gnupic: Re: [gnupic] more on weird resets
Subject:
Re: [gnupic] more on weird resets
From:
Peter ####@####.####
Date:
31 Jul 2005 08:28:58 +0100
Message-Id: <vm.folnew.qj@mop.aaa.ij>
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
