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Hands-On Internet of Things with Blynk

You're reading from Hands-On Internet of Things with Blynk Build on the power of Blynk to configure smart devices and build exciting IoT projects

Product type Paperback

Published in May 2018

Publisher Packt

ISBN-13 9781788995061

Length 271 pages

Edition 1st Edition

Languages

C++

Tools

Blynk

Concepts

IoT Development

Author (1):

Pradeeka Seneviratne

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Table of Contents (10) Chapters

Preface

1. Setting Up a Development Environment FREE CHAPTER

2. Building Your First Blynk Application

3. Using Controller Widgets

4. Using Display Widgets

5. Using Notification Widgets

6. Connecting with Sensors on Your Mobile Device

7. Setting Up a Personal Blynk Server

8. Controlling a Robot with Blynk

9. Other Books You May Enjoy

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Summary

In this chapter, you learned how to use controller widgets such as Slider, Step, zeRGBa, and Joystick with your Blynk app to control actuators with digital and virtual pins. Using virtual pins allows you to overcome the PWM pin limitation of the Raspberry Pi, as the Raspberry Pi has only one PWM pin, BCM_GPIO 18. You also used the software PWM library, which is the part of the WiringPi library used to define any GPIO pin as a PWM-enabled pin to work with controllers that have multiple outputs in merge mode.

In Chapter 4, Using Display Widgets, you will learn how to build applications with display widgets.

The rest of the chapter is locked

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Authors (1)

Seneviratne

Seneviratne

Pradeeka Seneviratne is a software engineer with over 10 years' experience in computer programming and systems design. He is an expert in the development of Arduino- and Raspberry Pi-based embedded systems. Pradeeka is currently a full-time embedded software engineer who works with embedded systems and highly scalable technologies. Previously, he worked as a software engineer for several IT infrastructure and technology servicing companies. He collaborated with the Outernet project as a volunteer hardware and software tester for Lighthouse- and Raspberry Pi-based DIY Outernet receivers based on Ku band satellite frequencies. He is also the author of five books: Internet of Things with Arduino Blueprints [Packt Publishing] IoT: Building Arduino-Based Projects [Packt Publishing] Building Arduino PLCs [Apress] Raspberry Pi 3 Projects for Java Programmers [Packt Publishing] Beginning BBC micro:bit [Apress]

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