Design and Development of Directional Fire Extinguisher Prototype Using Thermal Camera MLX90640 based ESP32

Abstract

Fire is a frequent incident, especially in enclosed spaces where people often fail to recognize the danger until the fire has grown. In 2023, there were 1,323 recorded fire cases. To address this, a directional fire extinguisher system was developed to reduce fire incidents and save lives. Using the MLX90640 thermal camera, heat sources can be detected early and accurately, allowing targeted water spraying to minimize waste and increase efficiency. The prototype can automatically detect and extinguish fire within 1.8 meters and detect heat up to 3 meters. However, the rotation mechanism is still stiff, requiring more time to aim precisely. The nozzle can rotate up to 180°, but the servo cannot move beyond that, making the system not yet fully aligned with the initial design.