live draw mq3

Q-1: What does MQ3 sensor detect? There are many gas detecting sensors available in the market. live topg88 It's a low-cost semiconductor sensor that can detect alcohol. live topg88 MQ-3 is suitable for detecting Alcohol, Benzine, CH4, Hexane, LPG, CO Q-2: What is the operating voltage of MQ-3 sensor? The MQ3 alcohol sensor operates at 5V DC and consumes around 800mW