diff --git a/examples/MQ-131/MQ-131.ino b/examples/MQ-131/MQ-131.ino index a78bea7..d3f35bf 100644 --- a/examples/MQ-131/MQ-131.ino +++ b/examples/MQ-131/MQ-131.ino @@ -1,7 +1,7 @@ /* - MQUnifiedsensor Library - reading an MQ131 + MQUnifiedsensor Library - reading an MQ9 - Demonstrates the use a MQ131 sensor. + Demonstrates the use a MQ9 sensor. Library originally added 01 may 2019 by Miguel A Califa, Yersson Carrillo, Ghiordy Contreras, Mario Rodriguez @@ -9,6 +9,10 @@ modified 23 May 2019 by Miguel Califa + Updated library usage + modified 26 March 2020 + by Miguel Califa + This example code is in the public domain. */ @@ -17,61 +21,55 @@ #include //Definitions +#define placa "Arduino UNO" +#define Voltage_Resolution 5 #define pin A0 //Analog input 0 of your arduino -#define type 131 //MQ131 +#define type "MQ-8" //MQ9 +#define ADC_Bit_Resolution 10 // For arduino UNO/MEGA/NANO //#define calibration_button 13 //Pin to calibrate your sensor //Declare Sensor -MQUnifiedsensor MQ131(pin, type); - -//Variables -float NOx, CL2, O3; +MQUnifiedsensor MQ9(placa, Voltage_Resolution, ADC_Bit_Resolution, pin, type); void setup() { + //Init the serial port communication - to debug the library Serial.begin(9600); //Init serial port - //init the sensor - /***************************** MQInicializar**************************************** - Input: pin, type - Output: - Remarks: This function create the sensor object. - ************************************************************************************/ - MQ131.inicializar(); - //pinMode(calibration_button, INPUT); + + //Set math model to calculate the PPM concentration and the value of constants + MQ9.setRegressionMethod("Exponential"); //_PPM = a*ratio^b + MQ9.setA(1000.5); MQ9.setB(-2.186); // Configurate the ecuation values to get LPG concentration + + /* + Exponential regression: + GAS | a | b + LPG | 1000.5 | -2.186 + CH4 | 4269.6 | -2.648 + CO | 599.65 | -2.244 + */ + + // Calibration setup + MQ9.setR0(9.42857143); + + /* + //If the RL value is different from 10K please assign your RL value with the following method: + MQ9.setRL(10); + */ + + /***************************** MQ Init ********************************************/ + //Remarks: Configure the pin of arduino as input. + /************************************************************************************/ + MQ9.init(); + /***************************** MQ Init ********************************************/ + //Input: setup flag, if this function are on setup will print the headers (Optional - Default value: False) + //Output: print on serial port the information about sensor and sensor readings + //Remarks: Configure the pin of arduino as input. + /************************************************************************************/ + MQ9.serialDebug(true); } void loop() { - MQ131.update(); // Update data, the arduino will be read the voltaje in the analog pin - /* - // Si el valor de RL es diferente a 10K por favor asigna tu valor de RL con el siguiente metodo: - MQ131.setRL(10); - */ - /* - //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 - Remarks: This function use readPPM to read the value in PPM the gas in the air. - ************************************************************************************/ - //Read the sensor and print in serial port - //Lecture will be saved in lecture variable - //float lecture = MQ131.readSensor("", true); // Return O3 concentration - // Options, uncomment where you need - NOx = MQ131.readSensor("NOx"); // Return NOx concentration - CL2 = MQ131.readSensor("CL2"); // Return CL2 concentration - O3 = MQ131.readSensor("O3"); // Return O3 concentration - - Serial.println("***************************"); - Serial.println("Lectures for MQ-131"); - Serial.print("Volt: ");Serial.print(MQ131.getVoltage(false));Serial.println(" V"); - Serial.print("R0: ");Serial.print(MQ131.getR0());Serial.println(" Ohm"); - Serial.print("NOx: ");Serial.print(NOx,2);Serial.println(" ppm"); - Serial.print("CL2: ");Serial.print(CL2,2);Serial.println(" ppm"); - Serial.print("O3: ");Serial.print(O3,2);Serial.println(" ppm"); - Serial.println("***************************"); -} + MQ9.update(); // Update data, the arduino will be read the voltage on the analog pin + MQ9.readSensor(); // Sensor will read PPM concentration using the model and a and b values setted before or in the setup + MQ9.serialDebug(); // Will