Transform dumb doorbell to smart doorbell and connected to HA
Source: KRDesigns.com blogs, Home-Assistant, Sonoff Mini, AlexxIT SonoffLAN
THE DEVICE
- Panasonic Electric Bell (EBG888)
- Panasonic Bell Button (EGG331)
- SonOff Mini
SOFTWARE
Why sonoff mini?
The reason why I used sonoff mini because its cheap, it support pulse mode which allow the switch to be call once and set it back to off using inching settings. Sonoff mini combine with AlexIT SonoffLAN add-on gave me an easy access to the the switch without doing much.
How do I do it:
Combine all the hardware using this schematics

The Prototype
This is the prototype before installing the entire project

Home-Assistant Code
- alias: Notification Doorbell activated
id: xxxx-xxxx-xxxx
description: Notification doorbell being pushed
trigger:
- platform: state
entity_id: switch.sonoff_xxxxxxxxxxxxx
to: 'on'
action:
- service: tts.google_translate_say
<etc>
- service: camera.snapshot
<etc>
- service: notify.telegram
<etc>
The iOS Demo in action
Final touch sending notification to my iOS with text and snapshot from the CCTV.
Closing
I hope you like this project and please feel free to let me know how you do yours. Furthermore special thanks for those people who contribute at Home-Assistant. Great work and Great projects.