Wouter van Ooijen wrote:
> I am trying to read an ADXL two-axis accelerometer. It outputs 2.5V
> +/-
> 0.3V, so to increase the A/D resolution I use 2.0 as -ref and 3.0 as
> +ref. But I only got either 000 or 3FF as A/D reading. I was totally
> flabbergasted, untill I re-checked which pin is -ref and which +ref. I
> had of course switched the pins.

Also don't you need a minimum of 2V(?) from Vref- to Vref+ even if they are
otherwise within range?


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