AVR-Chat

Absolutely, you did something wrong. Plz check you schematic and PCB.

Regards.
Dao

A F <afaupell@yahoo.com> wrote:                                  Im using the adc on a mega8 with a 5v LM4050 precision shunt as an external reference. I am able to read the full scale of 0 to 1023, the problem is that 0 is returned for any voltage under about 0.84v. Is this a limitation of the adc or am I doing something wrong? thanks
 
 --Aaron
 
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