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Relay re-activating

  1. Mar 17, 2010 #1
    Hey guys,

    I am using the following circuit to switch on/off another circuit.

    toggle7.gif

    The problem is that for some reason the relay will disengage about a minute after it is switched on (although it seems to remain off indefinitely).

    Does anyone have any ideas for what could be causing this?

    Thanks,

    John
     
  2. jcsd
  3. Mar 18, 2010 #2
    100 uF charges to 6 volt.

    When switch is pressed, 100 uF discharges to 1.83 volt.
     
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