Updated examples, added calibration option into program Commented

examples/MQ-131/MQ-131.ino

@@ -19,6 +19,7 @@
 //Definitions
 #define pin A0 //Analog input 0 of your arduino
 #define type 131 //MQ131
+//#define calibration_button 13 //Pin to calibrate your sensor
 
 //Declare Sensor
 MQUnifiedsensor MQ131(pin, type);
@@ -35,10 +36,19 @@ void setup() {
   Remarks: This function create the sensor object.
   ************************************************************************************/ 
   MQ131.inicializar(); 
+  //pinMode(calibration_button, INPUT);
 }
 
 void loop() {
   MQ131.update(); // Update data, the arduino will be read the voltaje in the analog pin
+   /*
+  //Rutina de calibracion - Uncomment if you need (setup too and header)
+  if(calibration_button)
+  {
+    float R0 = MQ131.calibrate();
+    MQ131.setR0(R0):
+  }
+  */
   /*****************************  MQReadSensor  ****************************************
   Input:   Gas - Serial print flag
   Output:  Value in PPM

examples/MQ-135/MQ-135.ino

@@ -19,6 +19,7 @@
 //Definitions
 #define pin A0 //Analog input 0 of your arduino
 #define type 135 //MQ135
+//#define calibration_button 13 //Pin to calibrate your sensor
 
 //Declare Sensor
 MQUnifiedsensor MQ135(pin, type);
@@ -35,10 +36,19 @@ void setup() {
   Remarks: This function create the sensor object.
   ************************************************************************************/ 
   MQ135.inicializar(); 
+  //pinMode(calibration_button, INPUT);
 }
 
 void loop() {
   MQ135.update(); // Update data, the arduino will be read the voltaje in the analog pin
+  /*
+  //Rutina de calibracion - Uncomment if you need (setup too and header)
+  if(calibration_button)
+  {
+    float R0 = MQ135.calibrate();
+    MQ135.setR0(R0):
+  }
+  */
    /*****************************  MQReadSensor  ****************************************
   Input:   Gas - Serial print flag
   Output:  Value in PPM

examples/MQ-2/MQ-2.ino

@@ -19,6 +19,7 @@
 //Definitions
 #define pin A0 //Analog input 0 of your arduino
 #define type 2 //MQ2
+//#define calibration_button 13 //Pin to calibrate your sensor
 
 //Declare Sensor
 MQUnifiedsensor MQ2(pin, type);
@@ -35,10 +36,19 @@ void setup() {
   ************************************************************************************/ 
   //init the sensor
   MQ2.inicializar(); 
+  //pinMode(calibration_button, INPUT);
 }
 
   void loop() {
   MQ2.update(); // Update data, the arduino will be read the voltaje in the analog pin
+  /*
+  //Rutina de calibracion - Uncomment if you need (setup too and header)
+  if(calibration_button)
+  {
+    float R0 = MQ2.calibrate();
+    MQ2.setR0(R0):
+  }
+  */
   /*****************************  MQReadSensor  ****************************************
   Input:   Gas - Serial print flag
   Output:  Value in PPM

examples/MQ-3/MQ-3.ino

@@ -19,6 +19,7 @@
 //Definitions
 #define pin A0 //Analog input 0 of your arduino
 #define type 3 //MQ3
+//#define calibration_button 13 //Pin to calibrate your sensor
 
 //Declare Sensor
 MQUnifiedsensor MQ3(pin, type);
@@ -35,10 +36,19 @@ void setup() {
   Remarks: This function create the sensor object.
   ************************************************************************************/ 
   MQ3.inicializar(); 
+  //pinMode(calibration_button, INPUT);
 }
 
 void loop() {
   MQ3.update(); // Update data, the arduino will be read the voltaje in the analog pin
+  /*
+  //Rutina de calibracion - Uncomment if you need (setup too and header)
+  if(calibration_button)
+  {
+    float R0 = MQ3.calibrate();
+    MQ3.setR0(R0):
+  }
+  */
   /*****************************  MQReadSensor  ****************************************
   Input:   Gas - Serial print flag
   Output:  Value in PPM

examples/MQ-303A/MQ303.ino

@@ -19,6 +19,7 @@
 //Definitions
 #define pin A0 //Analog input 0 of your arduino
 #define type 303 //MQ303
+//#define calibration_button 13 //Pin to calibrate your sensor
 
