The project has a simple CB...
...with 4 leds, each with a corresponding momentary push button. I need the arduino to randomly turn one of the four LEDs on...
... and put its corresponding switch to a LOW state (all other switches will be HIGH until its their turn in the sequence).
...when a switch is pushed, it shorts a capacitor (on the CB), preventing its full charge. If the cap is alowed to charge, it trips a relay circuit to initiate a buzzer.
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