5. Monitor Your Energy Consumption in the Cloud | Arduino Home Automation Projects

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Arduino Home Automation Projects

By : Marco Schwartz

4 (10)

Arduino Home Automation Projects

4 (10)

By: Marco Schwartz

Overview of this book

This book is divided into projects that are explained in a step-by-step format, with practical instructions that are easy to follow. If you want to build your own home automation systems wirelessly using the Arduino platform, this is the book for you. You will need to have some basic experience in Arduino and general programming languages, such as C and C++ to understand the projects in this book.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. Building Wireless XBee Motion Detectors

1. Building Wireless XBee Motion Detectors

Hardware and software requirements

Hardware configuration

Interfacing the PIR sensor with Arduino

Programming an XBee motion detector

Building a graphical interface for your XBee motion detectors

Summary

2. Control Lights from Your Phone or Tablet

2. Control Lights from Your Phone or Tablet

Hardware and software requirements

Hardware configuration

Testing the relays and Wi-Fi connection

Building a graphical interface to control the relays

Testing the graphical interface

Summary

3. Measuring the Temperature Using Bluetooth

3. Measuring the Temperature Using Bluetooth

Hardware and software requirements

Hardware configuration

Creating the Arduino sketch

Testing the temperature and humidity sensor

Measuring the temperature and humidity remotely

Summary

4. Weather Station in the Cloud with Xively

4. Weather Station in the Cloud with Xively

Hardware and software requirements

Connecting the different components

Testing the sensors

Setting up your Xively account

Building the Arduino sketch

Log in and display data on Xively

Summary

5. Monitor Your Energy Consumption in the Cloud

5. Monitor Your Energy Consumption in the Cloud

Hardware and software requirements

Making hardware connections

Testing the project

Configuring your Xively account

Sending power consumption data to Xively

Summary

6. Hack a Commercial Home Automation Device

6. Hack a Commercial Home Automation Device

Hardware and software requirements

Hardware configuration

Controlling the device from your computer

Building a graphical interface

Summary

7. Build Your Own Home Automation System

7. Build Your Own Home Automation System

Hardware and software requirements

Building an Arduino system from scratch

Testing the Arduino system

Designing a PCB for your home automation system

Fabricating the board

Designing and 3D printing a case for your home automation project

Summary

Index

Index

Customer Reviews

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3 star

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2 star

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1 star

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Testing the project

We can now write a simple test for the project, just to see if the hardware connections are correct. We are going to write the code inside the Arduino IDE. Note that this section explains the code for testing the project, and that can you find the complete code in the GitHub repository of the project.

The code starts by defining the pin of the current sensor:

#define CURRENT_SENSOR A0

We then define the different variables that are necessary for the test. Here, we are going to measure the current and the power. Note that we don't measure the voltage of the device, so you will have to define it yourself depending on your country:

float amplitude_current;
float effective_value;
float effective_voltage = 230; // Set voltage to 230V (Europe) or 110V (US)
float effective_power;
float zero_sensor;

Then, in the setup() function of the sketch, we need to get the zero value of the sensor. As we have an analog sensor, we need to know what the sensor is reading when no current is flowing...

Visually different images

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Tech Concepts

36

Programming languages

73

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