While the EMS22A & 22D are different models, (A is Absolute 1024, D is Direction/step 512 PPR) the following thread may get you started.
http://forum.arduino.cc/index.php?topic=110250.0
Ray
While the EMS22A & 22D are different models, (A is Absolute 1024, D is Direction/step 512 PPR) the following thread may get you started.
http://forum.arduino.cc/index.php?topic=110250.0
Ray