Water Leak Detector - Complete Guide - DIY

I built this smart water leak detector/sensor because I needed to keep an eye on leakages in my basement walls and floor. I first wanted to use an Arduino to build this leak sensor, but I ended up using a WEMOS R1 because of the built-in WiFi capabilities.

For 3D source files, wiring diagrams, hardware components, libraries, code walkthrough, and line by line explanation, check out the following article:
→ https://github.com/SmartThingsDIY/wemos-water-leak-sensor

I programmed the WEMOS board to go to sleep and only wake up once every 30sec to perform the reading. The power is supplied through a rechargeable LipPo battery and I put everything in a 3D printed case.

→ Index
0:00 Intro
0:36 open up Connectify
1:48 components review
2:18 wiring diagram
2:53 soldering
4:13 coding
4:38 testing in a glass of water
5:30 recap
5:46 3D printing
9:00 outro

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