Code pour le capteur SCD30

SCD30-6-JUIN-2.ino

+// Code pour faire fonctionner capteur et les 3 leds ensemble avec les conditions
+#include <Adafruit_SCD30.h>
+#include <SPI.h>
+#include <SD.h>
+#include <Wire.h>
+#include <SPI.h>
+
+Adafruit_SCD30  scd30;
+
+File myFile;
+const int L1 = 7; //rouge
+const int L2 = 3; //jaune
+const int L3 =2 ; //vert
+
+void save_co2() {
+  myFile = SD.open("CO2.txt", FILE_WRITE);
+
+  myFile.println(scd30.CO2);
+  
+  myFile.close();
+}
+
+void setup(void) {
+  
+  pinMode(L1,OUTPUT);
+  pinMode(L2,OUTPUT);
+  pinMode(L3,OUTPUT);
+
+  Serial.begin(115200);
+  while (!Serial) delay(10); // will pause Zero, Leonardo, etc until serial console opens
+
+  Serial.println("Adafruit SCD30 test!");
+
+  // Try to initialize!
+  if (!scd30.begin()) {
+    Serial.println("Failed to find SCD30 chip");
+    while (1) { delay(10); }
+  }
+  Serial.println("SCD30 Found!");
+
+
+  // if (!scd30.setMeasurementInterval(10)){
+  //   Serial.println("Failed to set measurement interval");
+  //   while(1){ delay(10);}
+  // }
+  Serial.print("Measurement Interval: "); 
+  Serial.print(scd30.getMeasurementInterval()); 
+  Serial.println(" seconds");
+
+  // Initialisation de la carte SD
+  Serial.print("Initializing SD card...");
+  if (!SD.begin(10)) {
+    Serial.println("initialization failed!");
+    digitalWrite(L1,HIGH);
+    delay(200);
+    digitalWrite(L1,LOW);
+    delay(200);
+    digitalWrite(L1,HIGH);
+    delay(200);
+    digitalWrite(L1,LOW);
+    delay(200);
+    digitalWrite(L1,HIGH);
+    delay(200);
+    digitalWrite(L1,LOW);
+    delay(200);
+    digitalWrite(L1,HIGH);
+    delay(200);
+    digitalWrite(L1,LOW);
+    delay(200);
+    digitalWrite(L1,HIGH);
+    delay(200);
+    digitalWrite(L1,LOW);
+    delay(200);
+    digitalWrite(L1,HIGH);
+    delay(200);
+    digitalWrite(L1,LOW);
+    while (1);
+  }
+  Serial.println("initialization done.");
+  digitalWrite(L3,HIGH);
+  delay(200);
+  digitalWrite(L3,LOW);
+  delay(200);
+  digitalWrite(L3,HIGH);
+  delay(200);
+  digitalWrite(L3,LOW);
+  delay(200);
+  digitalWrite(L3,HIGH);
+  delay(200);
+  digitalWrite(L3,LOW);
+  delay(200);
+  digitalWrite(L3,HIGH);
+  delay(200);
+  digitalWrite(L3,LOW);
+  delay(200);
+  digitalWrite(L3,HIGH);
+  delay(200);
+  digitalWrite(L3,LOW);
+  delay(200);
+  digitalWrite(L3,HIGH);
+  delay(200);
+  digitalWrite(L3,LOW);
+
+  myFile = SD.open("CO2.txt", FILE_WRITE);
+  myFile.println(" ");
+  myFile.println("----------- NOUVELLE MESURE -------------");
+  myFile.close();
+  
+}
+
+void loop() {
+  if (scd30.dataReady()){
+    Serial.println("Data available!");
+
+    if (!scd30.read()){ Serial.println("Error reading sensor data"); return; }
+
+    Serial.print("Temperature: ");
+    Serial.print(scd30.temperature);
+    Serial.println(" degrees C");
+    
+    Serial.print("Relative Humidity: ");
+    Serial.print(scd30.relative_humidity);
+    Serial.println(" %");
+    
+    Serial.print("CO2: ");
+    Serial.print(scd30.CO2, 3);
+    Serial.println(" ppm");
+    Serial.println("");
+
+    save_co2();
+
+  } else {
+    //Serial.println("No data");
+  }
+
+  delay(100);
+
+  //programmation des LEDS
+
+  if (scd30.CO2 > 1000){ //rouge
+    digitalWrite(L1,HIGH);
+    digitalWrite(L2,LOW);
+    digitalWrite(L3,LOW);
+  }
+  else if(scd30.CO2 < 800 and scd30.CO2 > 300) { //vert
+    digitalWrite(L1,LOW);
+    digitalWrite(L2,LOW);
+    digitalWrite(L3,HIGH); 
+  }
+
+  else if(scd30.CO2 <300) { //stabilisation en attendant la calibration du capteur
+    digitalWrite(L1,LOW);
+    digitalWrite(L2,LOW);
+    digitalWrite(L3,LOW);
+    delay(2000);
+  }
+  else { //jaune
+     digitalWrite(L1,LOW);
+    digitalWrite(L2,HIGH);
+    digitalWrite(L3,LOW);
+  }
+  
+}