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Use your GSM phone to create a motion detector

People, given the proper resources and time, really can build anything. Take this new motion sensor, for example. Using just an old GSM phone, it can detect motion and then send an SMS message to selected numbers, alerting them of possible trouble. Your prepaid GSM phone is perfect for this…except that it has to be active, meaning you’re still paying for the service — though it would probably be much cheaper than an alarm service if you chose the right GSM service provider.

[Slash Gear

6 Responses

  1. The cell phone home security system | Prepaid Reviews Says

    [...] about cell phones are the ways they’re used outside of their intended functions. Remember the cell phone motion detector? Or how about the cell laser? We applaud the people who engineer these devices. And so today we [...]


    Posted on October 16th, 2007 at 1:11 pm
  2. Wayne Says

    Stuart, any idea where I can find plans to build one of these? Where did you get the picture? I want, I want! Thanks!!!


    Posted on July 28th, 2008 at 1:28 pm
  3. Hasnain Says

    hi there any idea where I can find plans to build one of these device? Thanks


    Posted on January 12th, 2009 at 3:52 am
  4. Daniel Says

    I need one of these now. We get regular blackouts in central Mexico, and only a motion detector together with a cell phone that will call automatically if the detector is tripped is the most practical security choice for a shop that is 10 minutes from where I live.


    Posted on February 16th, 2009 at 1:47 pm
  5. Daniel Says

    I’ll pay you to build me one, or send me some plans.


    Posted on February 16th, 2009 at 1:56 pm
  6. Daniel Says

    Here they are. $152 each if you buy them direct from the factory.
    http://www.ruikealarm.com/Products_View.Asp?ID=285


    Posted on February 24th, 2009 at 6:02 pm

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