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Geekcreit 4WD Smart Robot Car Chassis Kits With Strong Magneto Speed Encoder For Arduino 51
Feature: The height between two chassis can be change by diffirent copper pillar 20 line Speed Encoder, more accurate than 6 or 10 one Motor Specification: Package included: 2 x Smart car chassis (Acrylic) 4 x DC gear motor (strong magnet, testing by EMC) 4 x 20 line speed encoder 4 x Tyre 8 x Fastener Some screw, nut and copper pillar