58 lines
1.1 KiB
C++
58 lines
1.1 KiB
C++
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#include <Wire.h>
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#include "SparkFun_SCD30_Arduino_Library.h"
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#include "LiquidCrystal_I2C.h"
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#define LED_PIN3
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/*int ledR =2;
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int ledO =4;
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int ledV =5;*/
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int ledR =5;
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int ledO =18;
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int ledV =19;
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SCD30 airSensor;
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void setup()
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{
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Serial.begin(9600);
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Serial.println("SCD30 Example");
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Wire.begin();
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if (airSensor.begin() == false)
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{
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Serial.println("Air sensor not detected. Please check wiring. Freezing...");
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while (1)
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;
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}
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pinMode(ledR, OUTPUT);
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pinMode(ledO, OUTPUT);
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pinMode(ledV, OUTPUT);
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}
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void loop()
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{
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int taux_co2;
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if (airSensor.dataAvailable())
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{
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taux_co2 = (int)airSensor.getCO2();
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Serial.print("co2(ppm):");
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Serial.print(taux_co2);
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Serial.print(" temp(C):");
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Serial.print(airSensor.getTemperature(), 1);
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Serial.print(" humidity(%):");
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Serial.print(airSensor.getHumidity(), 1);
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Serial.println();
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if (taux_co2 < 800){
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digitalWrite(ledV,HIGH);
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digitalWrite(ledO,LOW);
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digitalWrite(ledR,LOW);
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}
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else if (taux_co2 >= 800 && taux_co2 < 1000){
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digitalWrite(ledO,HIGH);
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digitalWrite(ledV,LOW);
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digitalWrite(ledR,LOW);
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}
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else if (taux_co2 >= 1000){
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digitalWrite(ledR,HIGH);
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digitalWrite(ledO,LOW);
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digitalWrite(ledV,LOW);
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}
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}
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delay(500);
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}
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