Book Image

Internet of Things Programming with JavaScript

Book Image

Internet of Things Programming with JavaScript

Overview of this book

The Internet of Things is taking the tech world by storm, and JavaScript is at its helm. This book will get you to grips with this exciting new technology. Where do Node.js, HTML5 and Windows 10 IoT Core come in with JavaScript and IoT? Why Raspberry Pi Zero rather than Arduino? How do you configure and build an IoT network from scratch? All your IoT JavaScript questions are answered in this book.

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Table of Contents (15 chapters)
Internet of Things Programming with JavaScript
Internet of Things Programming with JavaScript
Credits
Credits
About the Author
About the Author
www.packtpub.com
www.packtpub.com
Customer Feedback
Customer Feedback
Preface
Preface
Free Chapter
1
Getting Started with Raspberry Pi Zero
Getting Started with Raspberry Pi Zero
Setting up Raspberry Pi Zero
Connecting to the home network and accessing remotely
How to install the wireless tools
Testing the communication
Updating the package repository
Remote Desktop
Configuring a web server
Testing the PHP installation
Summary
2
Connecting Things to the Raspberry Pi Zero
Connecting Things to the Raspberry Pi Zero
Connectting digital input - sensor DS18B20
Configuring the one-wire protocol
Connecting analog inputs using an MCP3008 ADC Converter
Raspberry Pi GPIO header
Connecting an RTC
DS3231 module setup
Testing the RTC
I2C device setup
Putting the real-time clock to final test
Summary
3
Connecting Sensors - Measure the Real Things
Connecting Sensors - Measure the Real Things
Measuring flow sensor to calculate the volume of water
Reading and counting pulses with Arduino
Calculating water flow rate based on the pulses counted
Calculating flow and volume of water:
Measuring the concentration of gas
Measuring the level of alcohol with a sensor
Detecting fire with a sensor
Measuring the humidity for plants
Measuring the level of water in a recipient
Measuring temperature, humidity, and light and displaying data on an LCD
Detecting motion with a PIR sensor
Detecting if the door is open with a reed switch
Detecting who can get in the house with a fingerprint sensor
Summary
4
Control-Connected Devices
Control-Connected Devices
Making a simple web server with Node.js
Controlling a relay from a Raspberry Pi Zero using Restful API and Node.js
Controlling the relay using aREST commands from a web browser
Configuring Node.js on a computer as a web server
Monitoring temperature, humidity, and light using Node.js with Arduino Wi-Fi
Monitoring temperature, humidity, and light using Node.js with Arduino Ethernet
Summary
5
Adding a Webcam to Monitor Your Security System
Adding a Webcam to Monitor Your Security System
Interaction between Arduino and Raspberry Pi
Arduino interface in Raspian
Controlling an output connected to Arduino from Raspberry Pi Zero
Controlling the Arduino board from Python
Connecting a TTL serial camera to Arduino and saving pictures to a micro SD
Detecting motion with the serial TTL camera
Controlling a snapshot from Raspberry Pi
Controlling your camera from a web page
Monitoring your USB camera for security in a network
Summary
6
Building a Web Monitor and Controlling Devices from a Dashboard
Building a Web Monitor and Controlling Devices from a Dashboard
Configuring MySQL database server
Installing PhpMyAdmin for administrating databases
Datalogger with MySQL
Data queries from the database
Controlling and dimming a LED
Controlling the speed of a DC motor
Controlling Lights with electrical circuits
Other appliances
Remote access from anywhere to your Raspberry Pi Zero
Controlling lights and measuring current consumption
Controlling and monitoring Arduino, Wi-Fi, and Ethernet shields on connected devices and sensors
Summary
7
Building a Spy Police with the Internet of Things Dashboard
Building a Spy Police with the Internet of Things Dashboard
Spy microphone that detects noise
Regulating the current of an AC lamp dimmer
Controlling access with an RFID card
Detecting smoke
Building an alarm system using the Raspberry Pi Zero
Monitoring the climate from a remote dashboard
Summary
8
Monitoring and Controlling Your Devices from a Smart Phone
Monitoring and Controlling Your Devices from a Smart Phone
Controlling a relay from a smart phone using APP Inventor
Creating our first application
Reading JSON response in Android Studio using ethernet shield
Android application
Controlling a DC motor using  an Android Application
Controlling outputs from android using your Raspberry Pi Zero
Controlling outputs with Raspberry Pi via Bluetooth
Summary
9
Putting It All Together
Putting It All Together
Integrating the system - development projects
Solar power monitor circuit
Automatic irrigation system with a soil sensor
Arduino water-level controller
Bluetooth based home automation
Controlling access with a matrix keyboard
Controlling the door lock with a keypad
Integrating the system control with relays and devices
How to set up the power supplies
Summary

Summary

This is the last chapter of the book, Internet of Things Programming with JavaScript. In this chapter, you learned how to integrate all the elements that you need to take into consideration when you want to apply the tools of hardware and software in the projects that we showed you. This is going to help you to continue developing your own projects, following the basics and the knowledge shared in this book.

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End of Chapter 9
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