Remotely open or close motorised front gate via sms (convert constant +12V to single pulse)

Discussion in 'The Projects Forum' started by Custom Trading, May 27, 2016.

  1. Custom Trading

    Thread Starter New Member

    May 27, 2016
    1
    0
    • Open or close my front gate via a text message.

      Unless there is a better way, the main project (and my biggest issue) is to convert a constant +12V to a single pulse that activates a remote control.

      I have the Unimax HSPA+ Ethernet Modem Router with I/O Board

      http://shop.maxon.com.au/unimax-hspa-ethernet-router/
      http://www.maxon.com.au/images/manuals&drivers/Unimax+_HSPA_IO_Board_V1.pdf

      The modem/router is already to turn on (+12V) one of the outputs when I send a text (Gate On). Sending another txt (Gate off) will turn off the output.

      I need to use the +12V output to activate the remote that opens/closes the front gate. I assume this will involve converting the +12V output to a single pulse.

      The remote I use to open & close the gate is a Magic Button MBTX4
      http://www.mkey.com.au/remote,172,Magic_Button,MBTX4,MBTX4

      I imagine the process working something like this –

      To open the front gate from the closed position
      Send txt (Gate On) – Applies +12V to the output of the I/O Board.
      Convert +12V to a pulse to activate button 1 or 2 (both buttons are programmed to open or close the gate) on the remote to open or close the front gate.
      Send txt (Gate Off) – Turns off +12V output on the I/O Board.

      The same process will need to be followed to close the front gate again.

      How do I do this? Who can build it? What will it cost?
     
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