> The watchdog is very useful
>
> You can use it as
>
> a rough timer (18ms, use a pre-scaler to get 128 x 18 = 2.3s)
> a thermometer
> a reset when code gets stuck in a loop
>

Thermometer?  Do you mean that you check the frequency or period of the WDT,
and plot or table it versus temperature?  If that's the case, is it good
enough to measure small temperature changes (like 0.5 *C)? Or is there a
special feature I don't know of?  Thank you very much.


Rudy

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