RELEASE (beta) - Xiaomi Honeywell Zigbee Smoke Detector

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[Howto] Xiaomi Mijia Honeywell Smoke Detector clean

Suddenly my 1 month old smoke detector from Xiaomi Mijia Honeywell sounded, 5:30u in the morning. All the programmed lights in the house went on. No smoke, no fire, nothing, false alarm. I removed the battery from the smoke detector to kill the 80 dB siren and went back to bed. A few days later, I was still getting a smoke warning when I reinstalled the battery, unable to reset the smoke condition. Today I read about it’s a photoelectric smoke detector, not a radioactive thing . So I decided to open it, to clean the “light chamber” (dark room) where light reflected by the smoke illuminate the photoelectric cell. First I removed the cover from the bottom. 3 clips around the bottom hold it together. In the middle is a round black button that can be lifted. Notice the arrows…