> Or if you really wanted to give yourself a bit extra resolution then
> plan on being able to reduce the Vref+ to 2.5V. At least build in the
> pads that would allow a TO92 reference to be fitted later to do this as
> someone will sure as eggs want better resolution :))

Or if you can live with the accuracy, two resistors and a capacitor to
divide the 5V to make the 2.5V reference.


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