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@ -27,20 +27,21 @@
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#define pin9 A9 //Analog input 9 of your arduino
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//Declare Sensor
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MQUnifiedsensor MQ2(pin2, 2);
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MQUnifiedsensor MQ3(pin3, 2);
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MQUnifiedsensor MQ4(pin4, 2);
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MQUnifiedsensor MQ5(pin5, 2);
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MQUnifiedsensor MQ6(pin6, 2);
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MQUnifiedsensor MQ7(pin7, 2);
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MQUnifiedsensor MQ8(pin8, 2);
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MQUnifiedsensor MQ9(pin9, 2);
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MQUnifiedsensor MQ3(pin3, 3);
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MQUnifiedsensor MQ4(pin4, 4);
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MQUnifiedsensor MQ5(pin5, 5);
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MQUnifiedsensor MQ6(pin6, 6);
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MQUnifiedsensor MQ7(pin7, 7);
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MQUnifiedsensor MQ8(pin8, 8);
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MQUnifiedsensor MQ9(pin9, 9);
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//Variables
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float LPG, Alcohol, CH4, H2, CH42, CO, H22, LPG2;
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void setup() {
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//Init serial port
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Serial.begin(115200);
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Serial.begin(9600);
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//init the sensor
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MQ2.inicializar();
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MQ3.inicializar();
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@ -55,15 +56,35 @@ void setup() {
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}
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void loop() {
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//Update the voltage lectures
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MQ2.update();
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MQ3.update();
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MQ4.update();
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MQ5.update();
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MQ6.update();
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MQ7.update();
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MQ8.update();
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MQ9.update();
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//Read the sensor and print in serial port
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int lecture2 = MQ2.read("", true);
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int lecture3 = MQ3.read("", true);
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int lecture4 = MQ4.read("", true);
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int lecture5 = MQ5.read("", true);
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int lecture6 = MQ6.read("", true);
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int lecture7 = MQ7.read("", true);
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int lecture8 = MQ8.read("", true);
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int lecture9 = MQ9.read("", true);
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//Wait to measure next sample
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delay(400);
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LPG = MQ2.readSensor();
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Alcohol = MQ3.readSensor();
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CH4 = MQ4.readSensor();
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H2 = MQ5.readSensor();
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CH42 = MQ6.readSensor();
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CO = MQ7.readSensor();
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H22 = MQ8.readSensor();
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LPG2 = MQ9.readSensor();
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Serial.println("***************************");
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Serial.println("Lectures for MQ-Board");
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Serial.print("LPG: ");Serial.print(LPG,2);Serial.println(" ppm");
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Serial.print("Alcohol: ");Serial.print(Alcohol,2);Serial.println(" ppm");
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Serial.print("CH4: ");Serial.print(CH4,2);Serial.println(" ppm");
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Serial.print("H2: ");Serial.print(H2,2);Serial.println(" ppm");
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Serial.print("CH4_2: ");Serial.print(CH42,2);Serial.println(" ppm");
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Serial.print("CO: ");Serial.print(CO,2);Serial.println(" ppm");
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Serial.print("H2_2: ");Serial.print(H22,2);Serial.println(" ppm");
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Serial.print("LPG_2: ");Serial.print(LPG2,2);Serial.println(" ppm");
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Serial.println("***************************");
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}
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