DHT22 HTU21 comp.ino

#include <Adafruit_Sensor.h>
#include <DHT.h>
#include <DHT_U.h>

#include <Wire.h>
#include "SparkFunHTU21D.h"

//Create an instance of the object
HTU21D myHumidity;

#define DHTPIN D3

#define DHTTYPE    DHT22     // DHT 22 (AM2302)

DHT_Unified dht(DHTPIN, DHTTYPE);

uint32_t delayMS;

void setup() {
  Serial.begin(9600);
  dht.begin();
  sensor_t sensor;
  dht.temperature().getSensor(&sensor);   // Set delay between sensor readings based on sensor details.
  delayMS = sensor.min_delay / 1000;
  Serial.println("HTU21D Example!");

  myHumidity.begin();
}

void loop() {
  // Delay between measurements.
  delay(delayMS);
  // Get temperature event and print its value.
  sensors_event_t event;
  dht.temperature().getEvent(&event);
  
    Serial.print(F(" DHT22:"));
  if (isnan(event.temperature)) {
    Serial.println(F("Error reading temperature!"));
  }
  else {
    Serial.print(F(" Temperature:"));
    Serial.print(event.temperature);
    Serial.print(F("C"));
  }
  // Get humidity event and print its value.
  dht.humidity().getEvent(&event);
  if (isnan(event.relative_humidity)) {
    Serial.print(F("Error reading humidity!"));
  }
  else {
    Serial.print(F(" Humidity:"));
    Serial.print(event.relative_humidity);
    Serial.print(F("%"));
  }
  
  Serial.println();
  
    Serial.print(F(" HTU21:"));
  float humd = myHumidity.readHumidity();
  float temp = myHumidity.readTemperature();

  Serial.print(" Temperature:");
  Serial.print(temp, 1);
  Serial.print("C");
  Serial.print(" Humidity:");
  Serial.print(humd, 1);
  Serial.print("%");

  Serial.println();
  delay(1000);
}