Hands-On Internet of Things with Blynk

By : Seneviratne

Buy this Book

Hands-On Internet of Things with Blynk

By: Seneviratne

Buy this Book

Overview of this book

Blynk, known as the most user-friendly IoT platform, provides a way to build mobile applications in minutes. With the Blynk drag-n-drop mobile app builder, anyone can build amazing IoT applications with minimal resources and effort, on hardware ranging from prototyping platforms such as Arduino and Raspberry Pi 3 to industrial-grade ESP8266, Intel, Sierra Wireless, Particle, Texas Instruments, and a few others. This book uses Raspberry Pi as the main hardware platform and C/C++ to write sketches to build projects. The first part of this book shows how to set up a development environment with various hardware combinations and required software. Then you will build your first IoT application with Blynk using various hardware combinations and connectivity types such as Ethernet and Wi-Fi. Then you'll use and configure various widgets (control, display, notification, interface, time input, and some advanced widgets) with Blynk App Builder to build applications. Towards the end, you will learn how to connect with and use built-in sensors on Android and iOS mobile devices. Finally you will learn how to build a robot that can be controlled with a Blynk app through the Blynk cloud and personal server. By the end of this book, you will have hands-on experience building IoT applications using Blynk.

Preface

Who this book is for

What this book covers

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Free Chapter

Setting Up a Development Environment

What is Blynk?

The Blynk app builder

Getting parts

Setting up software on Raspberry Pi

Installing prerequisite software on Raspbian

Connecting Raspberry Pi with Blynk Cloud

Summary

Building Your First Blynk Application

Controlling an LED

Building the Blynk app

Adding a Button widget

Running the project

Playing the app

Using virtual pins

Configuring Button widget with virtual pin

Modifying the main.cpp file

Running the project

Summary

Using Controller Widgets

Creating a project

Slider

Step

zeRGBa

Joystick

Summary

Using Display Widgets

Value Display

Labeled Value

LED

Summary

Using Notification Widgets

Twitter

Notification widget

Summary

Connecting with Sensors on Your Mobile Device

Accelerometer

Light sensor

Proximity sensor

Summary

Setting Up a Personal Blynk Server

Setting up a Blynk server on Raspberry Pi

Connecting the Blynk app builder with the server

Using the administration interface

Summary

Controlling a Robot with Blynk

Choosing a chassis kit

Creating a Blynk app

Motor driver

Summary

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