Introduction - If you have any usage issues, please Google them yourself
1, to learn the use of Proteus, 2, to learn and master the Keil C compiler environment do 51 System Development 3, further study clock algorithms, will use the hardware to achieve this algorithm 4, understanding RTOS based on the time-sharing the use of multi-tasking CPU, have the task to create, delete, waiting, as well as the synchronization between the mandates of the basic procedures for multi-tasking design method, grasp the basic principles of the operating system.