[En-Nut-Discussion] Ethernut 1.3 analog input

[Tiziano]

On Tue, 1 Sep 2009 11:24:44 +0100, Pedro Duarte <PDuarte at milenio3.pt>
wrote:
> The voltage at any pin of the microcontroller cannot be higher than the
> supply voltage.

ok

> But that is not a problem, just use a voltage divider at each analog
input.
> This will bring you voltage range down to the voltage range that the
> microcontroller can handle.

it was so simple, shame on me :(

> Also, special care must be taken if you batteries are in series and with
> galvanic isolation if needed...

of course.

Thanks a lot for you fast answer!

-- 
BR
        Tiziano D'Inca'
CTO at ASDASD srl
ASDASD.it  -  POPWIFI.it  tiziano at asdasd.it  +39.0437.1835.100