After downloading the release of the Arduino IDE, from the Arduino website, execute the program:

The main Arduino window appears:

Select the “Blink” example from the “File” menu:

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The window displays the C code of the program:

This program simply toggles an LED on and off with a 1-second interval for each operation. Let’s save the program in a directory of our choosing:


The program is saved in the .pde format:
