Proximity Garage Door Opener

As you approach your garage with your GPS-enabled smartphone, the phone triggers a request to open the garage door. This relays to Arduino-XBee hardware attached to your garage door’s RF-transmitting garage door opener, which in turn transmits the request to the automatic garage door receiver and opens the door.

Sans the GPS feature, opening a garage door from a smartphone like the Android or iOS device is a very popular DIY project, and a number of videos doing this have been posted on YouTube. Since your garage is a fixed location, the GPS values for latitude/longitude/elevation will remain static. By extending the Rails server we wrote in Chapter 7, Web-Enabled Light Switch, writing the smartphone application ...

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