OS Install and KDE Desktop Environment

• Download Ubuntu 20.04 (arm64): https://ubuntu.com/raspberry-pi

Desktop environment will be installed when setting up Mycroft.

Do a sudo apt update and sudo apt upgrade.

Disable unattended-upgrades: https://ostechnix.com/how-to-disable-unattended-upgrades-on-ubuntu/

Install lightdm: sudo apt install lightdm

Mycroft

• https://github.com/UMD-AIMAR/documentation/wiki/Mycroft-Setup

ROS

• "Noetic" tab: https://emanual.robotis.com/docs/en/platform/turtlebot3/sbc_setup/#sbc-setup

https://github.com/stereolabs/zed-ros-wrapper/issues/569

Touchscreen (optional)

• There is a touchscreen currently attached to the pi, but right now the touch capability is not working. You can get it working if you want, or just use a mouse
• product page: https://www.elecrow.com/hdmi-5-inch-800x480-tft-display-with-automatic-backlight-control.html
• datasheet: https://www.elecrow.com/wiki/index.php?title=HDMI_5_Inch_800x480_TFT_Display_with_automatic_backlight_control
• Attach wires from the pi to the screen. You will need to attach pins 1, 2, 11, 6, 19, 21, 22, 23, 26.
• driver instructions: https://www.elecrow.com/download/How%20to%20install%20the%20LCD%20driver.pdf
• Important part of the driver instructions:

git clone https://github.com/Elecrow-keen/Elecrow-LCD5.git
cd Elecrow-LCD5
cd Elecrow-LCD5
chmod +x Elecrow-LCD5
sudo ./Elecrow-LCD5
reboot

• Secure screen to robot, screen needs power