Sensy One E1 Pro Multi Sense

A PoE/Wi-Fi mmWave presence sensor for Home Assistant, supporting presence detection, light/UV sensing, air-quality add-ons, and local automation.

matthew

Published June 08, 2026

Original author: sensyone · the NetherlandsOriginal source (new tab)

Components

Hardware components

WIZnet - W5500

x 1

WIZnet parts

W5500 Datasheet

Project description

Sensy-One E1 Pro Multi Sense — PoE/Wi-Fi mmWave Presence Sensor for Home Assistant Recommended Components WIZnet W5500 ESP32-C3 / ESP32 Series PoE / Ethernet USB-C Hi-Link LD2460 mmWave Radar Bosch BME280 Lite-On LTR-390UV Sensirion SCD40 CO₂ Add-on Bosch BME688 Air Quality Add-on RGB LEDs Piezo Buzzer ESPHome Home Assistant 📌 Overview Sensy-One E1 Pro Multi Sense is a PoE/Wi-Fi mmWave presence sensor designed for Home Assistant users. While a typical motion sensor focuses on detecting whether movement occurred, the E1 Pro uses mmWave radar to understand whether a person is present in a…

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