Most devices will last at least a year with batteries.
It may be easier to use a system designed for hardwire and integrate it into ST. Using something like thingshield with Arduino will require a fair bit of work.
While there are a bunch of integration options for the DSC / Honeywell / Ademco alarm panels, none quite fit my needs: keep traffic on my local LAN, offer async updates and are easy to install and configure. At the risk of offering yet another Envisalink integration option, set out to solve this and hopefully help others. Obviously leveraged much of the good work from kholloway, MattTW and oehokie.
Provides integration support for a Honeywell / Ademco Vista 20p alarm panel, connected to an Envisalink 3/4 module over local LAN (or AlarmDecoder AD2USB), supports automatic zone discovery, asynchronous status updates with support for the following zones and actions;
Zone Support
Door, Window Contact
Motion Sensor
Smoke Detector
Actions
Arm Stay
Arm Away
Instant Arm
Disarm
Chime
Zone Bypas…
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