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flip flop using three relays and a momentary input

Discussion in 'The Projects Forum' started by 79fordmudruner, Nov 15, 2007.

  1. 79fordmudruner

    Thread Starter New Member

    Nov 12, 2007
    ok new problem i need to build a flip flop circuit using only three relays and a momentary input any body ever done this before
  2. beenthere

    Retired Moderator

    Apr 20, 2004
    If you just need Q and ^Q outputs, an impulse latching relay will work with the momentary input. You can get them with 12 VDC input or 120 VAC. Look at a P&B S89R11DAC1-12. Digi-Key has the as part #PB513 @ $45.38.