2 🧩 Open the Box

You may receive one of the following versions of Bittle X:

  • Bittle X

    • Microcontroller Biboard V0

      • The groove connectors are on the extension hat under the board's top surface.

    • Support infrared remote control

  • Bittle X V2

    • Microcontroller Biboard V1

      • The groove connectors are on top of the microcontroller

    • It doesn't support an infrared remote control

Calibration Stand

We have published the 3D structure and instructions of the bracket online. If you have a 3D printer, you can print it by yourself. Please check this page for the Bittle X (Bittle X+Arm, Bittle) calibration stand: https://makerworld.com/en/models/1523424-calibration-and-test-stand-for-bittle-x-r-robot#profileId-1596686

OR : https://makerworld.com/en/models/457162-test-stand-for-petoi-bittle-robotic-dog#profileId-365135

2.1 Pre-assembled Bittle X

The following instruction is for pre-assembled BIttle X. Note that Bittle and Bittle X are of the same family, so the instruction is the same.

Insert the neck into the body and bend the knees to natural angles. Drag the curly wire from the knee side to the shoulder side to avoid squeezing when the knee joints rotate. Put the joints into the following posture before turning on the power.

Long press the battery's button for 2~3 seconds to power on/off. Unplug the insulation sheet of the infrared remote's battery, then you can control Bittle X to move. The robot will keep pausing its movements with beeping sounds when the battery is low. Then you need to charge the battery with a 5V USB Type-C cable. Considering safety, the battery won't supply power during charging.

Buzzer beep meaning:

The buzzer beep meaning is the same as Bittle's.

Adjust the buzzer volume

For the mainboard - BiBoard, you can adjust the volume of the buzzer by serial command b[0-10] in the serial monitor to change the volume, for example: "b3" to change the volume to 3 (the full scale is 10). "b0" will mute the buzzer, while "b" will toggle mute/unmute. If the volume is set to 0 and muted, it will be set to 5 when unmuted.

For how to open the serial monitor and input the serial command, please refer to the instructions in the Petoi Doc Center.

You can also use the serial command in the mobile app by creating a single command:

You can skip Chapter 3 Board Configuration and Chapter 4 Calibration. Go to Chapter 5 Play with BittleX directly.

2.2 Bittle X Construction Kit

If you order a Bittle X construction kit, you will build your own robot dog. You will learn more about robotics after understanding the design logic behind Bittle. Please follow the next chapter for details.

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