allnewstep.ino

#include <Wire.h>
#include "Adafruit_CCS811.h"
#include "Adafruit_HDC1000.h"

Adafruit_CCS811 ccs;
Adafruit_HDC1000 hdc;

void setup() {
  Serial.begin(9600);
  Serial.println("CCS811 HDC1080 Example");

  if(!ccs.begin()){
    Serial.println("Failed to start CCS811 sensor! Please check your wiring.");
    while(1);
  }

  if(!hdc.begin()){
    Serial.println("Failed to start HDC1080 sensor! Please check your wiring.");
    while(1);
  }
}

void loop() {
  if(ccs.available()){
    if(!ccs.readData()){
      Serial.print("CO2: ");
      Serial.print(ccs.geteCO2());
      Serial.print(" ppm, TVOC: ");
      Serial.println(ccs.getTVOC());
    }
  }

  if(hdc.begin()){
    float temp = hdc.readTemperature();
    float humidity = hdc.readHumidity();

    Serial.print("Temperature: ");
    Serial.print(temp);
    Serial.print("°C, Humidity: ");
    Serial.print(humidity);
    Serial.println("%");
  }

  delay(2000);
}