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ESP32 Doorbell and weatherstation

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mr_idkgoogleit

mr_idkgoogleit

@mr_idkgoogle_1074013

ESP32 Wrover doorbell with temperature and humidity sensors + ESPHome for HomeAssistant

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Updated at source:

Model information

Source
Printables
Category
Outdoor & Garden
License
GNU General Public License v2.0
DetailsFiles (5)Makes & comments (Makes: 0) (Comments: 1)Remixes (0)Collections (24)Related

Couldn't find a generic DIY Doorbell with a nice angle and modular and easy to print, so made myself one. Can use other boards than ESP32, like a Pi Zero but haven't tried myself.

Made this a few months back, still working perfectly during summer and winter now. Tracks very accurate the temperature, humidity and pressure.

Also I put a rubber band in between, because why not. However it is NOT WATERPROOF, so my front door has a roof and without direct rain it is perfect.

Print with PETG because I don't know how direct sunlight would affect PLA. Internal temp of the ESP is around 55c-60c and PLA warps at 60c…. I used Overture Grey PETG. 

Parts  & Requirements list:

  • Home Assistant!
    • With preferably MotionEye as a light NVR software for recording
    • With ESPHome:
    • My YAML configuration of the ESP32 Wrover via ESPHOME: GitHUB ( ←this took a lot of time to figure out, enjoy!)
       
  • Soldering iron! (don't use the cheap ones!)
  • A few M3 bolts and nuts
  • A few M3 screws
  • Rubber band (optional)
  • 16mm metal push button (5v): AliExpress
  • Dupont cables
  • ESP32 Wrover (Freenove) or ESP32-S3 (both with cam ofc)
  • Wide angle camera via AliExpress or so: AliExpress
  • BME280 3.3v: AliExpress
  • Long 5V USB Cable, or use existing doorbell wiring of your house and reroute positive and negative over 2 wires (like I did)
  • And a relatively good 5v 1A USB power supply. El cheapos makes an ESP unstable, trust me  because took a few headbangs to discover.

Assembly:

Pretty much straight forward, see the GIF. Can be used without wall plate but that covers the old holes and etc nicely.

Configuration:

  • HomeAssistant
    • Make a script called “phone_notify”
      • And drag and drop your own script in to life. Mine sends a screenshot to my homeassistant app and plays a mo3 chime sound on Google nest speakers.
  • ESPHome
    • Use the YAML config for the ESP32-Wrover or better use a ESP32-S3 (with cam).
    • This YAML config took me A LOT of time to test which combinations would make it super stable.
    • Also this YAML config triggers a SCRIPT in HomeAssistant when the metal button is pushed.
    • Alternatively if you have your homeassistant server nearby and has GPIO pins then: With extra set of 2 wires you could link the metal push button directly to your servers GPIO pins and configure a trigger via a local script. 
    • Note worthy: 
      • The WIFI of this ESP32 Wrover is weak, keep in mind you need at least 50% signal, otherwise it will keep dropping connection. 
      • Also do not use BLE because that kills the WIFI every time it scans.

Nice to haves (for later):

  • Coming soon: Separate chime box instead of using smarthome speakers.

     

Tags

videoesp32doorbellhomeassistantweatherstationesphomedoorbellcameraesp32s3esp32wroverdoorbutton