Robot Car Kit

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. Then you made your own robot car.
Mechanical structure is simple, it is easy to install.
This car is the tachometer encoder
Four on the 5th battery compartment, convenient power throughout the system in a switch, while starting and stopping. No add-ins is very convenient, the entire system highly integrated
Can be used to measure distance, speed
Note: motor power supply is 3V~6V.