Using the V5 3-Wire Optical Shaft Encoder – STEM Library
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6.5" Hub Motor with Encoder - Parallax
4 Inch Early Learning Robot Wheel Motor Drive Zllg40asm100 Built-in Encoder Agv Car - Dc Motor - AliExpress
4WD 80mm Mecanum Wheel Robot Car Chassis Kit with DC 12V Encoder Motor for DIY | eBay
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