> > If nothing bad happens with any of the above scenarios, don't worry
> > about it.
>
> For that device in that circuit at that temperature with that load.

An don't forget to wave the fish the next time you want to use the
circuit!

If anyone wants to ask or comment on these kinds of subjects it might
help to state whether the discussion is to be about either

1) something that 'can be shown to work' (implicitly: at my bench, far
away from fields, at room temperature, with the propper fish waving,
etc)

or

2) something that should work under a wide range of conditions
(temperature, fields, fishes etc)

The proper answers for the two cases can be wildly differnt. Think about
- unused inputs
- RS-232 to PIC with only a resistor (protection diodes currents)
- power supply margins (will it still work at full load and with a net
voltage of - 10%?)
- internal oscillators for serial asynch communication
etc etc

Wouter van Ooijen

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consultancy, development, PICmicro products

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