Installing Arduino on Your Computer
To program the Arduino board, you must first download the development environment (the IDE) from here: www.arduino.cc/en/Main/Software. Choose the right version for your operating system.
Download the file and double-click on it to uncompress it; this will create a folder named arduino-[version], such as arduino-0012. Drag that folder to wherever you would like it to be: your desktop, your /Applications folder (on a Mac), or your C:\Program Files folder (on Windows). Now whenever you want to run the Arduino IDE, you'll open up the arduino folder, and double-click the Arduino icon. Don't do this just yet, though; there is one more step to perform.
Note
NOTE: If you have any trouble running the Arduino IDE, see Chapter 7, Troubleshooting.
Now you must install the drivers that allow your computer to talk to your board through the USB port.
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