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Fixed issue reading voltaje and update MQ3 Example

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miguel5612
2019-08-14 21:33:24 -05:00
parent 8a929cff7f
commit 067ffa76eb
3 changed files with 155 additions and 135 deletions
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37
examples/MQ-3/MQ-3.ino
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@ -17,14 +17,17 @@
#include <MQUnifiedsensor.h>
//Definitions
#define pin A0 //Analog input 0 of your arduino
#define pin A3 //Analog input 0 of your arduino
#define type 3 //MQ3
//Declare Sensor
MQUnifiedsensor MQ3(pin, type);
//Variables
float CH4, LPG, CO, Alcohol, Hexane, Benzine;
void setup() {
Serial.begin(9600);
//init the sensor
/***************************** MQInicializar****************************************
Input: pin, type
@ -35,6 +38,7 @@ void setup() {
}
void loop() {
MQ3.update(); // Update data, the arduino will be read the voltaje in the analog pin
/***************************** MQReadSensor ****************************************
Input: Gas - Serial print flag
Output: Value in PPM
@ -42,12 +46,25 @@ void loop() {
************************************************************************************/
//Read the sensor and print in serial port
//Lecture will be saved in lecture variable
int lecture = MQ3.readSensor("", true); // Return Alcohol concentration
//float lecture = MQ3.readSensor("", true); // Return Alcohol concentration
// Options, uncomment where you need
//int lecture = MQ3.readSensor("CH4", true); // Return CH4 concentration
//int lecture = MQ3.readSensor("LPG", true); // Return LPG concentration
//int lecture = MQ3.readSensor("CO", true); // Return CO concentration
//int lecture = MQ3.readSensor("Alcohol", true); // Return Alcohol concentration
//int lecture = MQ3.readSensor("Hexane", true); // Return Hexane concentration
//int lecture = MQ3.readSensor("Benzene", true); // Return Benzene concentration
}
CH4 = MQ3.readSensor("CH4"); // Return CH4 concentration
LPG = MQ3.readSensor("LPG"); // Return LPG concentration
CO = MQ3.readSensor("CO"); // Return CO concentration
Alcohol = MQ3.readSensor("Alcohol"); // Return Alcohol concentration
Hexane = MQ3.readSensor("Hexane"); // Return Hexane concentration
Benzine = MQ3.readSensor("Benzene"); // Return Benzene concentration
Serial.println("***************************");
Serial.println("Lectures for MQ-3");
Serial.print("Volt: ");Serial.print(MQ3.getVoltage(false));Serial.println(" V");
Serial.print("R0: ");Serial.print(MQ3.getR0());Serial.println(" Ohm");
Serial.print("CH4: ");Serial.print(CH4,2);Serial.println(" mg/L");
Serial.print("LPG: ");Serial.print(LPG,2);Serial.println(" mg/L");
Serial.print("CO: ");Serial.print(CO,2);Serial.println(" mg/L");
Serial.print("Alcohol: ");Serial.print(Alcohol,2);Serial.println(" mg/L");
Serial.print("Hexane: ");Serial.print(Hexane,2);Serial.println(" mg/L");
Serial.print("Benzine: ");Serial.print(Benzine,2);Serial.println(" mg/L");
Serial.println("***************************");
}