Jan-Erik Soderholm XA (TN/PAC) wrote:
> Or a N-chan FET on the "bottom" side ? Might be easier
> to interface to the PIC ?

That won't work because the voltage will then try to float up to 6V and end
up conducting thru the protection diode.

> Or just using the *internal* FET of the PIC output pin and
> connect the divider network directly to the pin ?

I think you're missing that the PIC is running from a regulated supply and
trying to measure the battery voltage about 2V above Vdd.

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