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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

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Product type Paperback
Published in Feb 2017
Publisher Packt
ISBN-13 9781785888564
Length 298 pages
Edition 1st Edition
Languages
Tools
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Author (1):
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Ruben Oliva Ramos Ruben Oliva Ramos
Author Profile Icon Ruben Oliva Ramos
Ruben Oliva Ramos
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Toc

Table of Contents (10) Chapters Close

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

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...
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