> > Second thing is to protect the PIC's power supply. One method
> > is to isolate the supplies two with diodes. The PIC's power is got
> > through a diode + a filter cap, and the same for the relay section
> > of the circuit
>
> Or even use separate 780X's for PIC and relais.

        A good idea, something like this bit me on a project where I was using an
ultrasonic ranging module, only after I put the PIC on it's own regulator
and did some HEAVY filtering did operation become glitch free. TTYL

----------------------------------
Herbert's PIC Stuff:
http://repatch.dyndns.org:8383/pic_stuff/

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