After downloading the release of the Arduino IDE, from the Arduino website, execute the program:
![](https://youspice.com/wp-content/uploads/2015/01/runarduino_4856029273114712983.png)
The main Arduino window appears:
![](https://youspice.com/wp-content/uploads/2015/01/arduinowindow_5157104161484773977.png)
Select the “Blink” example from the “File” menu:
![](https://youspice.com/wp-content/uploads/2015/01/selectblinkexample_1510114377111744398.png)
Arduino Step by Step Getting Serious
Create Arduino gadgets that can communicate, move, interact, measure and detect!!
The window displays the C code of the program:
![](https://youspice.com/wp-content/uploads/2015/01/blinkcode_8749272225023107637.png)
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:
![](https://youspice.com/wp-content/uploads/2015/01/saveas_4248295400468651917.png)
![](https://youspice.com/wp-content/uploads/2015/01/saveblink_6278972059459030866.png)
The program is saved in the .pde format:
![](https://youspice.com/wp-content/uploads/2015/01/pdeformat_8815516609165011908.png)