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[DPRG] Garage Sensor

Subject: [DPRG] Garage Sensor
From: Doug Emes dougemes at gmail.com
Date: Sat Sep 1 23:01:34 CDT 2012

Of couse Ron or others might also chime in about the mBed NXP LPC1768,
it supports ethenet as well.


On Sat, Sep 1, 2012 at 10:48 PM, Doug Emes <dougemes at gmail.com> wrote:
> I like Greg's idea, and if you can run a hardwire cat5 cable, you
> could go with something like the
> parallax spinneret:
> http://www.parallax.com/Store/Microcontrollers/PropellerDevelopmentBoards/tabid/514/CategoryID/73/List/0/catpageindex/2/Level/a/ProductID/710/Default.aspx?SortField=ProductName%2cProductName
> The nice thing is that the solution is already coded (with some tweaking):
> http://forums.parallax.com/showthread.php?128416-Show-and-Tell-opening-a-door-via-text-message
> On Sat, Sep 1, 2012 at 10:35 PM, Greg Needel <greg at robogreg.com> wrote:
>> Sounds like a nice use of raspberry pi, with a USB wireless stick. If you
>> can get it on the internet you can always hook it to twitter or another web
>> service with an api and access that information on your smart phone. Having
>> the pi tweet the status to a private twitter account seems like an easy way
>> to accomplish this with very little overhead.
>> Greg
>> On Sat, Sep 1, 2012 at 10:22 PM, Tom Brusehaver <cozytom at gmail.com> wrote:
>>> I have a kind of weird idea. A way to know if my garage door is open or
>>> not.
>>> I am halfway to work, did I really shut the garage door or not? If I could
>>> check
>>> my smartphone, I would know, but how do get the data from the garage to
>>> my smart phone??
>>> I want to put a SBC in the garage, something with WiFi, less messing
>>> around with wires. Have a magnetic reed switch tell if it is closed or not
>>> wired to one of the GPIO pins on the SBC.
>>> Once all that is done, I still need a server to act as a gateway to
>>> the smartphone
>>> to let it know when it is open or closed.
>>> This is the idea I have so far, using gmail as my server. The SBC sends an
>>> smtp message to some tomsgarage at gmail.com or something, then the
>>> smartphone will subscribe to that mail box. I can have a macro or rule
>>> setup to delete email older than a day, or when ever a new state is set,
>>> delete the previous state. A simple open/closed message in the subject
>>> line will let me know what state things are in. I can check trash to see
>>> the history of opens and closes.
>>> My question is, what would be the cheapest SBC with WiFi out there?
>>> The Insignia infocast might be, at about $30 from ebay, but maybe
>>> someone has something better?
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