![](https://i0.wp.com/www.electronicssimplified.in/wp-content/uploads/2020/07/arduino-uno-r3.png?fit=400%2C300)
About Arduino
Arduino boards are able to read inputs –light on a sensor, a finger on a button, or a Twitter message –and turn it into an output –activating a motor, turning on an LED, publishing something online.
Getting the Arduino Ready
So we all can get started with the world of physical computing :
- First you must have your Arduino board (Arduino Uno) and a USB cable
- Download Arduino IDE Software
- or Download Pictoblox
- Power up your board by connecting it via USB
- Launch IDE
Using the Arduino IDE, you will have to run the application file as shown in the below picture.
![](https://i0.wp.com/www.electronicssimplified.in/wp-content/uploads/2020/07/launch_arduino_ide-1.png?fit=441%2C383)
Arduino IDE
- Create your first project
- Now open the file given to you
![](https://i0.wp.com/www.electronicssimplified.in/wp-content/uploads/2020/07/edit_file-1.png?fit=600%2C388)
We are ready to start Physical Computing with Arduino.
Let us start the “Hello World” of Physical Computing that is called as the blink.
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