датчик температуры am2301

Категория: микроконтроллеры и электроника

 

 

//Libraries
#include <DHT.h>;

//Constants
#define DHTPIN 2            //what pin we're connected to
#define DHTTYPE DHT21       //DHT 21  (AM2301)
DHT dht(DHTPIN, DHTTYPE);   //Initialize DHT sensor for normal 16mhz Arduino


//Variables
float hum;  //Stores humidity value
float temp; //Stores temperature value

void setup()
{
  Serial.begin(9600);
  dht.begin();
}

void loop()
{
  //Read data and store it to variables hum and temp
  hum = dht.readHumidity();
  temp= dht.readTemperature();
  
  //Print temp and humidity values to serial monitor
  Serial.print("Humidity: ");
  Serial.print(hum);
  Serial.print("%,  Temperature: ");
  Serial.print(temp);
  Serial.println(" Celsius");
  
  delay(2000); //Delay 2 sec.
}

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