How to install serial driver on macOS

Download driver for macOS

Download and run the program, It’s easy, noting to say about it.

BUT! after installation, you have to Enable this extension, It is Important!      Follow steps:

How to verify serial driver installation is OK?

Go to apple store  search “WCH”, download this app:

Run this app, Choose “串口号”, you will see:

There should be two serial named like usbserial like above image.

If there are no wchusbserialxxxx, It means your driver installation is not OK.

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