I made some schematics with PIC (12F675=windows closer;16F648A=thermometer/thermostat) and I use them in my car. I powered them like in picture...but, sometimes, without any reason, the PIC's are damaged. If I replace them, in the sames boards, these works fine, for a while...(weeks, even month !) and...collapeses again ! Can somebody sugessting one better metod for powering PIC's in auto environment ? Thanks in advance for every reply and sorry for my poor english. All the best !
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