ubuntu20.04安装ros2humble

抱歉，我可以回答这个问题。要安装ROS2 Humble，您可以按照以下步骤进行操作：

1. 添加ROS2 Humble软件包源

sudo apt update && sudo apt install curl gnupg2 lsb-release

curl -s https://raw.githubusercontent.com/ros/rosdistro/master/ros.asc | sudo apt-key add -

sudo sh -c 'echo "deb [arch=amd64,arm64] http://packages.ros.org/ros2/ubuntu focal main" > /etc/apt/sources.list.d/ros2-latest.list'

2. 安装ROS2 Humble

sudo apt update

sudo apt install ros-foxy-desktop

3. 设置ROS2 Humble环境

source /opt/ros/foxy/setup.bash

4. 测试ROS2 Humble

ros2 run demo_nodes_cpp talker

以上就是安装ROS2 Humble的步骤，希望能对您有所帮助。