On Wed, 4 Jun 2003 15:55:09 -0700, you wrote:

>John,
>
>I always got better result by adding extra LEDs
>1. one of pic pin I always used it as power led and thru
>   any available timer I turn it on and off (fast enough that
>   you can see it) the purpose of this is:
>   if the pic crashed for any reason remotely you can tell if the
>   pic is alive or dead.
>2. if I want to check any subroutine to see if it is getting
>   there or not beginning of subroutine I turn it on and of it
>   I turn it off.
>3. some times in the design there are lcd, sound, rs232 etc
>   all you have to do is add more code for your debugging and
>   once it is done just disable them.
Another handy trick for products with 44780 type LCD modules -  if for =
example your product uses a
16x2 LCD, plug  a 40x2 module in for testing and you instantly have 24x2 =
characters to output debug
info, using all your existing display routines.=20

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