[Dprglist] build your own magnetic encoder disks

[Doug Paradis]

-All,
    Just saw this on Hackaday.
      https://hackaday.com/2018/01/30/roll-your-own-magnetic-encoder-disks/

100 of the little magnets cost $4.90 on eBay. I'm going to have to try this
one.

Regards,
Doug P.
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