本教教程在笔记本Ubuntu14.04(安装ROS indigo full)和数莓派3BUbuntu mate[16.04](安装ROS Kinetic full)测试通过
mkdir -p catkin_ws/src
cd catkin_ws/src
catkin_init_workspace
git clone https://github.com/bosch-ros-pkg/usb_cam.git
cd ..
catkin_make

屏幕截图
查看摄像头对应的设备号(也可以直接绑定摄像头)
ls /dev