ABSTRACT The Era of globalization of this day , the utilization of LPG gas has expanded in the industrial, automotive, and household sectors. However, LPG gas also has the risk of explosion due to leakage. This study designed an early detection device for LPG gas leak as a deterrent to the explosion caused by LPG gas leak.. This tool uses MQ-2 sensors, Arduino, GSM 900A Module, Buzzer and Exh…