3-Mode Smart Car Kit Line Following Robot Differential Ackerman Mecanum Wheels 51 or STM32F103C8T6 Board

* 4-wheel differential car: Its movement is similar to that of a tank. It can be used for low-speed movement and can turn on the spot.

* Ackerman car: It adopts a car-like structure, and the front wheels are controlled by a servo to turn, which can be used for turning at high speed.

* Mecanum wheel car: Omnidirectional movement. It can move sideways and turn on the spot. The algorithm is slightly more complicated.

* Multiple movement forms

* Easy assembly

* Small and flexible

* All-metal gears: long motor life and good quality. Motors come with motor wire and no need to weld.

* Three-layer large space for easy expansion: reserved holes meet a variety of common components, making it convenient to DIY

* Four-motor drive makes the control more flexible

* The front part of the car has reserved holes for a dot matrix screen

* Motor model: N20 DC gear motor

* Rated voltage: 6V

* Rated speed: 400r/min

* Rated current: 70ma

* Servo model: SG90

* Servo torque: 1.5kg/cm

* Servo running speed: 0.3s/60°

* Servo line sequence: dark gray for GND; red for VCC; orange for pulse input 

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Package Contents (Depending on Selected Package):
Package 1: 51 System Board (No Controller)
* 1 x Black acrylic base plate
* 1 x ABS car frame
* 4 x Rubber wheels
* 4 x N20 metal motors
* 4 x Mecanum wheels
* 1 x SG90 servo
* 1 x L9110S motor driver
* 1 x Voltage regulator
* 1 x Set of program downloader
* 1 x Lithium battery charger
* 1 x Set of female Dupont cable
* 1 x Four-way line following sensor
* 1 x Line following map
* 1 x STC89C51 MCU
* 1 x 51 system board
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Package 2: 51 System Board + Controller for PS2
* 1 x Black acrylic base plate
* 1 x ABS car frame
* 4 x Rubber wheels
* 4 x N20 metal motors
* 4 x Mecanum wheels
* 1 x SG90 servo
* 1 x L9110S motor driver
* 1 x Voltage regulator
* 1 x Set of program downloader
* 1 x Lithium battery charger
* 1 x Set of female Dupont cable
* 1 x Four-way line following sensor
* 1 x Line following map
* 1 x STC89C51 MCU
* 1 x 51 system board
* 1 x 4-axis 12-button wireless controller for PS2
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Package 3: STM32F103C8T6 Board (No Controller)
* 1 x Black acrylic base plate
* 1 x ABS car frame
* 4 x Rubber wheels
* 4 x N20 metal motors
* 4 x Mecanum wheels
* 1 x SG90 servo
* 1 x L9110S motor driver
* 1 x Voltage regulator
* 1 x Set of program downloader
* 1 x Lithium battery charger
* 1 x Set of female Dupont cables
* 1 x Four-way line following sensor
* 1 x Line following map
* 1 x STM32F103C8T6 core board
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Package 4: STM32F103C8T6 Board + Controller for PS2
* 1 x Black acrylic base plate
* 1 x ABS car frame
* 4 x Rubber wheels
* 4 x N20 metal motors
* 4 x Mecanum wheels
* 1 x SG90 servo
* 1 x L9110S motor driver
* 1 x Voltage regulator
* 1 x Set of program downloader
* 1 x Lithium battery charger
* 1 x Set of female Dupont cables
* 1 x Four-way line following sensor
* 1 x Line following map
* 1 x STM32F103C8T6 core board
* 1 x 4-axis 12-button wireless controller for PS2
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Packaging Details:
* Weight: 1kg

Note:
* Assembling is needed.
* 12V 1200mAh lithium battery is not included.
* The pictures below are for reference only. The exact product configuration may vary depending on the versions you choose. Thank you for your understanding!