Educational DIY & STEM Kits

Function Description:
With the continuous improvement of people’s living standards, gas and natural gas have entered thousands of households, bringing convenience to everyone but also posing many safety hazards. Gas poisoning accidents also occur from time to time. Therefore, we must conduct regular inspections of areas where gas leakage may occur. The gas detection and alarm circuit is composed of gas sensor MQ5, voltage comparator LM393, voice chip COO2, and other components. It can detect combustible gases in the air and automatically sound and light alarms