I mean, why is it this easy to do with Google?
- Open the Google Home app and tap the Automations tab at the bottom.
- Select + Add to create a new Household routine.
- Tap Add Starter and choose When a device does something.
- Select your door sensor or doorbell and choose the “opens” or “rings” condition.
- Tap Add Action, select Communicate and announce, and then Make an announcement.
- Type the custom message you want your speakers to say (e.g., “The front door was opened”).
- Select which Google Nest speakers or displays you want to broadcast the message , and save the routine. [1, 2, 3, 4]