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Questions
You can contact us at <questions@packtpub.com> if you are having a
problem with any aspect of the book, and we will do our best to address it.
Chapter 1. Discover the Arduino
Ethernet Shield
In this first chapter of the book, we will only focus on the basics and get
started with the Arduino Ethernet shield. In order to build more complex
projects in the next chapters of the book, we first need to be absolutely sure
that our shield is functioning correctly, and it can connect to our local network
and the Web.
To ensure this, we'll first assemble the hardware, and then build a simple
Arduino sketch that will connect to the Web, grab a test web page, and
display it back inside the Arduino Serial Monitor.
These will be the major takeaways of this chapter:
• First, we'll make sure that you have all the required hardware and software
components. We are also going to assemble the shield and the Arduino Uno
board, and connect everything to our local network via a router.
• Then, we will write the sketch that will connect your shield to your local network
as well as the Web, and this sketch will grab a test page to make sure your
connection is working correctly.
• Finally, we are going to test this sketch and monitor the status of the Ethernet
shield on the Arduino Serial Monitor. From this first test of the shield, we'll be able
to tell whether the shield is correctly connected to the Internet or not.
Hardware and software requirements
You don't need a lot of hardware for this first project. You only need an
Arduino Uno board, and of course, the Arduino Ethernet shield. Other boards
such as the Arduino Mega will work as well for the projects in the first chapter
of the book, but you might face difficulties for the projects in the following
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