Home Question Answer What is the power requirement for an MQ2 gas sensor? What is the power requirement for an MQ2 gas sensor? The MQ2 gas sensor operates on 5V DC and consumes approximately 800mW. Related Questions How much power does the MQ2 gas sensor consume? What is an “anti-explosion network”? How is the MQ2 gas sensor different from other gas sensors? What is the purpose of the SnO2 semiconductor layer in the MQ2 gas sensor? How does the output of the MQ2 gas sensor change when it is exposed to different gases? What happens when a cloud of smoke is created using an incense stick near the MQ2 gas sensor? What is the power consumption of the MQ2 gas sensor? How does the digital output of the MQ2 gas sensor change when exposed to smoke? Load More