# ESPresense ![GitHub release (latest by date)](https://img.shields.io/github/v/release/ESPresense/ESPresense) ![GitHub all releases](https://img.shields.io/github/downloads/ESPresense/ESPresense/total) [![.github/workflows/main.yml](https://github.com/ESPresense/ESPresense/actions/workflows/build.yml/badge.svg)](https://github.com/ESPresense/ESPresense/actions/workflows/build.yml) An ESP32 based presence detection node for use with the [Home Assistant](https://www.home-assistant.io/) [`mqtt_room` component](https://www.home-assistant.io/components/sensor.mqtt_room/) or [ESPresense-companion](https://github.com/ESPresense/ESPresense-companion) for localized device presence detection. **Documentation:** https://espresense.com/ **Building:** [building](./BUILDING.md). **Release Notes:** [changelog](./CHANGELOG.md).