On 8 Feb 2012 at 19:00, Alexandre Souza - Listas wrote:
At least one
Microsoft mouse I was inside had _horrible_ encoders
consisting of a disk with contact pads on it and springy brush
contacts. I think I prefere opto-electronic enocders...
http://tabalabs.com.br/pc/mouse_tpx_pc
More inexpensive RS232C mice for the PC were also made this way. I
still have a bunch of the 3-button variety that use that type of
encoder.
--Chuck