Gadget-freakz - Thanks to Antenne519, we now know how to modify a Xiaomi door/contact sensor and make for example a water leakage sensor, or connect something else to it. https://gadget-freakz.com/build-your-own-universal- zigbee-logic-sensor-by ...
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Amazon.com: OUVOPO Zigbee Motion Sensor (2-Pack),Requires zigbee hub, configurable DIY Portable Presence Detector Compatible with Home Assistant,Hubitat and Alexa : Everything Else
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