Hijacking a Working ADT/Honeywell system to use some sensors on ST?

[MarkTr]

This is what you want to look into:

[Release] New product from Konnected! Connect a wired alarm system in parallel to SmartThings

I’m excited to finally announce today the availability of a new product by Konnected – the Konnected Alarm Panel INTERFACE. Available now starting at $99 [alarm%20panel%20interface%20annotated] This new product allows you to connect an existing wired alarm system in parallel with Konnected. This gives you the ability to monitor all of your wired zones in SmartThings, Home Assistant, OpenHAB or Hubitat just like the original Konnected product, but without interfering with the operation of your existing wired alarm. [image] The new board has special circuitry that lets it tap into any brand of wired alarm system sensor loop without interfering with the existing system. It’s designed to be connected in parallel with any type of wired open/close, motion, glass-break or other typical …