New 4WD Smart Robot Car Chassis Kits with Speed Encoder For Arduino DIY Car Description: Pretty cool while seeing some robot car wandering around? It is very easy. With a car platform, add some micro-controller (such as Arduino) and sensor modules, and program it.
New 4WD Robot Smart Car Kits Chassis w/ Mobile Platform 4 Wheels Description: Size:about 27.5cm*14.5cm Gear Motor rotate speed:125/min Gear Motor Power:6V Power by:6 x AA batteries(not included)
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