Re: more on weird resets

On Sun, 31 Jul 2005, David McNab wrote:

> Hi all,
>
> I dug out my old trusty veroboard-based proto board (with header pin
> blocks for running all the ports out to breadboard). Try as I might, I
> can't reproduce the random reset problem on that board.
>
> Guess I might need to do a whole new board, with all the ground traces
> flooding out to eat all the unused board surface.
>
> Any further suggestions?

Put a 100 ohm resistor between your current circuit and MCLR and add a 
220pF cap between MCLR and VDD directly at the chip. Also add a 5V6 
zener between VDD and VSS.

Peter