gsm relay controller battery backup and signal sensor on power loss

Discussion in 'The Projects Forum' started by hattrick, Jan 18, 2010.

  1. hattrick

    Thread Starter New Member

    Jan 18, 2010
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    first time posting on this site, I have enjoyed looking around and have found some great info but would like some critique on a project that I am working on to feel comfortable to take the next step as i am a novice and have kludged together a few other projects to build the schematic (attached).


    I am looking at installing a gsm relay controller at home. Among other things I would like it to alert me in the case of a power loss; this circuit is what I am most unsure about.

    To accomplish this I am proposing to give it a battery backup and a relay that would on power loss activate a built in sensor. Triggering the sensor will allow it to send out an alert (a text message).

    the controller needs @12V 15mA idle and 1A peak, so I was thinking of using a simple 6v AAA battery pack which should give it enough peak amperage and voltage to send the alert.


    if anyone has any correctionns, suggestions, tips, critique or improvements I would really appreciate it!
     
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