ITEM NAME:Avoidance Tracking Motor Smart Robot Car Chassis Kit 2WD Ultrasonic Arduino Hc Product Description: our car frame has the following advantages: 1 mechanical structure is simple and very easy to install. 2 car comes with tachometer wires 20 meters, with gun shop photoelectric systems can be quickly formed a gun. It can speed, distance, composed of closed circuit systems. 3 with four cars on the battery compartment, convenient for the whole power system. at the same time provided with a switch, easy start-stop. without further very convenient, so that the entire system is highly integrated 4 auto shop with L298N driver module, four monitoring modules, as well as 51 control unit seamless, simple and good-looking components of the system! Note: 1.Please allow 1-3mm error due to manual measurement..It can speed, distance, composed of closed circuit systems. the car chassis x 1. DC gear motor 2 48: a DC motor deceleration. assembly drawing x 1. Car wheels x 2. four battery box x 1. caster x 1.
