Jim Dolson wrote:
> 
> Is there an easy way to measure currents in the range of 1A-7A.  The
> circuit in question is for part of a constant-current battery charger.
> Accuracy and precision isn't too important - measurements to 1/10 of an
> amp are sufficient.
> 
> Thanks,
> Jim

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.

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