stephencoyle,
@stephencoyle@mastodon.social avatar

Getting some nice results testing out a notched spool with IR led and sensor to measure rotation.

video/mp4

stephencoyle,
@stephencoyle@mastodon.social avatar

Could probably squeeze some more notches in here, but this should give ~10mm accuracy (which, given the joke entails measuring in inches, will do).

stephencoyle,
@stephencoyle@mastodon.social avatar

All in all, a much more robust solution than the rotary encoder I used in the original.

brunoph,
@brunoph@breakpoint.cafe avatar

@stephencoyle I was gonna suggest a rotary Hall effect sensor, but first I looked at prices on eBay and… well ok, maybe this is fine lol

stephencoyle,
@stephencoyle@mastodon.social avatar

@brunoph haha yes cheap and cheerful will work for now. Though I won't rule out buying one of those for experimenting...

brunoph,
@brunoph@breakpoint.cafe avatar

@stephencoyle I've long considered buying those to replace the terrible potentiometers in my X52 Pro flight stick. I believe the actual flight stick uses decent Hall effect sensors, but the rotating knobs on the throttle side are just terrible.

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