Input sensitivity

Forum 2005-2010 (read only) Hardware Interfacing
1

I know that arduino inputs are 0-5 volts, but how sensitive is the input? In other words, can micro volts be read, what is the min. amount of change in voltage that can be sensed?

thanks Peter

2

The Analog to Digital Converter is 10 bit.
:slight_smile:

3

0-5vdc range = 0-1023 counts = 4.88 millivolts per count

Lefty

4

I know that arduino inputs are 0-5 volts

Well, mostly: