IDUINO for maker’s life User Manual For MQ-3 Alcohol Ethanol Gas Sensor(ME075) www.openplatform.
IDUINO for maker’s life Specification: Sensitivity adjustable the blue digital potentiometer adjustment (Figure) Before the use of the operating voltage 5V power supply at least warm-up for more than two minutes, the sensor slightly hot is normal; Output in the form analog voltage output digital switching outputs (0 and 1) With fixed bolt hole for easy installation Pinout Pin Vcc Gnd D0 A0 Description Power supply 5V/DC ground Digital signal read pin Analog signal read pin Example Wire conn
IDUINO for maker’s life // read the input on analog pin 1: int sensorValue = analogRead(A1); // print out the value you read: Serial.println(sensorValue); delay(1); // delay in between reads for stability } *********Code End************ www.openplatform.