Chapter 1. Getting Started with Arduino and LEDs

Welcome to the exciting world of physical computing! Today, hobbyists and experts all over the world use Arduino to make interactive objects and to create cool prototypes. In this chapter, you will get introduced to different Arduino boards, followed by installation instructions for Arduino IDE. You will write a "Hello World" program using Arduino IDE and will learn about serial communication. By the end of this chapter, you will have a basic knowledge of Arduino and its IDE, which will be helpful in the remaining chapters of the book. In this chapter, we will cover the following:

• Arduino boards

• Arduino IDE

• Before you start

• "Hello World"

• Using serial communication

• The world of LED