turn a fan on for around 5-10 min 3 times an hour. I've heard of 555 circuits, but really don't know where to start making one, or where to get the gizmos. I would just buy one from the store, but the smallest increments i could find was for a lamp...
  2. Adverse

    Very basic question from a newb

    Sorry for asking this super-simple question, but i'm looking to hook up this computer fan to an AC adapter :http://www.aocusa.com/pview.php?g=PC%20Cooling&c=FANS%20(DC,%20AC,%205V)&sc=50/52%20mm%20DC&model=FAN-5510-S-3T-L It has 3 wires, however. red, yellow and black. It is a 12V...
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