Complete IoT + Data Science Project | ESP8266 Weather Logger with Python Visualization
In this project, we build a complete IoT Environmental Monitoring System using the NodeMCU ESP8266 and DHT11 sensor.
The NodeMCU connects to Wi-Fi and acts as a web server, allowing us to monitor temperature and humidity directly from a browser on localhost. Sensor readings are updated every 5 seconds and displayed on a real-time web dashboard using HTML, CSS, and JavaScript (AJAX).
🔧 Project Features:
Real-time Temperature & Humidity Monitoring
NTP-based Accurate Timestamp Logging
Dynamic Web Dashboard (No Page Refresh)
Automatic Data Logging in Table Format
One-Click CSV Download (Excel Compatible)
Fully Wireless IoT System
🌡 Sensor Used:
DHT11 (Temperature & Humidity)
🌐 Microcontroller:
NodeMCU ESP8266 with built-in Wi-Fi
📊 Bonus Feature:
Export logged data as a CSV file and analyze it in Microsoft Excel, Google Sheets, or LibreOffice.
📚 Applications
Environmental Monitoring
Smart Home Systems
IoT-based Data Logging
Academic & Engineering Projects
Research & Educational Demonstrations
If you are working on IoT, Embedded Systems, or ESP8266 projects, this video will help you understand:
✔ How ESP8266 works as a web server
✔ How to fetch live sensor data using AJAX
✔ How to implement NTP time synchronization
✔ How to export IoT data for analysis
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