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Ardunio_CCS811.ino

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+/***************************************************************************
+  This is a library for the CCS811 air 
+
+  This sketch reads the sensor
+
+  Designed specifically to work with the Adafruit CCS811 breakout
+  ----> http://www.adafruit.com/products/3566
+
+  These sensors use I2C to communicate. The device's I2C address is 0x5A
+
+  Adafruit invests time and resources providing this open source code,
+  please support Adafruit andopen-source hardware by purchasing products
+  from Adafruit!
+
+  Written by Dean Miller for Adafruit Industries.
+  BSD license, all text above must be included in any redistribution
+ ***************************************************************************/
+
+#include "Adafruit_CCS811.h"
+
+Adafruit_CCS811 ccs;
+
+void setup() {
+  Serial.begin(115200);
+
+  Serial.println("CCS811 Reading CO2 and VOC");
+  Sensor_ON();
+  if(!ccs.begin()){
+    Serial.println("Failed to start sensor! Please check your wiring.");
+    while(1);
+  }
+  //calibrate temperature sensor
+  while(!ccs.available());
+  float temp = ccs.calculateTemperature();
+  ccs.setTempOffset(temp - 25.0);
+}
+
+void loop() {
+  if(ccs.available()){
+    float temp = ccs.calculateTemperature();
+    if(!ccs.readData()){
+      Serial.println("CO2: "+String(ccs.geteCO2())+"ppm, TVOC: "+String(ccs.getTVOC())+"ppb   Temp:"+String(temp));
+    }
+    else{
+      Serial.println("Sensor read ERROR!");
+      ccs.readData();
+    }
+  }
+  delay(500);
+}
+
+void Sensor_ON(){
+  pinMode(A3,OUTPUT);
+  digitalWrite(A3, LOW);  
+}
+
+void Sensor_OFF(){
+  pinMode(A3,OUTPUT);
+  digitalWrite(A3, HIGH);  
+}
+
+