5V regulator from automotive alternator source. OK?
Bob Blick email (remove spam text)
There's something else wrong. Where's your voltmeter? Start putting it to
work. Your PIC should not get hot, find out how and where the extra
voltage is getting to it.
Do you have decoupling caps anywhere? The regulator surely needs one on
input and one on output, and then one for the PIC. That's sort of a bare
Any other connections to 12 volts, perhaps to one of the PIC input pins?
You can't hook it directly to 12 volts.
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