RT4car DIY Smart Mini Round Car Kit Tracking Obstacle Avoidance Remote Control Car Double-layer 2WD Three-wheel Universal Wheel

Main Features:
2 Drive the intelligent car chassis, buy high quality at a low price, and can be used for tracking, light finding, obstacle avoidance, fire fighting, remote control and other small cars.
The car has reserved arduino UNO, MEGA2560, 51 single-chip control boards, and the store’s drive module, tracking module, obstacle avoidance photoelectric switch and other sensor holes, which are convenient for assembly and expansion.
Simple assembly, it can be assembled in 5 minutes.
Powerful scalability, can complete a variety of functions.
Strong torque 130 strong magnetic DC gear motor, it is not a toy motor, the torque is two to three times that of ordinary motors, and the ratio of 1:48 and 1:120 is available. The higher the ratio, the stronger the load.
The code wheel has been upgraded from 10 grids to 20 grids, which doubles the accuracy and strength.
Free two AA battery boxes.