ทดสอบการวัดค่าอุณหภูมิและความชื้นด้วยตัวตรวจวัด DHT11

#include <DHT.h>
#define DHTPIN D4 // Digital pin connected to DHT11 GPIO2 (D4)
#define DHTTYPE DHT11 // DHT 11
DHT dht(DHTPIN, DHTTYPE); // Initialize DHT sensor
void setup()
{
Serial.begin(115200); // Sets the data rate in bits per second (baud) for serial data transmission.
dht.begin();
}
void loop()
{
 float h = dht.readHumidity(); // Read humidity
 float t = dht.readTemperature(); // Read temperature as Celsius (the default)
 float f = dht.readTemperature(true); // Read temperature as Fahrenheit (isFahrenheit = true)
 if (isnan(h) || isnan(t) || isnan(f)) { // Check if any reads failed and exit early (to try again).
 Serial.println("Failed to read from DHT sensor!");
 return;
 }
 float hif = dht.computeHeatIndex(f, h); // Compute heat index in Fahrenheit (the default)
 float hic = dht.computeHeatIndex(t, h, false); // Compute heat index in Celsius (isFahreheit = false)
 Serial.print("Humidity: ");
 Serial.print(h);
 Serial.print(" %\t");
 Serial.print("Temperature: ");
 Serial.print(t);
 Serial.println(" *C ");
 /*Serial.print(f);
 Serial.print(" *F\t");
 Serial.print("Heat index: ");
 Serial.print(hic);
 Serial.print(" *C ");
 Serial.print(hif);
 Serial.println(" *F");*/
}