Driver download

When installing the software, if the driver of cp210x is not installed automatically, you can download and install it manually (For Windows、MacOS）：

https://www.silabs.com/documents/public/software/CP210x_Windows_Drivers.zip

https://www.silabs.com/documents/public/software/Mac_OSX_VCP_Driver.zip

x64 corresponds to Windows 64-bits，x86 corresponds to Windows 32-bit