>I don't know, Peter.  An LM339, a cap and a resistor are pretty cheap!
>
>Andy

And a pullup at the output of the 339 and a 1/2Vcc divider (or did you use
the IC as current sensor). == 4 parts minimum. Sometimes there is not
enough room for 2 parts (including the PIC). Where do I put 4+ ? ;-)

Peter

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