Add SENSY-ONE E1 Pro Multi Sense device

src/docs/devices/sensy-one-e1-pro/index.md

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+---
+title: SENSY-ONE E1 Pro Multi Sense
+date-published: 2026-02-17
+type: sensor
+standard: global
+board: esp32
+project-url: https://github.com/sensy-one/E1-Pro-Multi-Sense
+made-for-esphome: true
+difficulty: 1
+---
+
+![SENSY-ONE E1 Pro Multi Sense](E1_Pro_Multi_Sense.jpg)
+
+## Description
+
+The SENSY-ONE E1 Pro Multi Sense is a PoE-enabled mmWave presence and environmental multisensor designed for high-performance room tracking, occupancy detection, and smart automation with ESPHome and Home Assistant.
+
+## Links
+
+- [Official Product Page](https://sensy-one.com/products/e1-pro-multi-sense)
+- [Home Assistant Add-on](https://github.com/sensy-one/home-assistant-addons)
+- [S1 Pro vs E1 Pro Comparison Blog](https://sensy-one.com/blogs/blog/s1-pro-vs-e1-pro-multi-sense-which-smart-sensor-is-right-for-you)
+
+## Features
+
+- Hi-Link LD2460 24GHz mmWave radar module (tracks up to 5 targets simultaneously)
+- ESP32-C3 microcontroller with Ethernet, 2.4GHz Wi-Fi and Bluetooth Low Energy
+- Power over Ethernet (PoE) for power and wired network connectivity
+- USB-C 5V power input (alternative to PoE)
+- Built-in air pressure sensor
+- LTR-390UV ambient light and UV sensor
+- Optional Sensirion SCD40 NDIR CO₂ sensor (true CO₂ measurement with temperature & humidity)
+- Optional BME688 air quality sensor (VOC, eCO₂ estimation, temperature, humidity, pressure)
+- 3 configurable detection zones + 1 exclusion zone
+- Real-time X/Y position, distance and motion tracking
+- 4x front-facing RGB LEDs
+- Integrated piezo buzzer (~80–90 dB)
+- Home Assistant custom add-on with 2D & 3D floorplan support, live positioning, heatmaps, and 3D visualization