diff --git a/examples/MQ-135/MQ-135.ino b/examples/MQ-135/MQ-135.ino index 30e3c34..c910887 100644 --- a/examples/MQ-135/MQ-135.ino +++ b/examples/MQ-135/MQ-135.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. */ @@ -17,67 +21,58 @@ #include //Definitions +#define placa "Arduino UNO" +#define Voltage_Resolution 5 #define pin A0 //Analog input 0 of your arduino -#define type 135 //MQ135 +#define type "MQ-135" //MQ135 +#define ADC_Bit_Resolution 10 // For arduino UNO/MEGA/NANO //#define calibration_button 13 //Pin to calibrate your sensor //Declare Sensor -MQUnifiedsensor MQ135(pin, type); - -//Variables -float CO, Alcohol, CO2, Tolueno, NH4, Acetona; +MQUnifiedsensor MQ135(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. - ************************************************************************************/ - MQ135.inicializar(); - //pinMode(calibration_button, INPUT); + + //Set math model to calculate the PPM concentration and the value of constants + MQ135.setRegressionMethod("Exponential"); //_PPM = a*ratio^b + MQ135.setA(102.2); MQ135.setB(-2.473); // Configurate the ecuation values to get NH4 concentration + + /* + Exponential regression: + GAS | a | b + CO | 605.18 | -3.937 + Alcohol | 77.255 | -3.18 + CO2 | 110.47 | -2.862 + Tolueno | 44.947 | -3.445 + NH4 | 102.2 | -2.473 + Acetona | 34.668 | -3.369 + */ + + // Calibration setup + MQ135.setR0(76.63); + + /* + //If the RL value is different from 10K please assign your RL value with the following method: + MQ135.setRL(10); + */ + + /***************************** MQ Init ********************************************/ + //Remarks: Configure the pin of arduino as input. + /************************************************************************************/ + MQ135.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. + /************************************************************************************/ + MQ135.serialDebug(true); } void loop() { - MQ135.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: - MQ135.setRL(10); - */ - /* - //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 - 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 = MQ135.readSensor("", true); // Return NH4 concentration - // Options, uncomment where you need - CO = MQ135.readSensor("CO"); // Return CO concentration - Alcohol = MQ135.readSensor("Alcohol"); // Return Alcohol concentration - CO2 = MQ135.readSensor("CO2"); // Return CO2 concentration - Tolueno = MQ135.readSensor("Tolueno"); // Return Tolueno concentration - NH4 = MQ135.readSensor("NH4"); // Return NH4 concentration - Acetona = MQ135.readSensor("Acetona"); // Return Acetona concentration - - Serial.println("***************************"); - Serial.println("Lectures for MQ-135"); - Serial.print("Volt: ");Serial.print(MQ135.getVoltage(false));Serial.println(" V"); - Serial.print("R0: ");Serial.print(MQ135.getR0());Serial.println(" Ohm"); - Serial.print("CO: ");Serial.print(CO,2);Serial.println(" ppm"); - Serial.print("Alcohol: ");Serial.print(Alcohol,2);Serial.println(" ppm"); - Serial.print("CO2: ");Serial.print(CO2,2);Serial.println(" ppm"); - Serial.print("Tolueno: ");Serial.print(Tolueno,2);Serial.println(" ppm"); - Serial.print("NH4: ");Serial.print(NH4,2);Serial.println(" ppm"); - Serial.print("Acetona: ");Serial.print(Acetona,2);Serial.println(" ppm"); - Serial.println("***************************"); -} + MQ135.update(); // Update data, the arduino will be read the voltage on the analog pin + MQ135.readSensor(); // Sensor will read PPM concentration using the model and a and b values setted before or in the setup + MQ135.serialDebug(); // Will print the table on the serial port + delay(500); //Sampling frequency +} \ No newline at end of file diff --git a/examples/MQ-303A/MQ303.ino b/examples/MQ-303A/MQ303.ino index b67fec2..f2dc654 100644 --- a/examples/MQ-303A/MQ303.ino +++ b/examples/MQ-303A/MQ303.ino @@ -1,5 +1,5 @@ /* - MQUnifiedsensor Library - reading an MQ4 + MQUnifiedsensor Library - reading an MQ303 Demonstrates the use a MQ303 sensor. Library originally added 01 may 2019 @@ -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. */ @@ -17,62 +21,55 @@ #include //Definitions +#define placa "Arduino UNO" +#define Voltage_Resolution 5 #define pin A0 //Analog input 0 of your arduino -#define type 303 //MQ303 +#define type "MQ-303" //MQ303 +#define ADC_Bit_Resolution 10 // For arduino UNO/MEGA/NANO //#define calibration_button 13 //Pin to calibrate your sensor //Declare Sensor -MQUnifiedsensor MQ303(pin, type); - -//Variables -float Iso_butano, Hydrogeno, Ethanol; +MQUnifiedsensor MQ303(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. - ************************************************************************************/ - MQ303.inicializar(); - //pinMode(calibration_button, INPUT); + + //Set math model to calculate the PPM concentration and the value of constants + MQ303.setRegressionMethod("Exponential"); //_PPM = a*ratio^b + MQ303.setA(6.2144); MQ303.setB(-2.894); // Configurate the ecuation values to get Isobutano concentration + + /* + Exponential regression: + GAS | a | b + Iso_butano | 6.2144 | -2.894 + Hydrogen | 4.1487 | -2.716 + Ethanol | 3.4916 | -2.432 + */ + + // Calibration setup + MQ303.setR0(10); + + /* + //If the RL value is different from 10K please assign your RL value with the following method: + MQ303.setRL(10); + */ + + /***************************** MQ Init ********************************************/ + //Remarks: Configure the pin of arduino as input. + /************************************************************************************/ + MQ303.