Tjaart van der Walt wrote:
>
> If you use a FET for charging, you can use the drain/source
> voltage drop. Measure the two sides with an over-the-top
> opamp, and amplify enough for the A/D on your PIC.

Keeping in mind that Rds(on) varies with temperature...


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Mike Westfall N6KUY
xyzzy@acm.org
mwestfal@odc.net
http://www.odc.net/~mwestfal
Linux religious dogma: "The Gates of Hell shall not prevail."
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