In this tutorial, you’ll learn the use of micro-ROS with Linux by testing a Ping Pong application. In the follow-up tutorial First micro-ROS application on an RTOS, you’ll learn how to build and bring this application on a microcontroller running the RTOS NuttX, FreeRTOS, or Zephyr.Finally, in the tutorial Zephyr Emulator you’ll learn how to test a micro-ROS application on a Zephyr emulator.