All,

I have written a simple article which might be of use to some people,
measuring the PIC Vdd using no external components.

This builds on an older Microchip application note designed for outdated
parts, so it isn't a new idea. However it works well enough for simple
battery monitoring and can be added to any project on a supported PIC.

You can find it here: http://edeca.net/wp/electronics/measurin
g-pic-vdd-with-no-external-components-using-the-fvr/

Happy to take comments or corrections.

David
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