Motor Encoder The encoder modules are great for adding precise position sensing capabilities. The encoder has a 13-pole circumference and two A3144 hall effect sensors. You can attach the encoder to any number of 25mm equivalent motors. Ideal for making your own two-wheel balancing robots. 4.5 – 24 Volt operation 11 pole encoder Two solid state 3144 Hall effect sensors 100% Arduino compatible Designed for 25mm DC motors Package Content: 2 x Motor Encoders 2 x Metal mounts (for 25mm motors) 2 x Magnets

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