[Part 3] Automation of Home Appliances using Raspberry Pi – All Set to Automate the Home Appliances

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Intro

• Azilen is back with the third blog of its
  Automation of Home Appliances using Raspberry Pi.
  The first and second blogs of this series were
  more about technology set up such as Software
  Installation Guide and Implementation of Hand
  Gesture Recognition. Third blog is more about
  command configuration set up and user oriented
  real time demo of application which is actually a
  captive portal type application designed to
  automate home appliances.

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Technological Overview How We Created it to
be a Captive Portal

• As the user can have remote access to
  application, we hosted the application at
  Raspberry PI server.
• Though spring boot is known for making notable
  amount of reduction in writing a lot of
  configuration and boilerplate code, its auxiliary
  niceties of being light weight and the caliber of
  packaging the application as a runnable jar that
  includes an embedded tomcat server attracted us
  more for its consideration for our application
  and its REST endpoints also helped us in making
  the application accessible through browser.
• Application package comes in executable jar
  format such as and it has configured system
  settings that help to start the web server on
  Raspberry PI startup without any user
  interaction.
• A user friendly application flow which is
  described in Real Time Demo of Application
  section could be achieved through prominent
  utilization of spring boot capabilities.

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• Real Time Demo of Application

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How does the user manage application set up?

• This is a plug and play set top box look like
  solution intended to easy installation and
  operation. User just simply needs to supply
  electric power through cable to access it.
• Elementary application access
• We have tried to make the application access
  handy as much as we could.
• Once the user plugs in our set top box look like
  device and connect to the home WiFi network,
  system UI will automatically open up in each
  laptop or mobile device which are connected with
  that particular WiFi network and enable the user
  to manage his home appliances through them.
• We have used Captive Portal concept for
  implementing this functionality and of course, it
  needs successful WiFi access permissions like
  SSID and Password or any configured hint.
• Then the url of application will be saved in
  browser so that user can manually ping the
  system.

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How It Works?

• Once the user starts the application, it will
  check Smart IR Device has connected or not,
  according the device status application show
  message. If it is connected, system will go ahead
  otherwise it will display the error message and
  in that case, the user needs to configure smart
  IR device by providing WiFi user ID and Password.
  This process is called Smart Config.

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• Once IR device gets connected application will
  confirm you it by message and will navigate you
  to the home page.

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Learning Mode to make the Device Learn

• Learning Mode is all about making the IR device
  understand that which gesture or numerical input
  to be considered for performing desired action
  and accordingly IR device will pass the signals
  to connected home appliance.
• For manual Input set up application will display
  a dashboard with configured options and for
  gesture input set up, you can enable device
  camera and capture the gesture by using Start
  Capture and Stop Capture buttons. Once gesture is
  configured, you can link that gesture to the
  desired on off etc. actions.

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Execution Mode to Implement the Actions

• Once gestures are configured and linked with
  relevant actions, they can be executed anytime.
   To execute it, user simply needs to assess the
  application and capture the gesture using Take
  Snapshot.

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• Manual inputs can be executed by using number
  keys.
• Help section is also the part of application to
  guide the user so that he can use the application
  flawlessly.

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Conclusion

• Of course, this accomplishment has certainly
  boosted our techie spirit up to optimum level.
  Still, while the world is advancing swiftly
  towards Internet of Things, and people are
  looking forward to high end and affordable
  technological experience in routine life, Azilen
  believes that there is a long way to go. Many
  more advancements are still on the way for us.

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• Original Source
• http//www.azilen.com/blog/automation-of-home-appl
  iances-using-raspberry-pi-part-3/

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