Quote:
Originally Posted by andy
134 is a reasonable voltage, but who knows what was blown when it went to more than twice the correct voltage. I can't imagine 12v was too good for the micro controller.
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That's what I'm thinking. These cheap sets have little to no overvoltage protection in the event of a runaway power supply. If there's a way they can cut corners, they are going to do it. And, the microprocessor is a little surface mount chip with a million legs on it!