Senzor gaz MQ-3 Alcool Etanol

Senzor MQ3 folosit pentru detectarea gazelor Alcool si Etanol.

Specificatii:

Tensiune alimentare: 5VDC, 150mA

Output: Pin Digital sau pin Analogic

Cip principal: LM393, ZYMQ

Iesire Analogica: 0 - 5V; voltajul creste sau scade in functie de concentratia detectata

Iesire Digitala TTL

Exemplu cod citire analogica:

void setup() {

  // initialize serial communication at 9600 bits per second:

  Serial.begin(9600);

}

// the loop routine runs over and over again forever:

void loop() {

  // read the input on analog pin 0:

  int sensorValue = analogRead(A0);

  // print out the value you read:

  Serial.println(sensorValue);

  delay(1);        // delay in between reads for stability

}