print the table on the serial port + delay(500); //Sampling frequency +} \ No newline at end of file diff --git a/examples/MQ-8/MQ-8.ino b/examples/MQ-8/MQ-8.ino index 67a036c..fe8f61a 100644 --- a/examples/MQ-8/MQ-8.ino +++ b/examples/MQ-8/MQ-8.ino @@ -9,6 +9,10 @@ modified 23 May 2019 by Miguel Califa + Updated library usage + modified 26 March 2020 + by Miguel Califa + This example code is in the public domain. */ @@ -17,65 +21,57 @@ #include //Definitions +#define placa "Arduino UNO" +#define Voltage_Resolution 5 #define pin A0 //Analog input 0 of your arduino -#define type 8 //MQ8 +#define type "MQ-8" //MQ8 +#define ADC_Bit_Resolution 10 // For arduino UNO/MEGA/NANO //#define calibration_button 13 //Pin to calibrate your sensor //Declare Sensor -MQUnifiedsensor MQ8(pin, type); - -//Variables -float H2, LPG, CH4, CO, Alcohol; +MQUnifiedsensor MQ8(placa, Voltage_Resolution, ADC_Bit_Resolution, pin, type); void setup() { + //Init the serial port communication - to debug the library Serial.begin(9600); //Init serial port - //init the sensor - /***************************** MQInicializar**************************************** - Input: pin, type - Output: - Remarks: This function create the sensor object. - ************************************************************************************/ - MQ8.inicializar(); - //pinMode(calibration_button, INPUT); + + //Set math model to calculate the PPM concentration and the value of constants + MQ8.setRegressionMethod("Exponential"); //_PPM = a*ratio^b + MQ8.setA(976.97); MQ8.setB(-0.688); // Configurate the ecuation values to get H2 concentration + + /* + Exponential regression: + GAS | a | b + H2 | 976.97 | -0.688 + LPG | 10000000 | -3.123 + CH4 | 80000000000000 | -6.666 + CO | 2000000000000000000 | -8.074 + Alcohol | 76101 | -1.86 + */ + + // Calibration setup + MQ8.setR0(1); + + /* + //If the RL value is different from 10K please assign your RL value with the following method: + MQ8.setRL(10); + */ + + /***************************** MQ Init ********************************************/ + //Remarks: Configure the pin of arduino as input. + /************************************************************************************/ + MQ8.init(); + /***************************** MQ Init ********************************************/ + //Input: setup flag, if this function are on setup will print the headers (Optional - Default value: False) + //Output: print on serial port the information about sensor and sensor readings + //Remarks: Configure the pin of arduino as input. + /************************************************************************************/ + MQ8.serialDebug(true); } void loop() { - MQ8.update(); // Update data, the arduino will be read the voltaje in the analog pin - /* - //Si el valor de RL es diferente a 10K por favor asigna tu valor de RL con el siguiente metodo: - MQ8.setRL(10); - */ - /* - //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 - Remarks: This function use readPPM to read the value in PPM the gas in the air. - ************************************************************************************/ - //Read the sensor and print in serial port - //Lecture will be saved in lecture variable - //float lecture = MQ8.readSensor("", true); // Return H2 concentration - // Options, uncomment where you need - H2 = MQ8.readSensor("H2"); // Return CH4 concentration - LPG = MQ8.readSensor("LPG"); // Return LPG concentration - CH4 = MQ8.readSensor("CH4"); // Return CH4 concentration - CO = MQ8.readSensor("CO"); // Return CO concentration - Alcohol = MQ8.readSensor("Alcohol"); // Return Alcohol concentration - - Serial.println("***************************"); - Serial.println("Lectures for MQ-8"); - Serial.print("Volt: ");Serial.print(MQ8.getVoltage(false));Serial.println(" V"); - Serial.print("R0: ");Serial.print(MQ8.getR0());Serial.println(" Ohm"); - Serial.print("H2: ");Serial.print(H2,2);Serial.println(" ppm"); - Serial.print("LPG: ");Serial.print(LPG,2);Serial.println(" ppm"); - Serial.print("CH4: ");Serial.print(CH4,2);Serial.println(" ppm"); - Serial.print("CO: ");Serial.print(CO,2);Serial.println(" ppm"); - Serial.print("Alcohol: ");Serial.print(Alcohol,2);Serial.println(" ppm"); - Serial.println("***************************"); -} + MQ8.update(); // Update data, the arduino will be read the voltage on the analog pin + MQ8.readSensor(); // Sensor