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50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
/*
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MQUnifiedsensor Library - calibrating an MQ2
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Demonstrates the use a MQ2 sensor.
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Library originally added 01 may 2019
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by Miguel A Califa, Yersson Carrillo, Ghiordy Contreras, Mario Rodriguez
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Added example
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modified 27 May 2019
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by Miguel Califa
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This example code is in the public domain.
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*/
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//Include the library
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#include <MQUnifiedsensor.h>
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//Definitions
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#define pin A0 //Analog input 0 of your arduino
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#define type 2 //MQ2
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//Declare Sensor
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MQUnifiedsensor MQ2(pin, type);
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unsigned long contador = 0;
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void setup() {
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//Init serial port
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Serial.begin(115200);
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//init the sensor
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MQ2.inicializar();
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//Print in serial monitor
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Serial.print("MQ2 - Calibracion");
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Serial.print("Note - Make sure you are in a clean room and the sensor has pre-heated almost 4 hours");
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Serial.print("Autonumeric, lecture");
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}
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void loop() {
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//Read the sensor and print in serial port
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int lecture = MQ2.calibrate();
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//Print in serial monitor
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Serial.print(String(contador) + ",");
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Serial.println(lecture);
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//Increment counter
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contador++;
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//Wait to measure next sample
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delay(400);
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}
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