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usb2ps2
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usb2ps2
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## 用途 公司或者主机设备没有usb接口，只能使用PS/2接口键盘。此程序完成USB HID keyboard协议向PS/2的scan code set 2转换。 ## 需要的硬件设备 1. arduino uno R3 2. USB Host Shield ## 使用说明 1. 默认PS/2接口的的四条数据线中，数据段和时钟段连接在Arduino的（4，2）。 2. 使用IDE刷入usb2ps2.ino即可 ## 参考文件 1. [USB HID to PS/2 Scan Code Translation Table](https://download.microsoft.com/download/1/6/1/161ba512-40e2-4cc9-843a-923143f3456c/translate.pdf) 2. [PS2键盘接口说明](http://www.burtonsys.com/ps2_chapweske.htm) 3. [模拟PS/2键盘](https://www.arduino.cn/thread-77766-1-1.html) ## Application scenario The company or host device does not have a usb interface and can only use the PS/2 interface keyboard. This program completes the conversion of the USB HID keyboard protocol to the PS/2 scan code set 2. ## Required hardware devices 1. Arduino uno R3 2. USB Host Shield ## Instructions for use 1. Among the four data lines of the default PS/2 interface, the data segment and the clock segment are connected to the Arduino (4, 2). 2. Use the IDE to brush usb2ps2.ino ## reference document 1. [USB HID to PS/2 Scan Code Translation Table](https://download.microsoft.com/download/1/6/1/161ba512-40e2-4cc9-843a-923143f3456c/translate.pdf) 2. [PS2 Keyboard Interface Description](http://www.burtonsys.com/ps2_chapweske.htm) 3. [Analog PS/2 Keyboard](https://www.arduino.cn/thread-77766-1-1.html)
