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September 18, 2015 AT 3:00 am

Control your home appliances from the web – using a Raspberry Pi #piday #raspberrypi @Raspberry_Pi

NewImage

Via Digital Junky.

Prologue

I recently moved in a new apartment in which the living room lights could be controlled with a remote. Having already played with IR signals in order to incorporate remote control to some of my projects I knew that I would probably be able to emulate the signals sent by the original remote and thus operate the lights of my living room from a web based application.

My first reflex was to think of using an Arduino with a wifi/ethernet shield. I could have used the ever usefull aRest library in order to build a REST api on the microcontroller. The web-app would have been hosted on a remote server and used as an graphical interface in order to make the right calls to the Arduino.

But this time I wanted to take a less low-level approach and it was a perfect opportunity to get my hands on a raspberry pi. With its computing and networking capabilities plus a direct control over the GPIO pins, the pi allows me to run the web-server and manage the IR signals from the same device. Furthermore I can use packages that will make my life so much easier, and use the full potential of the Pi to create a very complete hub for my domotics needs.

What we will be making

The idea is to make a web application that will allow us to easily control our home appliances. The project is based around the Raspberry pi which is used to :

  1. Record and store the IR signal of the remotes we wish to emulate.
  2. Play back the signals in memory.
  3. Host a web-app working as an interface with the IR module.

Additionally, we’ll see how we can leverage the capabilities of the pi in order to add more functionalities to our application.

Read more.


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