An open keypad-emulating decoder for DSC and Honeywell/Vista panels with an official local Home Assistant integration over socket, serial or USB. Communicates directly with the panel keybus via a local serial/TCP/USB link with no cloud service. Just note: Requires a compatible DSC or Honeywell panel.
Notes last checked Jun 2, 2026.
Compatibility snapshot
Home AssistantexcellentFull local control, no cloud needed. Native Home Assistant integration or a local protocol.
Apple HomenoneNo official support on this platform.
Google HomenoneNo official support on this platform.
AlexanoneNo official support on this platform.
Works offlineyes
Setupintermediate
Extra hub neededyes
Powerpowered by alarm panel bus
Local control facts
Home Assistant: alarmdecoder integration, Local Push (home-assistant.io, checked Sep 10, 2026)
Why it stands out
Official AlarmDecoder integration, fully local
Strong choice for Honeywell/Vista panels and open tooling
No subscription or cloud
Reasons to hesitate
Requires a compatible DSC or Honeywell panel
Keybus wiring and configuration required
Arm-night behavior varies on some Vista panels
Best for
DSC/Honeywell owners (especially Vista) wanting an open, local bridge
Avoid if
you don't want to run a separate hub or bridge
Privacy and local-control notes
Communicates directly with the panel keybus via a local serial/TCP/USB link with no cloud service.
Home Assistant support: supported · integration path: AlarmDecoder (local).
