Reminds me of the DOS era, the software often write some crazy prank virus to " show their talent" , and hardware engineers in the next only envy envy. Men learn the USB protocol today, find a way to trick the hardware, much suffering to the annual hardware engineers a chance. The entire circuit is very simple, the effect may in general.

恶作剧--USB键盘\DebugCon.h
...............\Descriptor.c
...............\Descriptor.o
...............\main.c
...............\main.err
...............\main.o
...............\MyType.h
...............\PIC_USB.C
...............\PIC_USB.err
...............\PIC_USB.h
...............\PIC_USB.o
...............\UART.C
...............\UART.err
...............\UART.h
...............\UART.o
...............\USB keyboard.cof
...............\USB keyboard.hex
...............\USB keyboard.map
...............\USB keyboard.mcp
...............\USB keyboard.mcs
...............\USB keyboard.mcw
...............\USB keyboard.mptags
...............\USB keyboard.tagsrc
...............\usbcore.c
...............\usbcore.err
...............\usbcore.h
...............\usbcore.o
...............\恶作剧--USB键盘.doc
恶作剧--USB键盘

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