基于Proteus的hid usb仿真，用的是pic18f2550芯片，实现A/D数据2路采集，然后通过USB传输到PC中，没有上位机程序-Proteus hid usb-based simulation, using a pic18f2550 chip, to achieve A/D data 2-way acquisition, and then transferred to the PC via USB, there is no host computer program