MQSensorsLib/examples/smokeDetector/smokeDetector.ino

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2019-07-09 19:56:52 -05:00
/*
MQUnifiedsensor Library - smokeDetector
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 4 //MQ4
//Declare Sensor
MQUnifiedsensor MQ4(pin, type);
void setup() {
//Init serial port
Serial.begin(115200);
/***************************** MQInicializar****************************************
Input:
Output:
Remarks: This function configure the pinMode
************************************************************************************/
//init the sensor
MQ4.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 = MQ4.readSensor("smoke"); // Return smoke concentration
Serial.print("MQ4 smoke ppm lecture: ");
Serial.print(lecture);
Serial.println(" ppm");
delay(400);
}