How to fix the Arduino Uno Serial Port Problem on Apple Mac Macbook Air
How to make your Arduino Uno clone work on your Apple Mac Macbook Air - serial port problem
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Link to buy an Arduino Uno clone on eBay:
https://rover.ebay.com/rover/1/711-53...
If you are unable to select the serial port for your Arduino Uno on your Mac, this video will show you how to resolve the problem.
Driver: http://www.wch.cn/download/CH341SER_M...
Command to type into TERMINAL, copy and paste this:
sudo nvram boot-args="kext-dev-mode=1"
