# GeekServo 2KG Servo

2KG Servo (HKBD8008A)

![](https://kittenbothk-eng.readthedocs.io/en/latest/_images/image--0031.png)

This is a servo compatible with Lego technic parts, compared to 9g Servos, it can produce a higher torque. The output axle is a Lego technic axle connector. It is suitable for applications where a precise control is required.

### Specifications

* Operating Voltage: 3.3V\~6V
* Rated Voltage: 4.8V
* Rated Current: 70mA
* Blocked Rotor Current: 900mA
* Slipping Current: 700mA
* Maximum Torque: 1.6kg±0.2kg/cm(4.8V)
* Rotational Speed: 60°/0.14s
* Rotational Range: 0°\~360°
* Weight: 20g
* Connector: Orange-Red-Brown Servo Connector

### Special Features

![](https://kittenbothk-eng.readthedocs.io/en/latest/_images/2kg_1.jpg)

Inherits the special features of the 9g servo while improving torque and speed at the same time.

* Uses an axle connector for output
  * Allows connecting axles of different lengths to better suit your needs
* Dual Outputs
  * Output axles are found on both sides
* Larger rotational range
  * Has a full 360° range
* Higher Torque
  * About 3 times the torque of a 9g servo

### Dimensions

#### In Lego units:

* Length: 5
* Width: 3
* Height: 3
* Output Axle: Technic Axle

#### In mm units:

* Length: 40mm
* Width: 24mm
* Height: 24mm
* Output Axle: Technic Axle

![](https://kittenbothk-eng.readthedocs.io/en/latest/_images/0111.png)

### Connection

#### ArmourBit

Connect the servo to the servo ports of the Armourbit.

![](https://kittenbothk-eng.readthedocs.io/en/latest/_images/2kservoCon.jpg)

```
Orange to Yellow, Red to Red, Brown to Black.
```

#### RobotBit

Connect the servo to the servo ports of the Robotbit.

![](https://kittenbothk-eng.readthedocs.io/en/latest/_images/2kservoConRB.jpg)

![](https://kittenbothk-eng.readthedocs.io/en/latest/_images/2kservoConRB1.jpg)

```
Orange to Yellow, Red to Red, Brown to Black.
```

### MakeCode Coding Tutorial

![](https://kittenbothk-eng.readthedocs.io/en/latest/_images/mcbanner3.png)

![](https://kittenbothk-eng.readthedocs.io/en/latest/_images/acbanner1.png)

#### This module can be used by Micro:bit and Meowbit.

#### The programming for ArmourBit and Robotbit are identical.

#### ArmourBit

***

#### Load Powerbrick Extension: <https://github.com/KittenBot/pxt-powerbrick>

#### [Loading Extension](https://sharinghub-eng.kittenbot.hk/programming-platforms/makecode-tutorial/kittenbot-and-makecode)

#### RobotBit

***

#### Load Robotbit Extension:

![](https://kittenbothk-eng.readthedocs.io/en/latest/_images/robotbitExtension1.png)

***

#### Blocks for controlling servos:

![](https://kittenbothk-eng.readthedocs.io/en/latest/_images/2kservoblocks1.png)

#### Programming the servos

![](https://kittenbothk-eng.readthedocs.io/en/latest/_images/2kservocode1.png)

[Sample Code Link](https://makecode.microbit.org/_Fxq45rHFrD8s)

#### Meowbit:

***

#### Load Robotbit Extension: <https://github.com/KittenBot/meow-robotbit>

#### [Loading Extensions](https://sharinghub-eng.kittenbot.hk/programming-platforms/makecode-tutorial/kittenbot-and-makecode)

#### Blocks for controlling motors:

![](https://kittenbothk-eng.readthedocs.io/en/latest/_images/servoblocks_meow1.png)

### Programming the motors

![](https://kittenbothk-eng.readthedocs.io/en/latest/_images/2kservocode_meow1.png)

[Sample Code Link](https://makecode.com/_2syJW2iFPUMx)

### Extension Version and Updates

There may be updates to extensions periodically, please refer to the following link to update/downgrade your extension.

[MakeCode Extension Update](https://sharinghub-eng.kittenbot.hk/programming-platforms/makecode-tutorial/makecode-extension-updates)

### KittenBlock Coding Tutorial

![](https://kittenbothk-eng.readthedocs.io/en/latest/_images/kbbanner1.png)

***

#### Armourbit

#### Load Powerbrick extension

Select Powerbrick from the Hardware Menu.

![](https://kittenbothk-eng.readthedocs.io/en/latest/_images/addextension2.png)

#### Blocks for controlling servos:

![](https://kittenbothk-eng.readthedocs.io/en/latest/_images/kbservoblocks1.png)

#### Programming the servos:

![](https://kittenbothk-eng.readthedocs.io/en/latest/_images/2kkbservo1.png)

***

#### Robotbit

#### Load Robotbit Extension

Open the hardware menu and select Micro:bit to load the extension for Micro:bit and Robotbit.

![](https://kittenbothk-eng.readthedocs.io/en/latest/_images/addRB11.png)

#### Blocks for controlling servos:

![](https://kittenbothk-eng.readthedocs.io/en/latest/_images/rbservoblocks1.png)

#### Programming the servos

![](https://kittenbothk-eng.readthedocs.io/en/latest/_images/rb2kservocode1.png)

### FAQ

1: The Micro:bit does not react when I click the programming blocks.

Make sure the Micro:bit has been connected to the Kittenblock and then try flashing the firmware.