I'm playing with a pic in a car and wondered what is the most reliable method of taking 12volt inputs into a pic? Would I be best using optocouples (I have 11 x 12volt inputs) or can I just pass it though a 1k resistor as I do a the moment?
Rob
Maixium voltage on a input pin
I'm playing with a pic in a car and wondered what is the most reliable method of taking 12volt inputs into a pic? Would I be best using optocouples (I have 11 x 12volt inputs) or can I just pass it though a 1k resistor as I do a the moment?
Rob
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