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AirObserver, A PoE Powered Indoor Air Quality Sensor Node

AirObserver, A PoE Powered Indoor Air Quality Sensor Node

Alan

Published September 14, 2026

Original author: TBKOriginal source (new tab)

AirObserver, A PoE Powered Indoor Air Quality Sensor Node

Project description

How Does AirObserver Use W5500 and PoE to Build a Reliable Indoor Air Quality Sensor Node? Overview AirObserver is a PoE-powered indoor air quality sensor node project developed by Tuomo Björk. The project aims to create a reliable, low-maintenance, compact, and quick-to-deploy sensor node for indoor air quality monitoring. The core idea is to use a single RJ45 connector for both power and data transmission. By using Power over Ethernet and WIZnet W5500, the sensor node can be integrated into existing network infrastructure while providing stable wired connectivity. The project focuses on…

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