No, I'm 99% certain they were yellow. They were not directly attached to any rotating part. I am sure they were using reflected light. If I remember properly, Busy Bee used them aimed against black and white disks attached to their wheels. I believe they could be installed at least 0.5" or more away from the wheel.
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Originally Posted by sanddrag
If you mean orange not yellow then they were Grayhill quadratrure encoders from Digikey. You can check out some code at www.kevin.org |