通过USB接口芯片CH375实现模拟HID类USB键盘，通过CH375的外部固件模式，最大的特点是不需要安装驱动，即插即用，并且可连续发送数据，可以在txt文本中查看。我改进了上传数据的函数，使得此改变传递参数的值能直接控制PPT.-CH375 through the USB interface chip analog HID class USB keyboard, external firmware mode by CH375, the biggest feature is the need

CH375模拟HID键盘功能，免驱动，自动上传字符，通用性好，输入光标在那，就可把字符输入到那。-CH375 simulated HID keyboard function, free drive, automatically upload characters, common good, enter the cursor in that, you can go there to character input.

CH375 usb芯片模拟HID键盘的源码。-CH375 usb the chip simulation HID keyboard source.

CH375 实现HID——USB资料 实现键盘的通讯，PC成功读取数据-CH375 achieved HID- USB data communication the keyboard, PC successfully read data

ch375模拟usb键盘，并通过串口来控制，实现各种按键-ch375 analog usb keyboard, and through the serial port to control, to achieve a variety of key