Used for approximating distance traveled and angle turned. I am currently writing EZ-Builder movement scripts. Hall sensors were purchased from Shenzhen, ur um, eBay for about 2 USD. 3mm Neodymium magnets from eBay as well for a few dollars. Inne ring was printed on a Printrbot Jr v2.
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| Unfortunately they light up amber when powered. |
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| Magnetic Wheel Encoder. 8 Steps at 45 degree increments. |
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