Spindle Encoder

The spindle encoder looks pretty boring in the box. The two whitish circles are pieces of plexiglass that I turned so I could see the LEDs inside. If I had thought about it a bit more, I would have had the LEDs poking out the top. The aluminum spindle reflects infrared really well, and a piece of black electrical absorbs the infrared acting as an interruption. Bigger...
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Copyright 2006 by Dave Hylands