will read PPM concentration using the model and a and b values setted before or in the setup + MQ8.serialDebug(); // Will print the table on the serial port + delay(500); //Sampling frequency +} \ No newline at end of file diff --git a/examples/MQ-9/MQ-9.ino b/examples/MQ-9/MQ-9.ino index 2ff6c73..c315ebb 100644 --- a/examples/MQ-9/MQ-9.ino +++ b/examples/MQ-9/MQ-9.ino @@ -9,6 +9,10 @@ modified 23 May 2019 by Miguel Califa + Updated library usage + modified 26 March 2020 + by Miguel Califa + This example code is in the public domain. */ @@ -17,61 +21,55 @@ #include //Definitions +#define placa "Arduino UNO" +#define Voltage_Resolution 5 #define pin A0 //Analog input 0 of your arduino -#define type 9 //MQ9 +#define type "MQ-9" //MQ9 +#define ADC_Bit_Resolution 10 // For arduino UNO/MEGA/NANO //#define calibration_button 13 //Pin to calibrate your sensor //Declare Sensor -MQUnifiedsensor MQ9(pin, type); - -//Variables -float CO, CH4, LPG; +MQUnifiedsensor MQ9(placa, Voltage_Resolution, ADC_Bit_Resolution, pin, type); void setup() { + //Init the serial port communication - to debug the library Serial.begin(9600); //Init serial port - //init the sensor - /***************************** MQInicializar**************************************** - Input: pin, type - Output: - Remarks: This function create the sensor object. - ************************************************************************************/ - MQ9.inicializar(); - //pinMode(calibration_button, INPUT); + + //Set math model to calculate the PPM concentration and the value of constants + MQ9.setRegressionMethod("Exponential"); //_PPM = a*ratio^b + MQ9.setA(1000.5); MQ9.setB(-2.186); // Configurate the ecuation values to get LPG concentration + + /* + Exponential regression: + GAS | a | b + LPG | 1000.5 | -2.186 + CH4 | 4269.6 | -2.648 + CO | 599.65 | -2.244 + */ + + // Calibration setup + MQ9.setR0(9.42857143); + + /* + //If the RL value is different from 10K please assign your RL value with the following method: + MQ9.setRL(10); + */ + + /***************************** MQ Init ********************************************/ + //Remarks: Configure the pin of arduino as input. + /************************************************************************************/ + MQ9.init(); + /***************************** MQ Init ********************************************/ + //Input: setup flag, if this function are on setup will print the headers (Optional - Default value: False) + //Output: print on serial port the information about sensor and sensor readings + //Remarks: Configure the pin of arduino as input. + /************************************************************************************/ + MQ9.serialDebug(true); } void loop() { - MQ9.update(); // Update data, the arduino will be read the voltaje in the analog pin - /* - //Si el valor de RL es diferente a 10K por favor asigna tu valor de RL con el siguiente metodo: - MQ9.setRL(10); - */ - /* - //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 - Remarks: This function use readPPM to read the value in PPM the gas in the air. - ************************************************************************************/ - //Read the sensor and print in serial port - //Lecture will be saved in lecture variable - //float lecture = MQ9.readSensor("", true); // Return LPG concentration - // Options, uncomment where you need - LPG = MQ9.readSensor("LPG"); // Return LPG concentration - CH4 = MQ9.readSensor("CH4"); // Return CH4 concentration - CO = MQ9.readSensor("CO"); // Return CO concentration - - Serial.println("***************************"); - Serial.println("Lectures for MQ-9"); - Serial.print("Volt: ");Serial.print(MQ9.getVoltage(false));Serial.println(" V"); - Serial.print("R0: ");Serial.print(MQ9.getR0());Serial.println(" Ohm"); - Serial.print("CO: ");Serial.print(CO,2);Serial.println(" ppm"); - Serial.print("LPG: ");Serial.print(LPG,2);Serial.println(" ppm"); - Serial.print("CH4: ");Serial.print(CH4,2);Serial.println(" ppm"); - Serial.println("***************************"); -} + MQ9.update(); // Update data, the arduino will be read the voltage on the analog pin + MQ9.readSensor(); // Sensor will read PPM concentration using the model and a and b values setted before or in the setup + MQ9.serialDebug(); // Will print the table on the serial port + delay(500); //Sampling frequency +} \ No newline at end of file