ON 20040111@10:11:44 PM at page:
http://techref.massmind.org/techref/io/sensor/pos/enc/quadrature.htm#37997.9248148148
James Newton[JMN-EFP-786] See also:
http://www.mcmanis.com/chuck/robotics/projects/lab-x3/quadratrak.html
Using Mechanical Rotary Encoders



ON 20040111@10:16:54 PM at page:
http://techref.massmind.org/techref/io/sensor/pos/enc/quadrature.htm#37997.9283912037
James Newton[JMN-EFP-786] Says

Mechanical Rotary Encoders can cost as little as $4.70. E.g. The GreyHill unit from Digikey (<A HREF="http://www.digikey.com/scripts/DkSearch/dksus.dll?PName?Name=GH3071-ND%26Site=US">GH3071-ND</A>) qty 1



ON 20040111@10:28:13 PM at page:
http://techref.massmind.org/techref/io/sensor/pos/enc/quadrature.htm#37997.9362615741
James Newton[JMN-EFP-786] See also:
http://www.mcmanis.com/chuck/robotics/projects/encoders/index.html
Wheel encoder patterns