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Arduino Essentials

Arduino Essentials

By : Perea
5 (5)
Buy this Book
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Arduino Essentials

Arduino Essentials

5 (5)
By: Perea
Buy this Book

Overview of this book

If you are a hobbyist who wants to develop projects based on Arduino as the main microcontroller platform or an engineer interested in finding out what the Arduino platform offers, then this book is ideal for you. Some prior knowledge of the C programming language is required.
Table of Contents (12 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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Disclaimer
Free Chapter
1
1. Meeting the Arduino Family
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1. Meeting the Arduino Family
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A game changer
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Common features
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Just one to rule them all
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Users teaching users
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Summary
2
2. The Arduino Development Environment
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2. The Arduino Development Environment
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A multiplatform tool
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Downloading the package
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Installing the software
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Installing the drivers
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Running the Arduino development environment for the first time
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Preflight checks
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Uploading our first sketch
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Main menus and commands
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The Arduino language
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Summary
3
3. Interacting with the Environment the Digital Way
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3. Interacting with the Environment the Digital Way
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Digital versus analog signals
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Our first circuit
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Summary
4
4. Controlling Outputs Softly with Analog Outputs
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4. Controlling Outputs Softly with Analog Outputs
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Dealing with analog signals
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The analog output circuit
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Connections diagram
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Analog control through code
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Motor control with a transistor
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Summary
5
5. Sensing the Real World through Digital Inputs
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5. Sensing the Real World through Digital Inputs
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Sensing by using inputs
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Connecting a button as a digital input
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The momentary push button
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Complete circuit schematic
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Breadboard connections diagram
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Writing code to react to a press
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Timing and debouncing
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Other types of digital sensors
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Using an optocoupler as a coin detector
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The schematic of the coin detector
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The breadboard connections diagram
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The complete example code
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A real working project
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Summary
6
6. Analog Inputs to Feel Between All and Nothing
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6. Analog Inputs to Feel Between All and Nothing
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Sensing analog values
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The Arduino map function
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An ambient light meter
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An ambient light meter circuit
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DC motor speed control revisited
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Summary
7
7. Managing the Time Domain
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7. Managing the Time Domain
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Time control functions
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Making some noise
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A bigger project – a metronome
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Summary
8
8. Communicating with Others
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8. Communicating with Others
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Serial communications concepts
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Other types of serial communication
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Calibrating sensors serially
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Sending data to Arduino
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A computer connected dial thermometer
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Summary
9
9. Dealing with Interrupts
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9. Dealing with Interrupts
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The concept of an interruption
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The tachograph project
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A dial tachograph
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Summary
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10. Arduino in a Real Case – Greenhouse Control
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10. Arduino in a Real Case – Greenhouse Control
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A greenhouse controller
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The greenhouse controller code
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Summary
11
Index
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Index

Our first circuit

To begin working with digital outputs, we are going to connect a very simple circuit to our Arduino board and write some code to deal with it.

In the rest of the book, I'll present you with different circuits that we will have to assemble and connect to the Arduino board. Regarding the external circuits assembly, nowadays we don't really have to solder all parts to a printed circuit board to get our circuit up and running. We can simply use a bunch of short wires, called jumpers, and a breadboard.

Before going on with our first circuit, let's take a look in detail at what a breadboard is and how to use it.

Using a breadboard

A breadboard is a square panel built in such a way that it allows the connection of the electronic component plugged into it without the need to solder them together or use any other form of connection among them.

Using a breadboard

A typical half size breadboard

As you can see in the preceding picture, the breadboard has a lot of holes distributed in four different...

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