Ed Edmondson wrote:
> What do you suggest I use to block the window with? I put two layers of
> electrical tape over the window, turned off the desk lights and it
> appears to be trying to work intermittently anyway.

Aluminum foil will absolutely block light, however it might also have
capacitive effects which is why I didn't recommend it before.  I used to use
plain old paper stickers with the firmware version written on them.  That
seemed to work fine in normal office illumination.  To really prove it's not
a light problem, I would turn off all sources of light you can, then put a
heavy cardboard box around it.  If it's still flaky, then you've got some
other problem.

That brings up the point of why use a PaleoPIC in the first place?  The
12F629 is a much more capable substitute and might even be cheaper.  If you
really need firmware compatibility with the 12 bit core (then again, how
hard can it be to port or even rewrite something that can't be bigger than
512 instructions?) you might be able to get hold of 12F508 samples.


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