Quentin wrote:
>
> I have seen battery chargers that determine the amount of cells in a
> battery pack and then charge acordingly. The chargers is mp controlled,
> but I haven't opened it up to see it if it is a PIC.
> The battery packs are made up of 1.2V Nicad cells. But if the cells are
> discharged, it is not just a case of measuring the voltage.
>
> Anybody knows how?

I'd look ate the rate at which the voltage climbs at a constant
current. NiCd's voltages climb very quickly. You should be able
to identify the curve without too much problem.

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