A "standard" encoder would be like on your car stereo; you can turn it to adjust the volume or press it to turn the stereo on/off. He's looking for one with a hole down the center (a thru-shaft).
Personally I've never seen such a thing.
A "standard" encoder would be like on your car stereo; you can turn it to adjust the volume or press it to turn the stereo on/off. He's looking for one with a hole down the center (a thru-shaft).
Personally I've never seen such a thing.