Updated MQ131 to MQ309

This commit is contained in:
miguel5612 2020-03-26 13:20:05 -05:00
parent 733988c5d3
commit cf15fb6d2a
3 changed files with 143 additions and 154 deletions

View File

@ -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 <MQUnifiedsensor.h>
//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
}

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@ -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 <MQUnifiedsensor.h>
//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
}

View File

@ -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 <MQUnifiedsensor.h>
//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
}