[En-Nut-Discussion]Problem with ADC

[Alexander Baranov]

It cannot be done by software. You have to attach some hardware, which would 
shift the level.
Alex
----- Original Message ----- 
From: "Tommaso Fabbri" <atfabbri at gmail.com>
To: <en-nut-discussion at egnite.de>
Sent: Wednesday, May 31, 2006 12:21 PM
Subject: [En-Nut-Discussion]Problem with ADC


>I don't understand.
> How can i recognize negative values from posive values?
> can you do some examples.
> if i connect a signal with 5 volt the fuction adcread give me the value
> 1024, if i connect the value -3 the fuction give me the value 0.
> But i must convert also negative values.how can i work?
> Thanks for your helps
> Tommaso
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