[EMS Discuss] Sensors reporting via cell phone (AKA networking my dog/car) (?Bluetooth maybe?)

Benjamin Hallert EMAIL HIDDEN
Wed Mar 27 16:46:43 PDT 2013

You can often connect to a phone and send text messages using AT commands over serial. 

If physical serial access isn't available on the phone then you might be able to pair to it with Bluetooth and send the commands via that.  What model of TracFone exactly?  Might be able to see what AT commands are available for things like sending SMS.
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On Wed, Mar 27, 2013 at 4:41 PM, Julie Baumler <EMAIL HIDDEN> wrote:

> Hi everyone -
> Since my dog likes to hang out in my car, I want to set up a
> temperature and water sensor in my car that reports over a cellular
> network when the temperature reaches certain thresholds or the water
> sensor shows no water, and possibly can be triggered from the network
> to report temperature and water status. I may wish to add additional
> sensors later.
> The actual sensors and having them trigger 'something' using an
> arduino are easy, but I'm not sure what the best way to get from there
> to having a cell phone do something - and what features the phone
> needs to have to support this. I know I could do it with an Android
> phone, but I want to use a throw away phone that's clearly not worth
> stealing. Is Bluetooth support enough to do what I want if I use it to
> trigger SMS (and vice-versa)? I need to throw some money at TracFone
> in the next week to keep my backup/emergency service going, and one
> way to do that is to purchase a new phone from them.  Their $20 phone
> with Bluetooth has Version 2.1 + EDR (Enhanced Data Rate) with the
> hands-free, headset, object push, and object exchange profiles. Is
> that sufficient? Or what is the minimal hardware profile I need?
> Thanks,
> Julie
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