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ABSTRACT:

Today, the safety of miner workers is a significant challenge. Miner’s health and life are helpless against a few basic issues, which incorporates the working environment, yet in addition its delayed consequence. To extent profitability and diminish the expense of mining alongside the thought of the safety of miners, a creative and innovative methodology is required. The proposed system comprises of two sections one to monitor the mineworker status and another one is the total monitoring section. In the mine laborer area, air contamination is primarily due to the outflows because of emissions of particulate matter and gases incorporate such as Sulphur dioxide (SO 2 ), Nitrogen dioxide (NO 2 ), Carbon monoxide (CO) and so forth we are utilizing two smoke sensors to monitor the diverse type of smoke level in the mine. To monitor the concentration level of unsafe gases, semiconductor gas sensors are utilized. If any smoke sensor value goes beyond the threshold range at that point the microcontroller will allow an alert to the person through a buzzer and sends the information to the monitoring section through the LoRaWAN module and in the monitor received data will be uploaded in the webpage through IoT. LoRaWAN is a media access control(MAC) and multi-point protocol for wide range networks. It enables lowpowered devices to communicate with Internet of Things (IoT) applications over long-run remote connections. LoRaWAN uses lower radio frequencies with a longer range. The LoRaWAN is a low-power, wide area networking (LPWAN) protocol based on LoRa Technology. LoRaWAN is highly considerable for its optimizing LPWAN for its range, battery capacity, durability, and cost-efficient. In underground mining, there are various factors due to which miners tumble down and lose consciousness. To overcome this issue, the system gives a crisis alarm to the supervisor using the LoRaWAN module if an individual falls somewhere by any reason.

IOT BASED COAL MINE SAFETY AND HEALTH MONITORING SYSTEM USING LORAWAN