Frequently Asked Questions

Wireless Access A1

The A1 can be wirelessly accessed by its onboard hotspot. It usually has the name UnitreeRoboticsA1-## followed by the model number. The default password is 00000000.

  • The main controller ip:

ssh -X unitree@192.168.123.161

  • The Nvidia controller ip:

ssh -X unitree@192.168.123.12

Important

The password for both are 123.

The Unitree App can be used to view the robot as well.

  • For recording and visualing its data, it is recommended to use record a rosbag transfer it back to your computer and play it:

  • Record rosbag:

rosbag record -a

  • Play rosbag:

rosbag play -l <file_name.bag>

Display not visible A1

There are two pcs on the robot. The front side of the robot has some ports they are for Rasberry Pi. Here you can connect the HDMI cable and than restart the robot because if the robot is turned on and than you connect an HDMI adapter then it will not show anything. So you have to restart after connecting the HDMI. For Nvidia the same procedure applies.

Note

The Nvidia’s moetherboard goes to sleep, so if you connect an external mouse or keyboard you can directly wake it up.

No Video Stream A1

The Real-sense device on board A1 is connected to the Nvidia board so Intel real-sense must run from the Nvidia board.

There is no ROS driver is running by default on the board.To get it to work:

  1. Run the perception driver on Nvidia board.

  2. To get all the camera feed to your remote PC either use:

  • ROS multi machine communication (ROS network setup)

    and get everything from Nvidia to your remote PC.

  • You can export the ports from your Nvidia board and use on your remote PC.The

    Turtlebot preception guide can be followed whith slight modification in device configuration.