MQ-2 Smoke LPG Butane Hydrogen Gas Sensor Detector Module
$64.77
$93.27
Operating Voltage is 5VCan be used to Measure or detect LPG, Alcohol, Propane, Hydrogen, CO and even methaneCan be used as a Digital or analog sensorThe Sensitivity of Digital pin can be varied using the potentiometerLong life and low costSimple drive circuit
