Boncuk
New Member
Currently the clock only makes a single revolution and stops due to a mechanical limit switch. With a 5 minute countdown there needs to be some sort of logic to start and stop the clock motor. But I think I can figure it out using/modifying your circuit. Thanks again!
I wouldn't be against a digital based countdown, but I couldn't find any cheap large displays. Do you know where a large cheap display could be found? Could I make one from a bunch of LEDs?
Hi jfinch,
you might leave your light bulb indication as intended and connect the bulb circuitry to a microprocessor, such as in the attached circuit.
It requires one push button for operation - "START" and stops automatically at the determined count. I just included the "STOP" and "RESET" buttons in case of a false start to restart the circuit before it times out automatically.
Board size is 78X69mm (3X2.71")
Regards
Boncuk
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