[En-Nut-Discussion]Problem with ADC

[Ole Reinhardt]

Hi,

> how can i find the value zero volt?

Zero volt results in a 0 value.

> if i don't connect anything to my ethernut, the fuction adcread give me the
> value 384?

If you have not connected anything the adc reads some more ore less
random value. So you should always connect anything to the inputs. Not
connected inputs should be tied to GND.

Br,

Ole Reinhardt

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