Check out the Konnected boards, you can connect wired sensors and sirens to HomeAssistant. Combine with other wireless sensors for full coverage.
https://konnected.io/
Now Google, go back and find all those links that changed to a 404 and reactivate them.
Unlikely.
Wasn’t me
Check out the Konnected boards, you can connect wired sensors and sirens to HomeAssistant. Combine with other wireless sensors for full coverage.
https://konnected.io/