Need reliable electrical or mechanical 24hr timer

  1. It needs to perform at least 50 cycles with a cumulative error of no more than [+\-] 30 minutes. This is for a home project.

    Any suggestions of components?
     
  2. jcsd
  3. russ_watters

    Staff: Mentor

    Cumulative error over what period of time?
     
  4. 50*24 hours
     
  5. I'm not sure I understand...why can't you use a clock (either electrical or mechanical)?
     
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