MQ3 High Sensitivity Alcohol Detector Sensor Module - Red
Model MQ3 Quantity 1 Color Red Material PCB board Features Adjustable sensitivity Specification Input voltage: 5 +/- 0.2V; DOUT: Digital signal output; LED lights on when detected gas; AOUT: analog signal output the output is the analog value of detected voltage; GND: Power supply negative pole; Application Suitable for home / industry alcohol detection using Packing List 1 x Alcohol detector module