DIY 4WD Smart Robot Car Chassis Kits With Magneto Speed Encoder For Arduino 51

Features: 1.20 line Speed Encoder, more accurate than 6 or 10 one. 2.The mechanical structure is simple, convenient installation. 3.The height between two chassis can be change by different copper pillar. 4.The four turn speed dc motor flexible, directional well. Quad, chronological horsepower. Chassis and stability is very easy to extend 5.The car comes with speed encoder, cooperate with our speed of photoelectric, can rapidly form a speed measuring system. Can speed, range, form a closed loop system. 6.The car with our four L293D motor driver module, four-way tracing module, and 51 control unit seamless docking, with red light expanded hole of obstacle avoidance, composition system is concise and good-looking. Specifications: Working Voltage: DC 3V/5V/6V Working Current: 100 mA/100 mA/120 mA Ni-load (with wheel): 100 RPM/190 RPM/240 RPM Speed (no-load): 20 m/min / 39 m/min / 48 m/min Noise: <65 db Wheel Diameter: 66 mm Size(L*W*H):25.5 x 15.5 x 6.5 cm Package Included: 4 x Tyre 8 x Fastener 4 x 20 line speed encoder 2 x Smart car chassis (Acrylic) 4 x DC gear motor (strong magnet, testing by EMC) 1 x Set of Screw, Nut and Copper Pillar

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