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What is IoT-Based Coal Mine Safety System about?

This document describes a coal mine safety monitoring and alert system based on IoT. The system uses sensors connected to a NodeMCU to monitor temperature, humidity, gases, fire, and light levels. If thresholds are exceeded, alerts are sent to workers and administrators via ThingSpeak and MQTT protocols. The system aims to detect dangerous conditions like toxic gases or high temperatures and notify people to prevent accidents in underground coal mines, where conditions can be hazardous. Key components inclu

Author

shivang gupta

Language

EN