A list of door sensor / reed sensor hacks! (Aqara, Xiaomi, others)

I just did a write up on another thread for these hall effect sensors… or similar ones anyway… and I have already spent waaaay too much time on this today so I am going to shamelessly quote myself:

Been alive for at least 6hrs so far and still at 100%, most of that was without magnet present but it is now functioning as my water meter sensor with a ~66% magnet present duty cycle, so will be a good test, if I remember I will update at some stage on the battery situation.

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