Wednesday, September 14, 2011

Android app to monitor & open and close garage door

Have you ever wanted to know if your garage door is open without having to go and check it? There have been many blog posts to light an LED when you leave your garage door open, but I want something more convenient. I decided to write an Android app that would allow me to monitor my garage door and even open or close from anywhere. I am going to provide complete instructions for building the required hardware and the android app code.

Monitor your garage door with an Android app
What is required? We need to build the following:
  • Using a Netduino board (or an Arduino board with an Ethernet shield) build a sensor to detect if the garage door is open or closed. I chose an infrared phototransistor so I would not have to make physical contact with the door and because it's cheap! Like $1.13 cheap! Read this to learn how to build and program it.
  • To open or close the garage door I wired an Optoisolator to a spare garage door opener. Complete step by step tutorial is available here. http://netduinohacking.blogspot.com/2011/09/open-close-garage-door-with-your.html
  • Write a program (or you might hear it referred to as a sketch) to check the sensor and determine if the door is open or close and report it back over HTTP
Open and close garage door with your Netduino



Links


3 comments:

  1. Garage doors are no longer the regular roll-top ones, which have to be pushed up by hand. These days, garage door openers are provided with various accessories to make opening easier. No matter how heavy the garage door, it can be fitted with the right kind of opener.

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