3v D2-1 Fighter Smart Tracking Car DIY Kit Support Patrol Line Obstacle Avoidance

Descriptions Smart cars are also interesting and involve the mechanical structure electronic foundation sensor principle automatic control and even single chip programming and other subject knowledge which can greatly improve the ability of hands on practice The smart car is also a good hardware platform that can be converted into a tracking car a fire fighting robot a soccer robot and an obstacle avoidance robot Features ● Can travel along a black track about 15mm wide● The circuit consists of several parts photoelectric sensing voltage comparison and motor drive ● The reflectance of the light emitting tube projected to the black and white portions is different and the resistance of the received photoresistor changes ● LM393 compares the size of two photo resistors and controls the operation of the motors on both sides thus correcting the direction of the car and ensuring that the car moves along the black track ● The motor is equipped with a speed reducer Do not rotate it vigorously to prevent damage ● The fighter kit has a battery compartment for two AA batteries Package List 2 x TT motor2 x wheel1 x chassis1 x battery box not included battery with screws and some elements