[En-Nut-Discussion]Problem with ADC

Tommaso Fabbri atfabbri at gmail.com
Wed May 31 18:21:07 CEST 2006


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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