Michael Rigby-Jones wrote:
> Anthony Toft wrote:
>> I really like the resistor selection I have right now as the 8 buttons
>> are giving ~10% separation. If I go to 3v then I will have ~7%
>> separation.
> [...]
> Thirdly, you should be able to get a fixed separation between the
> buttons irrespective of the reference voltage, by selcting suitable
> resistors.

If you sent us some real values and how you want to connect them (something
like a quick ASCII draft), you'd probably get some better advice. I think
there's no reason here for the reference voltage limits being a problem.

Gerhard
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