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Day 50 of 100

BMP180 Barometer Monitor

Sensors · Board: ESP32 · Day 50 of 100

Track atmospheric pressure and altitude with a BMP180 on the ESP32, visualized in Blynk. Weather forecasting hardware.

How it works

The BMP180 reports raw pressure over I2C, from which the ESP32 derives both sea-level-adjusted pressure and approximate altitude. Readings stream to a Blynk dashboard where trends — the falling pressure before a storm — become visible.

What you'll learn

  • Barometric pressure sensing
  • Altitude derivation
  • I2C sensor interfacing
  • Weather trend analysis

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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