This encoders kit are designed for TT motors. It provides the rotation degree of the wheels. Encoder uses non-contact method to convert the angular displacement signals. Best fit with Micro DC Geared Motor.It includes encoders, plastic tube, paper-mediated gasket etc. It uses Gravity interace which is a plug&play design to get connected with Arduino IO Expansion Shield or Raspberry IO Expansion Shield. Specification * Voltage:+5V * Current:<20mA * Resolution:20 PPR * Weight:20g Documents * Arduino Sample code * Wiki (Wheel Encoders for DFRobot 3PA and 4WD Rovers) Shipping List * M3*5 screws x2 * M3*50 screws x4 * Rubber ring x4 * Washer x4 * Plastic cover x4 * Grating disk x2 * Digital cable x2 https://elecena.pl/product/27743208/dfrobot-gravity-tt-motor-encoders-kit 2025-01-23 https://elecena.pl/product/27743208/dfrobot-gravity-tt-motor-encoders-kit 2026-02-21