 //Declare Sensor
 MQUnifiedsensor MQ303(pin, type);
@@ -35,10 +36,19 @@ void setup() {
   Remarks: This function create the sensor object.
   ************************************************************************************/ 
   MQ303.inicializar(); 
+  //pinMode(calibration_button, INPUT);
 }
 
 void loop() {
   MQ303.update();
+  /*
+  //Rutina de calibracion - Uncomment if you need (setup too and header)
+  if(calibration_button)
+  {
+    float R0 = MQ303.calibrate();
+    MQ303.setR0(R0):
+  }
+  */
   /*****************************  MQReadSensor  ****************************************
   Input:   Gas - Serial print flag
   Output:  Value in PPM

examples/MQ-309A/MQ-309.ino

@@ -19,6 +19,7 @@
 //Definitions
 #define pin A0 //Analog input 0 of your arduino
 #define type 309 //MQ309
+//#define calibration_button 13 //Pin to calibrate your sensor
 
 //Declare Sensor
 MQUnifiedsensor MQ309(pin, type);
@@ -35,9 +36,19 @@ void setup() {
   Remarks: This function create the sensor object.
   ************************************************************************************/ 
   MQ309.inicializar(); 
+  //pinMode(calibration_button, INPUT);
 }
 
 void loop() {
+  MQ309.update();
+  /*
+  //Rutina de calibracion - Uncomment if you need (setup too and header)
+  if(calibration_button)
+  {
+    float R0 = MQ309.calibrate();
+    MQ309.setR0(R0):
+  }
+  */
   /*****************************  MQReadSensor  ****************************************
   Input:   Gas - Serial print flag
   Output:  Value in PPM

examples/MQ-4/MQ-4.ino

@@ -19,6 +19,7 @@
 //Definitions
 #define pin A0 //Analog input 0 of your arduino
 #define type 4 //MQ4
+//#define calibration_button 13 //Pin to calibrate your sensor
 
 //Declare Sensor
 MQUnifiedsensor MQ4(pin, type);
@@ -35,10 +36,19 @@ void setup() {
   Remarks: This function create the sensor object.
   ************************************************************************************/ 
   MQ4.inicializar(); 
+  //pinMode(calibration_button, INPUT);
 }
 
 void loop() {
   MQ4.update(); // Update data, the arduino will be read the voltaje in the analog pin
+  /*
+  //Rutina de calibracion - Uncomment if you need (setup too and header)
+  if(calibration_button)
+  {
+    float R0 = MQ4.calibrate();
+    MQ4.setR0(R0):
+  }
+  */
   /*****************************  MQReadSensor  ****************************************
   Input:   Gas - Serial print flag
   Output:  Value in PPM

examples/MQ-5/MQ-5.ino

@@ -19,6 +19,7 @@
 //Definitions
 #define pin A0 //Analog input 0 of your arduino
 #define type 5 //MQ5
+//#define calibration_button 13 //Pin to calibrate your sensor
 
 //Declare Sensor
 MQUnifiedsensor MQ5(pin, type);
@@ -35,11 +36,20 @@ void setup() {
   Remarks: This function create the sensor object.
   ************************************************************************************/ 
   MQ5.inicializar(); 
+  //pinMode(calibration_button, INPUT);
 }
 
 void loop() {
 
   MQ5.update(); // Update data, the arduino will be read the voltaje in the analog pin
+  /*
+  //Rutina de calibracion - Uncomment if you need (setup too and header)
+  if(calibration_button)
+  {
+    float R0 = MQ5.calibrate();
+    MQ5.setR0(R0):
+  }
+  */
   /*****************************  MQReadSensor  ****************************************
   Input:   Gas - Serial print flag
   Output:  Value in PPM

examples/MQ-6/MQ-6.ino

@@ -19,6 +19,7 @@
 //Definitions
 #define pin A0 //Analog input 0 of your arduino
 #define type 6 //MQ6
+//#define calibration_button 13 //Pin to calibrate your sensor
 
 //Declare Sensor
 MQUnifiedsensor MQ6(pin, type);
@@ -35,10 +36,19 @@ void setup() {
   Remarks: This function create the sensor object.
   ************************************************************************************/ 
   MQ6.inicializar(); 
+  //pinMode(calibration_button, INPUT);
 }
 
 void loop() {
   MQ6.update(); // Update data, the arduino will be read the voltaje in the analog pin
+  /*
+  //Rutina de calibracion - Uncomment if you need (setup too and header)
+  if(calibration_button)
+  {
+    float R0 = MQ6.calibrate();
+    MQ6.setR0(R0):
+  }
+  */
   /*****************************  MQReadSensor  ****************************************
   Input:   Gas - Serial print flag
   Output:  Value in PPM

examples/MQ-7/MQ-7.ino

@@ -21,6 +21,7 @@
 //Definitions
 #define pin A0 //Analog input 0 of your arduino
 #define type 7 //MQ7
+//#define calibration_button 13 //Pin to calibrate your sensor
 
