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Self-balancing Car Kit For Arduino Robot

Sale price $69.98 Regular price $119.00

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How to DIY a mini balance car on your own? This balance car kit is based on Arduino development platform. We mainly use UNO R3 as core and balance shield with built-in MPU-6050 as drive board to test the car body posture.
The balance shield comes with a Bluetooth interface, fully compatible with the Bluetooth XBee module (only compatible with Andriod system).
When connecting to Bluetooth, you can easily control the moving direction of balance car with Bluetooth APP, making a variety of unique postures.
To facilitate the operation control, Bluetooth APP has both key and gravity control modes.
Moreover, it adds the function of adjusting the balance angle and PID parameters as well, so you can perfectly adjust and control the balance car.

No need to worry how to play it. We can provide you with all assembly components.  as well as the corresponding installation, debugging method and program.

Operation Principle

The self-balancing car uses the power of the car body to maintain the relative balance, which is a process of dynamic balance.

The power to maintain the balance of the car comes from the movement of the wheels, driven by two DC motors.

The control of the car body can be divided into three control tasks as follows:

  1. Balance Control: keep the car upright and balanced by controlling the forward and backward rotation of the car’s wheel.
  2. Speed Control: realize the front and rear movement and speed control by controlling the inclination of the car. In fact, it is achieved finally by controlling the speed of the motor.
  3. Direction Control: realize the steering control by controlling the rotational speed differences between the two motors of the car.

In this way, it is relatively simple to understand the three control tasks.

But in the final control process, it comes down to the control of a control quantity. So there will be coupling between the three tasks, which will interfere with each other.

The key is to control the car’s balance; the speed and direction control should be as smooth as possible.

Parameters of balance car:

  1. Working voltage: DC 9-12V
  2. Motor drive chip: TB6612FNG
  3. Body posture detection: MPU-6050
  4. Comes with power control switch
  5. Comes with Bluetooth control switch for controlling serial communication

Pay special attention to:

The balance shield comes with a slide switch for controlling the Bluetooth communication.

When upload the source code, must turn the slide switch OFF; otherwise, code uploading will fail.

When connecting to the Bluetooth module, should turn the slide switch ON.

 Shipping List

  • Dual-pass M3*45MM hex copper pillar x4
  • Dual-pass M3*10MM hex copper pillar x4
  • Black M4*6 cross screw x2
  • M3*6MM round head screw x6
  • M3*8MM round head screw x10
  • M3*8MM flat head cross screw x4
  • M3*12MM flat head cross screw x2
  • M3*12MM round head screw x10
  • M3 nickel plating nut x12
  • Acrylic plate pack of 2pcs x1
  • Black+blue outer diameter 68mm thickness 26mm wheel x2
  • GM37-520 DC gear motor with hall encoder 12V,1:30,with type L holders x2
  • 6MM hole*18MM length Copper hex coupler x2
  • Double-head 6pin PH2.0 30CM connector wire x2
  • Yellow-black handle 3*40MM Phillips screwdriver x1
  • Type L M2 nickel plating inner hex wrench x1
  • 18650 3-cell AA battery case with 15CM lead+plug (18650 battery not included) x1
  • Keyestudio Balance Shield V3 (black and eco-friendly) x1
  • Keyestudio REV4 main board x1
  • AM/BM transparent blue OD:5.0 L=50cm USB cable x1
  • Keyestudio Bluetooth XBee HC-06 x1
  • Motor iron holder x2
  • Black winding tube x1


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