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Day 29 of 100

Rain Sensor Monitor

Sensors · Board: ESP8266 · Day 29 of 100

Detect rainfall intensity through analog readings on the ESP8266. Weather-aware automation starts here.

How it works

Raindrops landing on the sensor board lower its surface resistance, which shows up as a changing analog voltage. The ESP8266 samples it continuously and reports rainfall intensity in bands from dry to pouring. Simple physics, immediately useful for weather-aware automation.

What you'll learn

  • Analog rain intensity
  • Rain board operation
  • Intensity banding
  • Weather-triggered automation

Full project: code, wiring diagram & Wokwi simulation

The complete build guide lives in the original repo. Ours is a summary — the real thing is one click away.

Open full project on GitHub ↗

Summary by SkillShop. Project by Kritish Mohapatra — code and diagrams belong to the original repo.

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