Billy Chasen thought that using keys to open his office was so 2000 so he decided to build a door lock/unlock system via text message.
Using a servo motor, a tiny web server, and some piping claps from Home Depot he built a unit that can lock or unlock a door via a text message. The system uses a white list of allowed users so people can’t randomly open his door.
As you can see from the video above, the unit works well. Some clean up and maybe a project box for the unit is in order, but it doesn’t take away from the unit’s functionality. If your not up to using SMS you could always consider the WiFi Door Opener or the Secret Knock Door Lock.
[Link to Opening A Door Via Text Message]
DIY: Lock Your Door Via Text Message originally appeared on tech.nocr.at on 2011/01/16.
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