Prototyping the Internet of Things with JavaScript
Prototyping the Internet of Things with JavaScript
About the Book
The book is about using JavaScript to quickly prototype Internet of Things projects that involve both connected hardware and online applications/services. It leverages on hardware platforms for the IoT that can already be programmed in JavaScript (like the Tessel WiFi board) and on frameworks like the Node-RED for easily prototyping IoT applications. In addition it shows how to use use of a complete open-source solution for IoT data streaming and management. Prototyping the Internet of Things with JavaScript provides you with all the building blocks you need to start developing end-to-end IoT applications in JavaScript.
More specifically you will learn about:
- What is the Internet of Things and why prototype with JavaScript
- Programming the Tessel WiFi and the Espruino
- Using various sensors and actuators
- IoT protocols like MQTT, CoAP and WebSockets
- Turning your RaspberryPi into an IoT Gateway
- Manage IoT data with servIoTicy
- Create your device API with LoopBack
- Building a full end-to-end IoT application
About the Author
Table of Contents
- Foreword
- Part 1 JavaScript for the Internet of Things
-
The Internet of Things
- So what is the Internet of Things?
- Basic components of the IoT
- Open Source Hardware for the IoT
- Open Source Software for the IoT
- Summary
-
JavaScript for the Internet of Things
- Why JavaScript ?
- Meet the Espruino board
- Meet the Tessel WiFi board
- JavaScript & IoT: What else is out there?
- Summary
- Part 2 Programming IoT Devices with JavaScript
- Working with the Espruino board
- Working with the Tessel board
-
Sensors and Actuators
- How Sensors work
- Examples of sensors and working principles
- Actuators
- Working with sensors & actuators
- Summary
-
Communication modules
- RFID
- Bluetooth
- ZigBee
- WiFi
- RF links
- Mobile Internet
- Wired Communication
- What to use in IoT projects?
- The IoT Protocols: Make it talk with the Internet
- Creating an IoT Gateway with RaspberryPi and JavaScript
-
The Node-RED IoT Workflow Editor
- Introduction
- Setup your Node-RED instance
- Your first Node-RED flows
- Writing custom code using function nodes
- The default Node-RED nodes
- Install additional nodes
- Make it blink - Use Node-RED to control hardware
- Your first IoT flow
- Prototype a complete IoT application
- Summary
- Part 3 Prototyping an IoT Application
-
Use MQTT on the Server side
- Install an MQTT broker
- Create a Node.js MQTT broker application for better client management
- Using WebSockets for responsive WebClients
- Create your Device API with LoopBack
-
Manage IoT Data with servIoTicy
- What is servIoTicy
- Basic Terminology: Service Objects, Streams and Channels
- Create and Manage a Service Object
- Upload some data
- Retrieve data and make queries
- Data Subscriptions: Get notified on new sensor data
- Actuations: Control your devices over MQTT or WebSockets
- Summary
- Build a complete end-to-end IoT Application
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