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Updated examples

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miguel5612
2020-03-26 14:42:46 -05:00
parent 333610088f
commit b6da8a2181
3 changed files with 111 additions and 37 deletions
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28
examples/Calibration/Calibration.ino
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@ -17,19 +17,39 @@
#include <MQUnifiedsensor.h>
//Definitions
#define placa "Arduino UNO"
#define Voltage_Resolution 5
#define pin A0 //Analog input 0 of your arduino
#define type 2 //MQ2
#define type "MQ-2" //MQ2
#define ADC_Bit_Resolution 10 // For arduino UNO/MEGA/NANO
//Defaults, uncomment if you need
#define RatioMQ2CleanAir 9.83 //RS / R0 = 9.83 ppm
//#define RatioMQ3CleanAir 60 //RS / R0 = 60 ppm
//#define RatioMQ4CleanAir 4.4 //RS / R0 = 4.4 ppm
//#define RatioMQ5CleanAir 6.5 //RS / R0 = 6.5 ppm
//#define RatioMQ6CleanAir 10 //RS / R0 = 10 ppm
//#define RatioMQ7CleanAir 27.5 //RS / R0 = 27.5 ppm
//#define RatioMQ8CleanAir 70 //RS / R0 = 70 ppm
//#define RatioMQ9CleanAir 9.6 //RS / R0 = 9.6 ppm
//#define RatioMQ131CleanAir 15 //RS / R0 = 15 ppm
//#define RatioMQ135CleanAir 3.6//RS / R0 = 3.6 ppm
//#define RatioMQ303CleanAir 1 //RS / R0 = 1 ppm
//#define RatioMQ309CleanAir 11 //RS / R0 = 11 ppm
//Declare Sensor
MQUnifiedsensor MQ2(pin, type);
MQUnifiedsensor MQ2(placa, Voltage_Resolution, ADC_Bit_Resolution, pin2, type);
unsigned long contador = 0;
void setup() {
//Init serial port
Serial.begin(115200);
MQ2.setRegressionMethod("Exponential"); //_PPM = a*ratio^b
MQ2.setA(574.25); MQ2.setB(-2.222); // Configurate the ecuation values to get LPG concentration
//init the sensor
MQ2.inicializar();
MQ2.init();
//Print in serial monitor
Serial.print("MQ2 - Calibracion");
Serial.print("Note - Make sure you are in a clean room and the sensor has pre-heated almost 4 hours");
@ -38,7 +58,7 @@ void setup() {
void loop() {
//Read the sensor and print in serial port
int lecture = MQ2.calibrate();
int lecture = MQ2.calibrate(RatioMQ2CleanAir);
//Print in serial monitor
Serial.print(String(contador) + ",");
Serial.println(lecture);