7 functions: infrared tracking, infrared obstacle avoidance, infrared remote control, Bluetooth remote control, ultrasonic fixed obstacle avoidance, ultrasonic object following, and ultrasonic shaking head obstacle avoidance.

Main control chip: Arduino Uno

Motor driver: L298N driver board

Power supply mode: Two 18650 batteries (batteries need to be prepared by yourself)

Voltage range: 7.0-12.0V

Cart size: 215mmx150mmx120mm

Function Description:

1- Infrared tracking function: According to the principle that black does not reflect light, if the infrared tracking modules on both sides of the front of the car detect black lines, it means that the direction of the car is off, so the car is controlled to correct the driving direction so that the car moves along the designed black line.

2- Infrared barrier function: According to the principle of reflected light from obstacles in front (except for black objects), if the infrared obstacle avoidance modules on both sides of the front of the car detect obstacles, in order to avoid hitting them, the car will be controlled to turn and avoid, so that the car will not collide onto the obstacle.

3- Bluetooth remote control function: Send commands to the Bluetooth module through the Bluetooth App panel of the mobile phone for communication, and the Bluetooth module sends commands to the single-chip microcomputer for judgment, thereby controlling how the car operates.

4- Infrared remote control function: Send infrared codes to the infrared receiver through the infrared remote control, and then send the data to the single-chip microcomputer for processing and judgment, so as to control how the car operates.

5- Ultrasonic fixed obstacle avoidance function: The ultrasonic module continuously measures the distance of the obstacle in front, if the distance is less than the set value, control the car to turn and avoid, so that the car will not hit the obstacle.

6- Ultrasonic object following function: use the ultrasonic module to measure whether there is an obstacle in front, if the obstacle is too close, the car will back up, and if the obstacle is far away, it will move forward, so that the car will keep a certain distance from the obstacle, and if the obstacle disappears, the car will stop.

7- Ultrasonic shaking head obstacle avoidance function: fix the ultrasonic module on the steering gear shaft, if the obstacle in front is smaller than the set value, control the steering gear to rotate to measure the distance between the left and right obstacles, if there is no obstacle on either side or the obstacle distance If it is far away, control the car to turn to this side, so as to avoid obstacles more intelligently and effectively

Component Name & Quantity:

1 x Tricycle chassis + 4 motor fixing frame
2 x Geared motor
2 x wheels
1 x 2 18650 battery boxes (series with wires)
1 x Universal wheel
4 x Screw M3*30
32 x Screw M3*6
2 x Screw M3*10 (flat head)
6 x Nut M3
14 x Double-pass copper column M3*10
2 x Double-pass copper column M3*20
1 x Arduino Maven Improved Board
1 x USB to D-type port data cable
1 x Arduino car expansion board (finished product)
1 x L298N Motor Driver Module
2 x Tracking Module
2 x Obstacle Avoidance Module
10 x Double Female DuPont line 10cm
5 x Male to Female Dupont cable 10cm
20 x Double Female DuPont line 20cm
4 x Double Female Dupont cable 30cm
5 x Motor wire Double-ended tinned 10cm
1 x Bluetooth module JDY-30
1 x Infrared receiving tube 1838 integrated
1 x Infrared remote control
1 x Servo SG90 90-180 degrees
1 x Ultrasonic module HC-SR04+ (wide voltage 3-5.5V)
1 x Steering gear gimbal bracket (with screws and nuts)
1 x Ultrasonic Pan Tilt Bracket