Introduction - If you have any usage issues, please Google them yourself
This experiment will introduce how to create a simple Qtopia2.2.0 program, and integrated into the Qtopia2.2.0, we will take PWM as an example to control the buzzer, complete the steps to demonstrate the development of a Qtopia2.2.0 application, including the use of designer design of graphical programming interface, cross compile the arm version of the program.