#include <DHT.h>

#define DHTPIN 2
#define DHTTYPE DHT11

DHT dht(DHTPIN, DHTTYPE);
int LED = 13;
int humidityThreshold = 90;

void setup() {
  Serial.begin(9600);
  pinMode(LED, OUTPUT);
  dht.begin();
  pinMode(2, INPUT_PULLUP);
  pinMode(5, OUTPUT);
}

void loop() {
  // DHT sensor code
  delay(2000);
  float humidity = dht.readHumidity();

  if (isnan(humidity)) {
    Serial.println("Failed to read from DHT sensor!");
  } else {
    Serial.print("Humidity: ");
    Serial.print(humidity);
    Serial.print("%");

    if (humidity > humidityThreshold) {
      digitalWrite(LED, HIGH);
    } else {
      blinkLED(5, 500);
    }
    Serial.println("");
  }

  // DC motor control code (ke kiri)
  if (digitalRead(2) == LOW) {
    while (digitalRead(2) == LOW) {
      analogWrite(5, 255);
      delay(3000);
      analogWrite(5, 80);
      delay(3000);
    }
    analogWrite(5, 0);  // Motor OFF when the switch is released
  } else {
    digitalWrite(LED, HIGH);  // Turn off the LED
    analogWrite(5, 0);       // Motor OFF if the switch is not pressed
  }
}

void blinkLED(int count, int delayTime) {
  for (int i = 0; i < count; i++) {
    digitalWrite(LED, HIGH);
    delay(delayTime);
    digitalWrite(LED, LOW);
    delay(delayTime);
  }
}