An MQTT enabled combined fingerprint reader and doorbell based on the ESP32 MCU and the R503 fingerprint sensor called "FingerprintDoorbell".

SIP client for ESP32 to initiate a phone call from a door bell

Wifi adapter and bus protocol documentation for the Gira TKS Door System

ESP8266 Firmware that initiates calls to SIP numbers, can react on hardware button as well to 433 MHz signals

A gateway for your doorbell button ;-)

Part of DoorbellCam project: daemon for people recognition with YOLO from a RTSP video stream.

Door Bell Switch with ESP-01 and MQTT for OpenHab

Arduino WiFi Notifier for MONITOR AUTA COMPACT VISUALTECH 5H

Controlar de manera remota con el ESP32 un videoportero de FERMAX.

Project doorbell with arduino and alexa

Ring detector for doorbell with Telegram and Webserver

Custom doorbell chime with an Arduino MKR Zero

ESP8266 based doorbell ringing Fritzbox DECT phones via SIP protocol and identifying as binary sensor via MQTT for home assistant (with auto discovery as device)

Send a 433mhz packet whenever an mqtt message gets received

Doorbell and intercom solution for Raspberry Pi

Arduino Doorbell with hidden IR temperature sensor to detect high fever

IoT Enabled Doorbell Project Code.

Provides a simple interface between a cheap 1byOne 433Mhz doorbell to MQTT.

A short and hopefully sweet script designed to create a replayable mp3 door bell sample.