OK - So I am new to the Smartthings Community. I am wanting an interface to my Security system so that I can access the state of all of the various sensors built into it and also report on the state of the Alarm and use it as a trigger. I originally was looking at trying to do something with the AD2USB device - and decided against it for various reasons.
Now I am looking at building a device using a Arduino micro controller with the ZIGBEE interface card. I am looking at two approaches:
Connect each security zone to an input in the arduino and rebuild alarm logic in the controller
Access the data ports on pins 6 and 7 on the control panel and read the serial data.
I am thinking that option 2 will give me more rich data to be able to pass to smart things, as well as possibly enabling Smart things to arm and disarm the system, etc. Does anyone have any experience with this approach? It seems as if decoding/encoding the keys protocol on the alarm. I have found some specs on hacking this, but it may be overly challenging. Has anyone tried the same approach.
Specifically does anyone have any experience with parsing the data from the vista in this way?
I am also looking at a similar project with my Rain Bird irrigation system.