USB-HID上位机固件程序开发与USB-HID上位机调试程序开发-USB-HID firmware and PC USB debugger, debugging has passed.

pm2.5传感器的电脑端上位机程序，接上usb转串口之后就能在电脑上显示数据了-Pm2.5 sensor PC PC program, after turn connected to the usb serial port can display the data on the computer