Portable rain drop sensor made with Xiaomi door sensor

[nickrout]

I made a simple lock sensor with Xiaomi Door Sensor, some battery holders and a soldering iron

Probably done many times before but it’s the first time I’ve done something like this. I’ve got a bunch of Xiaomi door sensors. I saw a youtube video where someone had soldered two points of the sensor to a water sensor matt. I thought why not do it to some battery springs and stick it in my door…and…IT WORKED! All the bits: [image] This is the inside of the Xiaomi sensor, you can see the two points I soldered some cables onto: [image] I then took apart some spare battery holders I had l…

Using Xiaomi door/window sensors as light switches