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As I've had a few switchers go bad (spiking the 12v) in JAMMA cabinets, I prefer to check the voltages from time to time. That's why I would like LEDs for each voltage. I've been playing with the idea of making a similar board, but going a step further by adding pots to adjust the voltages on the adapter board. Therefore, if the adapter board reads 5.0v and the 12v shows 13v, then I can adjust the pot on the adapter board down to 12v.
Scott C.
Is this capable of also displaying the 12v? Maybe using a heavy duty switch.Trying out a passthrough tester.
This one shows 5V level and button inputs while any Jamma gameboard is active
Continuing the insanity of Jamma testers.
This one has buttons and Surface mounted LEDs.
I also plan to add the voltmeter for the 5V buss.