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  1. W

    Timer Circuit design needed... Help !!!

    At my age, remembering the 4 digit combination to my front door is about as near to coding as I can manage. When I went to college, I learned on vacuum tube equipment. I may be able to pull off a 555 design or something like that, but microcontrollers are out...
  2. W

    Timer Circuit design needed... Help !!!

    LOL... At my age, remembering the 4 digit combination to my front door is about as near to coding as I can manage. When I went to college, I learned on vacuum tube equipment. I may be able to pull off a 555 design or something like that, but microcontrollers are out...
  3. W

    Timer Circuit design needed... Help !!!

    The motor can be reversed by energizing one of two field coils, I think, anyway. Right now the motor is reversed by a manual switch. The neutral of the 120 volts goes to one end of both coils, the live goes to the other end of one coil or the other.
  4. W

    Timer Circuit design needed... Help !!!

    Hello, I wonder if you could help me with a timer circuit I need? I need to be able to have a small AC 120 volt, brushed motor run in one direction for say 10 seconds, then stop for about 1 second, then reverse for 10 seconds, and so on. I'm thinking it'll need a two coil relay with a center...
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