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.
Table of Contents (15 chapters)
Internet of Things Programming with JavaScript
Credits
About the Author
www.packtpub.com
Customer Feedback
Preface

Controlling your camera from a web page


In this section, we will look ar how to control our camera from a web page in PHP and run a web server in the Raspberry Pi. We will need the following to run PHP files and web server:

  • Running the Apache server on Raspberry Pi

  • Installing PHP software

For the web page, for controlling we will have to create our PHP files in the following path: /var/www/html, for instance we need to edit the index.php file, and copy the following lines.

The following HTML file includes PHP:

<!DOCTYPE html> 
<html> 
 <head> 
 <title>Control Camera</title> 
 </head> 
  <body> 

Here we define the function to perform action for taking the picture:

<form  action="on.php">   
  <button type="submit">Taking the picture</button> 
  </form> 

Here we define the action to taken if motion detected:

  <form action="off.php">   
  <button type="submit">Motion&lt...