Setting up ROS on a Raspberry Pi (intended to be the Rover -- OpenMower)

Steps to install Raspberry Pi 4 with Ubuntu 20, ROS 1 and OpenMower

• Use this as guide https://x-tech.online/2022/01/installing-ros-noetic-on-a-headless-raspberry-pi-4-with-ubuntu-20-04/
  • Use the Raspberry Pi official imager
  • Use Ubuntu Server 20.04.4 LTS (RPI 3/4/400), 64 bit for the RPi4
  • Follow the guide, doing upgrades before ROS install, sudo apt update, sudo apt upgrade
• To get the ROS environment right in all your bash terminals: echo "source /opt/ros/noetic/setup.bash" >> ~/.bashrc
• Log out and in again to have ROS sourced in bash
• Follow instructions in https://github.com/ClemensElflein/OpenMower/tree/main/ROS
  • Clone main repo, recursively git clone --recursive https://github.com/ClemensElflein/OpenMower
  • sudo apt install python3-rosdep
  • sudo rosdep init
  • rosdep update
  • cd ~/OpenMower/ROS/
  • rosdep install --from-paths src --ignore-src -y
• catkin_make to build OpenMower. Note: Due to a missing dependency, you may need to do it 3-4 times before getting success