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iot-based-weather-monitoring-system-using-arduino-a3334a-en.md

Cloud Climate: IoT Weather Monitoring

The IoT Weather Monitoring System takes standard sensors and connects them to the internet. Instead of just reading the temperature on an LCD, your Arduino logs data 24/7 to a cloud dashboard like ThingSpeak, creating historical graphs you can view from anywhere.

ekg_monitor_arduino_display_1772706773611.png

The Cloud Connection

  1. Sensing: A DHT11/22 reads the temperature/humidity, while a BMP180/BMP280 reads the barometric pressure.
  2. Wi-Fi Bridge: An ESP8266 or NodeMCU (or an Arduino with a Wi-Fi shield) connects to your home network.
  3. The API Call: Every 5 minutes, the microcontroller sends an HTTP GET/POST request with the sensor data to the cloud service's API.
  4. Visualization: The cloud service plots the data beautifully, allowing you to track weather fronts or room conditions over months.

Hardware Needed

  • NodeMCU / ESP8266 / ESP32: The Wi-Fi enabled brain.
  • DHT11/22 and BMP280 Sensors: Your weather instruments.
  • 3.3V Power Supply / Battery Pack.

The Power of Data

This project is the quintessential introduction to Internet of Things (IoT). It teaches you about APIs, HTTP protocols, JSON parsing, and the energy management required to run wireless devices 24 hours a day.

ข้อมูล Frontmatter ดั้งเดิม 

title: "IoT Based Weather Monitoring System"
description: "Publish your climate data to the cloud! Build a weather station that logs temperature, humidity, and barometric pressure over Wi-Fi."
category: "Sensors & Environment"
difficulty: "Advanced"