Prototype design for doorbell hardware.
Related projects:
- https://github.com/SteffenL/doorbell-mcu
- https://github.com/SteffenL/doorbell-app-android
- https://github.com/SteffenL/doorbell-server
Features:
- Plugs into a LOLIN32 development board (Espressif ESP32).
- Battery and USB charging support.
- Buzzer, e.g. for emitting sounds when pressing the button.
- LOLIN32 hack for battery level monitoring.