On Tue, 13 Jan 2009 10:54:59 +1300, "Brent Brown"
<brent.brown@clear.net.nz> said:

> Dont forget what would happen if the PIC was reset while driving the
> relay... port pin 
> goes from being an output to input, current flowing through coil induces
> back EMF 
> and destroys and damages I/O pin. I think you need the diode.

How does it get damaged?

Cheerful regards,

Bob

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