Abstract: Gas leakage poses a serious safety concern, potentially leading to fire outbreaks, explosions, and severe health complications due to the buildup of toxic gases. Conventional gas detection mechanisms depend largely on manual observation or basic alert systems, which often lack the efficiency for timely action. This project introduces an IoT-based gas leakage detection and prevention system designed for real-time identification and immediate response to hazardous leaks. The system incorporates an MQ6 gas sensor connected to a NodeMCU ESP8266 microcontroller to constantly monitor gas concentration levels. When gas levels exceed a predefined safety threshold, the system triggers a buzzer and LED alerts, shuts off the gas supply via a solenoid valve through user mobile with remote access, and activates a servo motor to open nearby windows for ventilation. With real-time notifications delivered to users, this system offers an intelligent, automated approach to enhance safety and prevent accidents in domestic, commercial, and industrial environments.
Keywords: Gas leakage detection, IoT-based safety system, MQ6 gas sensor, NodeMCU ESP8266, real-time monitoring, automated response, solenoid valve control, servo motor ventilation, remote access, buzzer and LED alerts, toxic gas prevention, fire and explosion prevention, domestic and industrial safety, smart home safety system, hazard mitigation.
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DOI:
10.17148/IJARCCE.2025.14520
