28 Dec
2012
28 Dec
'12
6:10 p.m.
On 12/28/2012 05:46 PM, Geoffrey Reed wrote:
Aren't they called 'quadrature' mice or
something like that?
Exactly. each has two outputs, spaced slightly out of phase with each
other. By detecting edges, you can determine direction. Think "rotary
encoders" used in place of pots nowadays for simulated analog controls.
--Chuck