通过API调用，可以把从键盘接收到的字符串到串口，然后把获得的字符显示在屏幕上-through API calls can be received from the keyboard to the string of serial and then the characters were shown on the screen

Compile the server and the client separately (it s 2 programs) Then with the server running, connect with the client and make the server s "window" move arround the screen with simple arrow keys on the keyboard of the client computer.

socket编程，实现远程屏幕控制，可以查看远程屏幕，并且可以控制对方鼠标和键盘-socket programming, remote screen control, you can view the remote screen, and can control the other mouse and keyboard

屏幕控制的程序，建立连接后，可以查看远程屏幕，操作对方的鼠标和键盘-Screen control procedures to establish a connection, you can view the remote screen, the operation of the other side of the mouse and keyboard