Fingerprint Doorbell for Smart/Electronic Locks and Garage Doors

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1

Hey everyone,

We just wrapped up a new project at SmartHomeGeeks: a fingerprint-powered smart doorbell that runs entirely on ESPHome and integrates natively with Home Assistant.

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Highlights:

  • Unlocks your smart lock with a recognized fingerprint
  • Rings the chime for unknown visitors — or stays silent in Silent Mode
  • Custom modes: Open House, Scheduled Access, 2FA via BLE/Wi-Fi presence
  • Full fingerprint user management from Home Assistant
  • LED feedback animations for ring/access/enrollment
  • Fully local – no cloud, no latency, no privacy concerns

Parts cost ~€25, and we’ve shared wiring, YAML, and mounting options.

:open_book: Full write-up:
:point_right: Fingerprint Doorbell for Smart/Electronic Locks and Garage Doors

Let us know what you think or how you’d improve it!
– Freddie & Jeroen

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2

Hi Guys, looks really good. A question, can this be adapted to a wemos d1 mini esp8266 board if you just want the grow 503 part?

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No, not an ESP8266, but you can use any ESP32 board if you like.

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4

Cheers, got one and this works much better than previous setup with wemos d1 mini.

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