Click on the Mac OS X Installer link to download the installer
Then double click to expand/launch it
it will automatically give you the Arduino app the teal icon:
Install Drivers (if not using Arduino UNO)
If you have an official Arduino UNO you won't need to install any other software. However, if you have an Arduino compatible with a CP210x or FTDI USB to serial converter, you may need to install a driver.
You can download the latest CP210x driver here and the latest FTDI driver here
You can download the latest CP210x driver here Visit the website, download and double-click the pkg to install the driver. Once done, reboot! |
You can download the latest FTDI driver here Visit the website, download and double-click the pkg to install the driver. Once done, reboot! |
Find your Serial Port Device
You can use Terminal to help find and verify your Arduino. First, launch the Terminal app - you can Command-F to Find the Terminal.app program:
Double click to launch it. At the text prompt, type in ls /dev/cu*
(note the first letter is a lower-case L)
Make sure you see a line with the text /dev/cu.usbmodemxxxx or /dev/cu.usbserial-xxxxx where the xxx's can be anything. This indicates that the driver installed properly and that the Arduino was found.
You can close the Terminal program now