<![CDATA[Fires are a common occurrence due to negligence in the use of electronic devices and can cause material losses and casualties. Conventional fire safety systems are considered ineffective because they rely on human response. This research aims to design and implement an Internet of Things (IoT)-based automatic fire extinguishing system that is capable of detecting and handling fires quickly and efficiently through a web-based application. The system uses an ESP32 microcontroller integrated with a fire sensor, an MQ-2 smoke sensor, a buzzer, a water pump, and a servo. The research method used is an experiment through the design, construction, and testing stages of the system. The results show that the system is able to detect the presence of fire from various directions, provide real-time notifications, and activate pumps and servos for the extinguishing process. Thus, the developed system can increase response speed and efficiency in handling fires. Keywords: Internet of Things (IoT), Fire Extinguishing System, ESP32, MQ-2 Smoke Sensor]]>
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