SMART DOORBELL / ESP32 APPLICATION
doorlink
Self-hosted ESP32-S3 smart doorbell with a custom PCB, Raspberry Pi gateway, and web dashboard
About this project
About this project
In a block of flats with no concierge, a press of this self-built board wakes it to grab a QXGA still, then powers the camera down and ships the image over Wi-Fi to a Raspberry Pi gateway. The Spring Boot gateway puts media in MinIO and events in PostgreSQL, a Next.js dashboard shows sessions, and phones get ntfy alerts; an optional Home Assistant webhook makes smart speakers chime indoors as well. Voice replies are turn-based, stored and played back rather than a live call. Battery wake, capture, upload and deep sleep have all run, but runtime and closed-case current remain unmeasured, so it is a working prototype.
From the README
From the README
- Camera
- OV5640 camera, ICS-43434 microphone
- Architecture
- Raspberry Pi gateway<br/>Spring Boot
- Dependency
- Install Docker Compose, Java 21, Node.js with npm
- Limit
- not a qualified outdoor product
- Build
- Firmware builds require ESP-IDF.
Hardware
Boards: ESP32-S3
ESP32-S3. Verify the exact board revision, wiring and power requirements in the upstream build guide.
Media credit & rights
Upstream project media · rights remain with its owner · Credit: calebhabesh
Screenshots from the upstream README. Code and firmware were not executed. License notices are included.
View original source ↗ Copyright & removal · Reviewed
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Repository links do not imply author endorsement or verified hardware compatibility. Check the upstream safety guidance before powering or flashing a build.