What is the best way to detect rain?

[masterkenobi (Ben)]

I’m using this now. Still working until now.

Portable rain drop sensor made with Xiaomi door sensor

Just want to share with you guys the rain sensor I’ve made using Xiaomi’s door sensor, a waterproof battery case and a raindrop module. First, I took out the door sensor PCB board from the casing, rip out (desolder) the reed switch and solder 2 wires onto it. [IMG_20181019_212136] Then connect the wires and put it inside the waterproof battery case… [IMG_20181019_212221] Finally close up the case cover, connect the raindrop module to the case and apply some hot glue on the exposed parts t…