Avoidance Tracking Motor Smart Robot Car Chassis Kit Speed Encoder Battery Box 2WD Ultrasonic Module

Our car chassis has the following advantages: 1 mechanical structure is simple and very easy to install. 2 car comes with 20 wire tachometer yards, with photoelectric gun shop can be quickly formed a gun systems. You can speed, distance, composed of closed-loop systems. 3 car with four on the 5th battery compartment, convenient to the entire system power supply. At the same time equipped with a switch, easy start-stop system. Without additional very convenient, so that the whole system is highly integrated 4 car shop with L298N driver module, four tracking module, as well as 51 control unit seamless, simple and good-looking components of the system! Shipping list: Car chassis 1 Car Wheels 2 DC Gear Motor 2 48: a deceleration DC motor (otherwise 120: 1 Optional) 20 line gun code disk 2 Fasteners (high intensity black acrylic) 4 Caster 1 Four battery box 1 Quality Rocker Switch 1 Assembly drawing 1Several screw nutV5 shield 1UNO R3 1SG90 1FPV 1L298N 1HC-SR04 1Bevel see the car chassis (with battery box with switch): Look at the bottom of the car Each car will be installed with a 3D drawing (s seconds to get installed)Appropriate protection in place :( packaging cartons per package car has two screw fasteners had absolutely no less repetition number, please be assured)Car size Trolley two wheels and wheel center spacing 130MM. Outside of the car on two wheels distance 150MM9752RoarKit Module