Apple OSX

  1. Locate the Arduino icon, typically found in the main /Applications folder.

  2. Hold down the Control key on the keyboard and click the Arduino icon, usually located in the /Applications folder. This will pop up a context-sensitive menu.

  3. Select the Show Package Contents option from the pop-up menu. This will open a folder containing the Arduino application resources.

  4. Navigate to the Contents/Resources/Java/libraries folder.

  5. Copy the new library files into this libraries folder.

If you prefer, you can also place library files in your home directory’s Documents/Arduino/libraries folder.

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