cd ~/(your_work_space)/src git clone https://github.com/ros-drivers/velodyne.git -b melodic-devel cd .. catkin_make --only-pkg-with-deps velodyne You can use this ...
The I2CKeyPad8x8 library implements the reading of a 8x8 keypad by means of a PCF8575. Smaller keypads, meaning less columns or rows (e.g. 5x4) can be read with it too. Sometimes you need to control ...