# Hello World ## Overview hello_world example project shows the simple functions of serial port output and lighting. In this project, the serial port outputs "hello world"; Manually input the string information through the keyboard and print it through the serial port. ## Board Setting No special settings ## Running the example When the project runs correctly, and the serial port terminal will output the following information: ```console hello world ``` If you manually input "hello hpmicro" through the keyboard at this time, the serial port terminal will output the following information: > hello hpmicro