Aqara Door/Window Sensor Generations Compared: Which to Buy
Aqara's five door/window sensors look alike but expose different data in Zigbee2MQTT. What changed each generation, and which to buy for a local setup.
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Zigbee2MQTT device_temperature vs temperature Explained
Your Zigbee sensor reads 31°C indoors? That's device_temperature, chip heat, not the room. How to tell which attribute your device really reports.