gnupic@linuxhacker.org

I had some spurious behaviour on one 16F877 design that turned out to be 
that I had not disabled Low Voltage Programming. Make sure this is off 
in your configuration word.

Regards,

Pete.

Phil wrote:
> Now that the counter works I've found that the circuit is very sensitive to 
> electrical noise. Turning on or off nearby appliances causes the count to 
> advance, sometimes by hundreds and this is with the PIC circuit being battery 
> powered and port C0 grounded.

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