To find find your serial port list;

It’s a build-in method in Mac OS X to find all ports with a terminal command.

Run “Terminal” 

 

then you can read that serial port using the screen command, like this

 

for example:

 

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To create an Apple Script

Launch, “Script Editor” and copy/paste in the following code:

 

Then, compile and run the script. Terminal will be shown with serial connection.

Additionally, you can “Export…” the script as an Application which is very useful to run quickly.