Building Wireless Sensor Networks Using Arduino.pdf

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Building Wireless Sensor Networks Using Arduino

Credits

About the Author

About the Reviewers

www.PacktPub.com

Support files, eBooks, discount offers, and more

Why subscribe?

Free access for Packt account holders

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Errata

Piracy

eBooks, discount offers, and more

Questions

1. A World without Wires

XBee radio hardware

XBee product families

Versions and variants

Official XBee documentation

Your first transmission

Using the SparkFun XBee Explorer USB

Getting and running XCTU

Updating the firmware

Failed firmware updates

Configuration

Talking to the XBee module

Receiving data

Uploading the sketch

Connecting the XBee

Receiving data

Switching to API mode

First module in API mode

Sending data

Second module in API mode

Starting and joining a network

Module addressing

Network scanning and remote configuration

The Commissioning button and LEDs

Making your network secure

Distributing the network key

Trust center link key

Trust center terminology differences

Selecting encryption keys

Setting up your secure network

Disabling network joining

Other XBee families

Configuration values

Summary

2. Collecting Sensor Data

Hardware setup

Serial on XBee

Handshaking signals

Voltage levels

Serial on a computer

Serial on Arduino

XBee shields

Other shields

Software setup

Example sketches

Variable types

PROGMEM and F() strings

Pointers

Serial port setup

The xbee-arduino library

Creating the sketch

Sending and receiving data

Sending data

The ZBTxRequest objects

Creating the sketch

Blocking and polling

Running the sketch

Callbacks

Callback types

Callback limitations

Receiving data

The ZBRxResponse objects

Creating the sketch

Collecting sensor data

Reading a DHT22 sensor

Handling packets using binary.h

Building and sending a packet

Constructing a packet using binary.h

Creating the sketch

Receiving and parsing a packet

Parsing a packet using binary.h

Creating the sketch

Troubleshooting

Communication with the XBee module is not working

Modules are not joining the network

Modules cannot talk to each other

Summary

3. Storing and Visualizing Your Data

Storing your data in the cloud

Introducing Beebotte

Channels and resources

Security

Access protocols

Sending your data to Beebotte

Preparing Beebotte

Connecting your Arduino to the Internet

Writing the sketch

Visualizing your data

Accessing your data

Keeping your data locally

Sending data over the serial port

Receiving data over the serial port

Summary

4. Controlling the World

Controlling your heating and/or cooling system

Replacing the thermostat

Controlling mains power

Hairdryer – an alternative

Control systems

Adding setpoint control

Subscribing to events

Reading events

Remembering sensor readings

Thermostat controller

Controlling a relay

Controlling off-the-shelf ZigBee devices

ZigBee profiles, endpoints, and clusters

ZigBee public profiles

Selecting a ZigBee device

Talking to a ZigBee on/off device

Joining the network

Factory reset in case of problems

Discovering services

The ZBExplicitTxRequest objects

Sending a message

The ZBExplicitRxResponse objects

Receiving messages

Receiving on/off command responses

More ZigBee features

Summary

5. Standalone XBee Operation

Creating a window sensor

Connecting things

Powering the module

Connecting the window sensor

I/O pin naming

Configuring the XBee module

Remotely sampling the pins

Querying the pin state

Automatically sending the sample data

The configuration values

Receiving the samples on the coordinator

The ZBRxIoSampleResponse objects

Receiving the I/O samples

Creating a standalone relay

Connecting things

Configuring the XBee module

Remotely toggling an output pin

Summary

6. Battery Power and Sleeping

Battery power

Lithium-ion and lithium polymer batteries

Regulators

Saving power

Power saving techniques

Knowing what to optimize and when to stop

XBee power-saving

The XBee sleep modes

Configuring the network

The sleeping window sensor

Battery power

Power usage

Arduino power-saving

The XBee configuration

Hardware

Powering the Arduino

Hardware connections

Putting the Arduino to sleep

Sleep modes

Waking up

Creating the sketch

Power usage

Summary

Index

Building Wireless Sensor Networks Using Arduino

Table of Contents Building Wireless Sensor Networks Using Arduino Credits About the Author About the Reviewers www.PacktPub.com Support files, eBooks, discount offers, and more Why subscribe? Free access for Packt account holders Preface What this book covers What you need for this book Who this book is for Conventions Reader feedback Customer support Downloading the example code Errata Piracy eBooks, discount offers, and more Questions 1. A World without Wires XBee radio hardware XBee product families Versions and variants Official XBee documentation Your first transmission Using the SparkFun XBee Explorer USB Getting and running XCTU Updating the firmware Failed firmware updates Configuration Talking to the XBee module Receiving data Uploading the sketch Connecting the XBee Receiving data Switching to API mode First module in API mode Sending data Second module in API mode Starting and joining a network

Module addressing Network scanning and remote configuration The Commissioning button and LEDs Making your network secure Distributing the network key Trust center link key Trust center terminology differences Selecting encryption keys Setting up your secure network Disabling network joining Other XBee families Configuration values Summary 2. Collecting Sensor Data Hardware setup Serial on XBee Handshaking signals Voltage levels Serial on a computer Serial on Arduino XBee shields Other shields Software setup Example sketches Variable types PROGMEM and F() strings Pointers Serial port setup The xbee-arduino library Creating the sketch Sending and receiving data Sending data The ZBTxRequest objects Creating the sketch Blocking and polling Running the sketch Callbacks Callback types Callback limitations Receiving data The ZBRxResponse objects Creating the sketch Collecting sensor data Reading a DHT22 sensor

Summary 3. Storing and Visualizing Your Data Storing your data in the cloud Introducing Beebotte Channels and resources Security Access protocols Sending your data to Beebotte Preparing Beebotte Connecting your Arduino to the Internet Writing the sketch Visualizing your data Accessing your data Keeping your data locally Sending data over the serial port Receiving data over the serial port Summary 4. Controlling the World Controlling your heating and/or cooling system Handling packets using binary.h Building and sending a packet Constructing a packet using binary.h Creating the sketch Receiving and parsing a packet Parsing a packet using binary.h Creating the sketch Troubleshooting Communication with the XBee module is not working Modules are not joining the network Modules cannot talk to each other Replacing the thermostat Controlling mains power Hairdryer – an alternative Control systems Adding setpoint control Subscribing to events Reading events Remembering sensor readings Thermostat controller Controlling a relay Controlling off-the-shelf ZigBee devices ZigBee profiles, endpoints, and clusters ZigBee public profiles Selecting a ZigBee device

Talking to a ZigBee on/off device Joining the network Factory reset in case of problems Discovering services The ZBExplicitTxRequest objects Sending a message The ZBExplicitRxResponse objects Receiving messages Receiving on/off command responses More ZigBee features Summary 5. Standalone XBee Operation Creating a window sensor Connecting things XBee power-saving The XBee sleep modes Configuring the network The sleeping window sensor Battery power Power usage Arduino power-saving Powering the module Connecting the window sensor I/O pin naming Configuring the XBee module Remotely sampling the pins Querying the pin state Automatically sending the sample data The configuration values Receiving the samples on the coordinator The ZBRxIoSampleResponse objects Receiving the I/O samples Creating a standalone relay Connecting things Configuring the XBee module Remotely toggling an output pin Summary 6. Battery Power and Sleeping Battery power Lithium-ion and lithium polymer batteries Regulators Saving power Power saving techniques Knowing what to optimize and when to stop

The XBee configuration Hardware Powering the Arduino Hardware connections Putting the Arduino to sleep Sleep modes Waking up Creating the sketch Power usage Summary Index

Building Wireless Sensor Networks Using Arduino

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