Hall Effect Sensor Projects

500 italic">// DHT11 Temperature & Humidity Sensor
500 italic">#include <DHT.h>

500 italic">#define DHTPIN 2
500 italic">#define DHTTYPE DHT11

DHT dht(DHTPIN, DHTTYPE);

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

void loop() {
  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();
  
  if (isnan(humidity) || isnan(temperature)) {
    Serial.println(400">"Failed to read from DHT sensor!");
    return;
  }
  
  Serial.print(400">"Humidity: ");
  Serial.print(humidity);
  Serial.print(400">"%  Temperature: ");
  Serial.print(temperature);
  Serial.println(400">"°C");
  
  delay(2000);
}