Building a DIY NFC Alarm Keypad with ESPHome and Home Assistant
In this project, I built a custom NFC reader for my home entrance. By using a simple key fob, I can arm or disarm my alarm system (managed via Alarmo) as I enter or leave. The system is based on an ESP8266 microcontroller, integrated seamlessly into Home Assistant using ESPHome. Hardware Components Microcontroller: ESP8266 (D1 Mini) NFC Module: PN532 NFC Board (connected via I2C) Indicator: RGB LED (for real-time status feedback) Power: Standard 5V USB Power Supply 1. ESPHome Integration The D1 Mini is flashed with ESPHome. Instead of managing complex code, I used a custom configuration to bridge the hardware with Home Assistant. ...