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Internet of Things Programming with JavaScript

You're reading from Internet of Things Programming with JavaScript Get the best out of Arduino and Raspberry Pi Zero to develop Internet of Things projects using JavaScript

Product type Paperback

Published in Feb 2017

Publisher Packt

ISBN-13 9781785888564

Length 298 pages

Edition 1st Edition

Languages

JavaScript

Tools

Arduino

Concepts

Single Board Computers

Author (1):

Ruben Oliva Ramos

View More author details

Table of Contents (10) Chapters

Preface

1. Getting Started with Raspberry Pi Zero

2. Connecting Things to the Raspberry Pi Zero FREE CHAPTER

3. Connecting Sensors - Measure the Real Things

4. Control-Connected Devices

5. Adding a Webcam to Monitor Your Security System

6. Building a Web Monitor and Controlling Devices from a Dashboard

7. Building a Spy Police with the Internet of Things Dashboard

8. Monitoring and Controlling Your Devices from a Smart Phone

9. Putting It All Together

Building an alarm system using the Raspberry Pi Zero

In this section, we will build a simple alarm system with a PIR sensor connected to the Raspberry Pi Zero. This is an important project as it can be added to the home, including other sensors, in order to monitor it.

Motion sensor with Raspberry Pi Zero

For this project we need the Raspberry Pi Zero, a motion sensor PIR, and some cables. The hardware configuration for this project will actually be very simple. First, connect the VCC pin of the motion sensor to a 3.3V pin on the Raspberry Pi. Then, connect the GND pin of the sensor to one GND pin on the Pi. Finally, connect the OUT pin of the motion sensor to the GPIO17 pin on the Raspberry Pi. You can refer to the previous chapters to find out about pin mapping on the Raspberry Pi Zero board.

The following image shows the final circuit with the connections:

Software code

You can now either copy the code inside the folder called Project1, or just get the complete code from the folder for this...

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Authors (1)

Ruben Oliva Ramos

Ruben Oliva Ramos

Ruben Oliva Ramos is a computer systems engineer from Tecnologico de Leon Institute, with a master's degree in computer and electronic systems engineering and a specialization in teleinformatics and networking from the University of Salle Bajio in Leon, Guanajuato, Mexico. He has more than 5 years of experience of developing web applications to control and monitor devices connected with Arduino and Raspberry Pi, using web frameworks and cloud services to build the Internet of Things applications. He is a mechatronics teacher at the University of Salle Bajio and teaches students of the master's degree in design and engineering of mechatronics systems. Ruben also works at Centro de Bachillerato Tecnologico Industrial 225 teaching subjects such as electronics, robotics and control, automation, and microcontrollers. He is a consultant and developer for projects in areas such as monitoring systems and datalogger data using technologies (such as Android, iOS, HTML5, and ASP.NET), databases (such as SQlite, MongoDB, and MySQL), web servers, hardware programming, and control and monitor systems for data acquisition and programming.

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