An ESP32-Based Mailbox Sensor for Home Assistant

Learn how to build and install an ESP32-based mailbox sensor that integrates with Home Assistant, providing voice or push notifications when mail is delivered. Follow along with the step-by-step process, from selecting parts and assembling the device to configuring ESPHome and setting up Home Assistant entities, scripts, and automations. Discover how to create this cost-effective, hub-free solution for around $35, requiring only a WiFi signal at your mailbox location. Gain insights into disabling LEDs, conducting bench tests, and properly installing the sensor in your mailbox. Access additional resources, including a full parts list, wiring schematics, and code samples, to enhance your understanding and implementation of this DIY smart home project.

Introduction
Parts
Assembly
Bench test and LED disabling
Mailbox installation
ESPHome
Home Assistant Entities, Scripts and Automations
Wrap up and outro