mirror of
https://github.com/miguel5612/MQSensorsLib.git
synced 2025-03-24 09:40:37 +03:00
56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
/*
|
|
MQUnifiedsensor Library - reading an MQ2
|
|
|
|
Demonstrates the use a MQ2 sensor.
|
|
Library originally added 01 may 2019
|
|
by Miguel A Califa, Yersson Carrillo, Ghiordy Contreras, Mario Rodriguez
|
|
|
|
Added example
|
|
modified 23 May 2019
|
|
by Miguel Califa
|
|
|
|
This example code is in the public domain.
|
|
|
|
*/
|
|
|
|
//Include the library
|
|
#include <MQUnifiedsensor.h>
|
|
|
|
//Definitions
|
|
#define pin A0 //Analog input 0 of your arduino
|
|
#define type 2 //MQ2
|
|
|
|
//Declare Sensor
|
|
MQUnifiedsensor MQ2(pin, type);
|
|
|
|
void setup() {
|
|
//Init serial port
|
|
Serial.begin(115200);
|
|
/***************************** MQInicializar****************************************
|
|
Input:
|
|
Output:
|
|
Remarks: This function configure the pinMode
|
|
************************************************************************************/
|
|
//init the sensor
|
|
MQ2.inicializar();
|
|
}
|
|
|
|
void loop() {
|
|
/***************************** 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
|
|
int lecture = MQ2.readSensor("", true); // Return LPG concentration
|
|
// Options, uncomment where you need
|
|
//int lecture = MQ2.readSensor("H2", true); // Return H2 concentration
|
|
//int lecture = MQ2.readSensor("LPG", true); // Return LPG concentration
|
|
//int lecture = MQ2.readSensor("CO", true); // Return CO concentration
|
|
//int lecture = MQ2.readSensor("Alcohol", true); // Return Alcohol concentration
|
|
//int lecture = MQ2.readSensor("Propane", true); // Return Propane concentration
|
|
//int lecture = MQ2.readSensor("Benzene", true); // Return Benzene concentration
|
|
delay(400);
|
|
}
|