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Arduino programming
Arduino programming
Completion requirements
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Blink a LED, the Arduino 'hello world'.
2. The Arduino IDE
The Arduino IDE is a free (and open source!) application for writing code and uploading it to an Arduino board. In case your computer does not already have it installed, you can find it in this download page and click the option that best describes your system, following the instructions.
If you already have the Arduino IDE installed, open it. It looks like this:
