You can also check DFRobot Wheel Encoders for DFRobot 3PA and 4WD Rovers and DFR0550 display development tool 5''800x480 TFT Raspberry Pi DSI touch screen for a better comparison at Raspberrypiq.com.

Description designed for DFRobot and 4WD Rovers give the degree of the paper-mediated gasket The DFRobot Wheel Encoders DFRobot Rovers designed manufacturer Rovers.
It can you the rotation of wheels.
Encoder uses convert the angular displacement signals. fit It encoders, tube, paper-mediated Specifications Voltage: +5V Current: <20mA 20 PPR Weight:.
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