ROS: Setup rosserial (for ESP32 USB connection)

Follow:

http://wiki.ros.org/rosserial_arduino/Tutorials/Arduino%20IDE%20Setup

Execute:

sudo apt-get install ros-noetic-rosserial-arduino
sudo apt-get install ros-noetic-rosserial

And then:

  cd <ws>/src
  git clone https://github.com/ros-drivers/rosserial.git
  cd <ws>
  catkin_make
  catkin_make install

Launch receiver in Raspberry Pi:

rosrun rosserial_python serial_node.py /dev/ttyUSB0 57600