If you find a way to do that with reliable results, please let me know...

Paul Brown wrote:

> I have a project where I need to determine the state of charge of a 7.2
> volt NiCd battery with a PIC.  Is it possible?  How can you measure the
> nearly flat discharge curve?  I was planning on using an 8 pin PIC with
> A/D.  As usual, space is tight.
>
> The load is resistive and relatively constant.  I considered trying to keep
> track of charging time and discharging time, but I do not think that would
> work in this application.  I would like to use any battery and immediately
> know the state of charge.
>
> Paul A. Brown
> Product Engineer
> Elliott Company
> Jeannette, PA