Why do you not just use a 47k resistor in series with the input pin. The internal diodes in the pic will clamp the input voltage anyway. No need for zeners or voltage dividers.
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Re: Watt's the wattage when used on a PIC?
Why do you not just use a 47k resistor in series with the input pin. The internal diodes in the pic will clamp the input voltage anyway. No need for zeners or voltage dividers.
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