Build a Smart Home Fingerprint Keypad (ESPHome + Home Assistant)

Published at : 23 Dec 2025

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I couldn’t find a keypad that had the features I wanted and worked with Home Assistant, so I built one myself with ESPHome. In this video, I walk you through prototyping, designing, and building a dedicated smart home device from scratch.

👋 Follow me:
https://linktr.ee/salimbenbouz

⚡️ Project links:
Github: https://github.com/sb-ocr/esphome-keypad
Instructables: https://www.instructables.com/ESPHome-Fingerprint-Keypad/

🔗 Videos mentioned
https://youtu.be/tQ0dL_9M1wI
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⚙️ Bambu Lab 3D Printers:
Bambu Lab A1 https://bit.ly/4gwNFhK
Bambu Lab P1S-Combo https://bit.ly/3VW4QBg
Bambu Lab X1-Carbon https://bit.ly/3VTKfxx
Bambu Filaments https://bit.ly/41RpVRe

🖥️ Desk gear:
Grovemade Premium Desk Accessories 🍃
Get 10% off using code SALIM10 → https://bit.ly/grovemade-accessories

🛠 Tools:
Autodesk Fusion 360: https://bit.ly/49dQyQN
Soldering station: https://geni.us/16zcw5
iFixit Driver Kit: https://geni.us/pE8dvKd
Magnetic Helping Hand: https://geni.us/qmbA3W
Digital Microscope: https://geni.us/OvfXE
Oscilloscope: https://geni.us/rHzAS8

🎬Video gear:
Sigma 18-35mm f/1.8 DC Art Lens: https://geni.us/43RyE
90cm Octagonal Softbox: https://geni.us/tXzLg2U
Motorized Camera Slider: https://geni.us/CKpHVYp
Aputure Amaran 100D Light: https://geni.us/DitmF6
Aputure Amaran PT1C Tube Light: https://geni.us/zcYT
Heavy Duty Light Stand with Casters: https://geni.us/W3aZy4Z
RØDE VideoMic GO II Microphone: https://geni.us/3gEQb4
RØDE Wireless GO II Microphones: https://geni.us/HTWPS

🎧 Music:
Epidemic Sound https://share.epidemicsound.com/cp32b6

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00:00 Intro
00:30 Design Goals
01:33 Prototype
03:35 PCB
06:26 Enclosure
07:28 Electronics
09:40 Assembly
11:47 Outro

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#diy #smarthome #3dprinting #homeassistant #esphome