Abstract: Coal mining, which is essential for global energy production, poses significant safety challenges for miners working in hazardous environments. This project explores the development and integration of advanced safety helmets designed specifically for coal miners, using Atmega 328p and NodeMCU controllers. These innovative helmets offer comprehensive safety features, including hazardous gas detection, fall detection, health monitoring and real-time connectivity. The system includes sensors to detect gases such as carbon monoxide, monitor vital signs such as heart rate and blood oxygen levels, and track the miner's location using GPS. The helmets provide instant alerts and data transmission via a mobile app, enabling quick responses to emergency situations.

Keywords: Senors, Nodemcu, Gps, Arduino, Server.

| DOI: 10.17148/IARJSET.2024.11833