#include <DHT.h>
#include <Servo.h>

#define DHTPIN 2     // what digital pin we're connected to for DHT22
#define DHTTYPE DHT22   // DHT 22 (AM2302)
DHT dht(DHTPIN, DHTTYPE);

Servo myServo;  // create servo object to control a servo

void setup() {
  myServo.attach(9);  // attaches the servo on pin 9 to the servo object
  dht.begin();
  Serial.begin(9600);
}

void loop() {
  // Wait a few seconds between measurements.
  delay(2000);
  
  // Reading humidity
  float h = dht.readHumidity();
  
  // Check if any reads failed and exit early (to try again).
  if (isnan(h)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  // Map the humidity value to a range from 0 to 180
  int angle = map(h, 0, 100, 0, 180);
  angle = constrain(angle, 0, 180); // Make sure the angle is within the servo's limit
  
  myServo.write(angle); // Move the servo to the angle based on humidity
  
  // Print the humidity and servo angle to the Serial Monitor
  Serial.print("Humidity: ");
  Serial.print(h);
  Serial.print("%\t");
  Serial.print("Servo Angle: ");
  Serial.println(angle);
}