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Hack the Intercom part 1

A lot of us have an intercoms to let our friends and service workers into the building.  I want to modify mine so that every time someone rings my buzzer I can get a notification on my phone and if I choose to, buzz them in.

Here is the pdf schematic of my device (4-wire setup).

Here is the actual photos of the circuit:

I want this first meetup to just talk about what actually needs to be done?  How does one capture the signal from the device and how can you send the signal back to the device?  Once you capture the signal, how can I get it on my phone?  And lastly once the phone receives the notification, sending one back.

This is scheduled for variety cafe but if it is too crowded I'll just move the event to the bar down the street.

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  • Ryan G.

    Be there in a few mins.

    May 7, 2014

  • Luis Felipe J.

    Sorry, I just received a call from work to go to a meeting today. I am not gonna make it today.

    May 7, 2014

  • A former member
    A former member

    Can you give us little more info on exactly what it entails.

    April 25, 2014

    • Ryan G.

      Updated, let me know if it contains enough info. This would be a discovery process so who knows what we end up covering.

      May 6, 2014

  • Dallas G.

    As Saikiran previously asked, can you give us some more details on what exactly this entails? I'm curious what level if any experience is needed in any given technologies.

    May 5, 2014

  • Jason H.

    This seems like something to be solved with RaspberryPi and/or Arduino. You need to communicate with the buzzer via the internet or the cellular network, I imagine. I'm curious the route you're thinking of taking.

    May 3, 2014

  • Ryan G.

    Going to have to push it back a week, busy day today.

    April 28, 2014

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