 
 //Declare Sensor
@@ -38,10 +39,19 @@ void setup() {
   Remarks: This function create the sensor object.
   ************************************************************************************/ 
   MQ7.inicializar(); 
+  //pinMode(calibration_button, INPUT);
 }
 
 void loop() {
   MQ7.update(); // Update data, the arduino will be read the voltaje in the analog pin
+  /*
+  //Rutina de calibracion - Uncomment if you need (setup too and header)
+  if(calibration_button)
+  {
+    float R0 = MQ7.calibrate();
+    MQ7.setR0(R0):
+  }
+  */
   /*****************************  MQReadSensor  ****************************************
   Input:   Gas - Serial print flag
   Output:  Value in PPM

examples/MQ-8/MQ-8.ino

@@ -19,6 +19,7 @@
 //Definitions
 #define pin A0 //Analog input 0 of your arduino
 #define type 8 //MQ8
+//#define calibration_button 13 //Pin to calibrate your sensor
 
 //Declare Sensor
 MQUnifiedsensor MQ8(pin, type);
@@ -35,10 +36,19 @@ void setup() {
   Remarks: This function create the sensor object.
   ************************************************************************************/ 
   MQ8.inicializar(); 
+  //pinMode(calibration_button, INPUT);
 }
 
 void loop() {
   MQ8.update(); // Update data, the arduino will be read the voltaje in the analog pin
+  /*
+  //Rutina de calibracion - Uncomment if you need (setup too and header)
+  if(calibration_button)
+  {
+    float R0 = MQ8.calibrate();
+    MQ8.setR0(R0):
+  }
+  */
   /*****************************  MQReadSensor  ****************************************
   Input:   Gas - Serial print flag
   Output:  Value in PPM

examples/MQ-9/MQ-9.ino

@@ -19,6 +19,7 @@
 //Definitions
 #define pin A0 //Analog input 0 of your arduino
 #define type 9 //MQ9
+//#define calibration_button 13 //Pin to calibrate your sensor
 
 //Declare Sensor
 MQUnifiedsensor MQ9(pin, type);
@@ -35,10 +36,19 @@ void setup() {
   Remarks: This function create the sensor object.
   ************************************************************************************/ 
   MQ9.inicializar(); 
+  //pinMode(calibration_button, INPUT);
 }
 
 void loop() {
   MQ9.update(); // Update data, the arduino will be read the voltaje in the analog pin
+  /*
+  //Rutina de calibracion - Uncomment if you need (setup too and header)
+  if(calibration_button)
+  {
+    float R0 = MQ9.calibrate();
+    MQ9.setR0(R0):
+  }
+  */
  /*****************************  MQReadSensor  ****************************************
   Input:   Gas - Serial print flag
   Output:  Value in PPM

examples/MQ-Board/MQ-Board.ino

@@ -25,6 +25,7 @@
 #define pin7 A7 //Analog input 7 of your arduino
 #define pin8 A8 //Analog input 8 of your arduino
 #define pin9 A9 //Analog input 9 of your arduino
+//#define calibration_button 13 //Pin to calibrate your sensor
 
 //Declare Sensor
 MQUnifiedsensor MQ2(pin2, 2);
@@ -53,6 +54,7 @@ void setup() {
   MQ9.inicializar(); 
   //Print in serial monitor
   Serial.print("MQ2 to MQ9 - lecture");
+  //pinMode(calibration_button, INPUT);
 }
 
 void loop() {
@@ -65,7 +67,28 @@ void loop() {
   MQ7.update();
   MQ8.update();
   MQ9.update();
-  
+  /*
+  //Rutina de calibracion - Uncomment if you need (setup too and header)
+  if(calibration_button)
+  {
+    float R0 = MQ2.calibrate();
+    MQ2.setR0(R0):
+    R0 = MQ3.calibrate();
+    MQ3.setR0(R0):
+    R0 = MQ4.calibrate();
+    MQ4.setR0(R0):
+    R0 = MQ5.calibrate();
+    MQ5.setR0(R0):
+    R0 = MQ6.calibrate();
+    MQ6.setR0(R0):
+    R0 = MQ7.calibrate();
+    MQ7.setR0(R0):
+    R0 = MQ8.calibrate();
+    MQ8.setR0(R0):
+    R0 = MQ9.calibrate();
+    MQ9.setR0(R0):
+  }
+  */
   //Read the sensor and print in serial port
   LPG =  MQ2.readSensor();
   Alcohol =  MQ3.readSensor();