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. + /************************************************************************************/ + MQ303.serialDebug(true); } void loop() { - MQ303.update(); - /* - //Si el valor de RL es diferente a 10K por favor asigna tu valor de RL con el siguiente metodo: - MQ303.setRL(10); - */ - /* - //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 - 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 = MQ303.readSensor("", true); // Return Isobutano concentration - // Options, uncomment where you need - Iso_butano = MQ303.readSensor("Iso_butano"); // Return Iso_butano concentration - Hydrogeno = MQ303.readSensor("Hydrogeno"); // Return Hydrogeno concentration - Ethanol = MQ303.readSensor("Ethanol"); // Return Ethanol concentration - - Serial.println("***************************"); - Serial.println("Lectures for MQ-303"); - Serial.print("Volt: ");Serial.print(MQ303.getVoltage(false));Serial.println(" V"); - Serial.print("R0: ");Serial.print(MQ303.getR0());Serial.println(" Ohm"); - Serial.print("Iso_butano: ");Serial.print(Iso_butano,2);Serial.println(" ppm"); - Serial.print("Hydrogeno: ");Serial.print(Hydrogeno,2);Serial.println(" ppm"); - Serial.print("Ethanol: ");Serial.print(Ethanol,2);Serial.println(" ppm"); - Serial.println("***************************"); - -} + MQ303.update(); // Update data, the arduino will be read the voltage on the analog pin + MQ303.readSensor(); // Sensor will read PPM concentration using the model and a and b values setted before or in the setup + MQ303.serialDebug(); // Will print the table on the serial port + delay(500); //Sampling frequency +} \ No newline at end of file diff --git a/examples/MQ-309A/MQ-309.ino b/examples/MQ-309A/MQ-309.ino index f17bd96..e3e8dc9 100644 --- a/examples/MQ-309A/MQ-309.ino +++ b/examples/MQ-309A/MQ-309.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. */ @@ -17,63 +21,56 @@ #include //Definitions +#define placa "Arduino UNO" +#define Voltage_Resolution 5 #define pin A0 //Analog input 0 of your arduino -#define type 309 //MQ309 +#define type "MQ-309" //MQ309 +#define ADC_Bit_Resolution 10 // For arduino UNO/MEGA/NANO //#define calibration_button 13 //Pin to calibrate your sensor //Declare Sensor -MQUnifiedsensor MQ309(pin, type); - -//Variables -float H2, CH4, CO, Alcohol; +MQUnifiedsensor MQ309(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. - ************************************************************************************/ - MQ309.inicializar(); - //pinMode(calibration_button, INPUT); + + //Set math model to calculate the PPM concentration and the value of constants + MQ309.setRegressionMethod("Exponential"); //_PPM = a*ratio^b + MQ309.setA(1000000); MQ309.setB(-4.01); // Configurate the ecuation values to get CO concentration + + /* + Exponential regression: + GAS | a | b + H2 | 1532.9 | -1.951 + CH4 | 980.24 | -1.68 + CO | 1000000 | -4.01 + ALCOHOL | 473622 | -3.647 + */ + + // Calibration setup + MQ309.setR0(10); + + /* + //If the RL value is different from 10K please assign your RL value with the following method: + MQ309.setRL(10); + */ + + /***************************** MQ Init ********************************************/ + //Remarks: Configure the pin of arduino as input. + /************************************************************************************/ + MQ309.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. + /************************************************************************************/ + MQ309.serialDebug(true); } void loop() { - MQ309.update(); - /* - //Si el valor de RL es diferente a 10K por favor asigna tu valor de RL con el siguiente metodo: - MQ309.setRL(10); - */ - /* - //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 - 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 = MQ309.readSensor("", true); // Return CO concentration - // Options, uncomment where you need - H2 = MQ309.readSensor("H2"); // Return H2 concentration - CH4 = MQ309.readSensor("CH4"); // Return CH4 concentration - CO = MQ309.readSensor("CO"); // Return CO concentration - Alcohol = MQ309.readSensor("Alcohol"); // Return Alcohol concentration - - Serial.println("***************************"); - Serial.println("Lectures for MQ-309"); - Serial.print("Volt: ");Serial.print(MQ309.getVoltage(false));Serial.println(" V"); - Serial.print("R0: ");Serial.print(MQ309.getR0());Serial.println(" Ohm"); - Serial.print("H2: ");Serial.print(H2,2);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("***************************"); -} + MQ309.update(); // Update data, the arduino will be read the voltage on the analog pin + MQ309.readSensor(); // Sensor will read PPM concentration using the model and a and b values setted before or in the setup + MQ309.serialDebug(); // Will print the table on the serial port + delay(500); //Sampling frequency +} \ No newline at end of file