20pcs RobotDyn MQ-3 Alcohol Gas Sensor Analog and Digital Output Module SnO2 Tester

Feature The sensor has a high sensitivity to alcohol vapors SnO2 and faster response time The sensor can measure low concentrations of alcohol vapor in the air The sensor may operate at temperatures ranging from 10 to 50 ° C and consumes about 900mA at 5V Analog and digital outputs sensor has 2 outputs digital output is a certain level of gas concentration or analog output which gives the actual value of the hydrogen concentration Sensitivity can be adjusted by a potentiometer Package includes 20 x Gas Sensor ModuleWiring diagram The UNO board is not included