Hello. I own an arduino nano and I have a problem with my A/D converter. I use external reference which is 3.3V and I'm reading data from an accelerometer. When it is in horizontal position, the x axis gives an output of 1.66V (measured with a voltometer) and that means that I should get a value o…

Is the A/D linear?

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system May 14, 2009, 4:43pm 3

Well... I get a correct measurement for 3.3V from a 3.3V regulator and the accelerometer's data sheet also says that I should get 1.66V if the sensor is horizontal. So I believe is pretty accurate

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Is the A/D linear?

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