Robert B. wrote:

> The MCLR pin is just attached to the ICSP header, so I guess it
> is floating.
> I was under the impression that it needed about 13v on it to affect
> anything, though... is this not true?


Hi Robert,

If the /MCLR  pin is indeed floating, that is a problem since the PIC will
be resetting when you don't want it to. Ideally, when /MCLR is not asserted,
you want it to be as close (in voltage) to the PICmicro's Vdd as possible.
Read up on the data sheet about /MCLR and reset circuits.

Best regards,

Ken Pergola

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