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Debounced Toggle Flip-Flop Using 556 Dual Timer

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 Based on the circuit on this page:  http://ourworld.compuserve.com/homepages/Bill_Bowden/page9.htm .  Nice thing about this circuit is that it doesn't matter how long the button is pushed in or if it's debounced or not.
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Added C1 and R3 to keep output low every time power is first turned on.  R4 is actually 360 Ohms...