#include "DHT.h"
#define DHT1_PIN 2
#define DHT2_PIN 3
#define DHTTYPE DHT22 // DHT 22 (AM2302), AM2321
DHT dht1(DHT1_PIN, DHTTYPE);
DHT dht2(DHT2_PIN, DHTTYPE);
void setup() {
Serial.begin(115200);
Serial.println(F("DHT22 example!"));
dht1.begin();
dht2.begin();
}
void loop() {
float temperature_1 = dht1.readTemperature();
float humidity_1 = dht1.readHumidity();
float temperature_2 = dht2.readTemperature();
float humidity_2 = dht2.readHumidity();
// Check if any reads failed and exit early (to try again).
if (isnan(temperature_1) || isnan(humidity_1) || isnan(temperature_2) || isnan(humidity_2)) {
Serial.println(F("Failed to read from DHT sensor!"));
return;
}
float average = (temperature_1 + temperature_2)/2;
Serial.print(temperature_1);
Serial.println(F("°C "));
Serial.print(temperature_2);
Serial.println(F("°C "));
Serial.println("Average = ");
Serial.print(average);
// Wait a few seconds between measurements.
delay(2000);
}