The only issue I'd complain about now is that the ADC result used for the
Voltage readout is not stable where an off the shelf Multimeter/Voltmeter would be.
This doesn't seem to happen if the pic circuit is powered by a separate battery.



I used a voltage divider to scale down the input voltage from the battery as
described in the quote (from another forum) in one of my above posts.

What does it mean when it says "Set the A-D ref volt to 5V" ?
Cheers, Art.