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We thought about using optical encoders of some kind...but eventualy ended up using mechanical rotary encoders...they are cheap and easy to swap out if they get smashed, and really light...We opted for the 4 bit ones which are nice but the grey code conversion was a bit tricky...plus it would be nice if they would send documentation with stuff like this.
Great idea to use CD labels...very cool
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Former 461 Student/Mentor. Former 1272 and 1018 Mentor. Team 1555 Super-Fan.
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