#include <DHT.h>
#include <ESP32Servo.h>
#include <Adafruit_NeoPixel.h>

#define DHTPIN 12
#define DHTTYPE DHT22

#define SERVO_PIN 2
#define LED_PIN 26

#define PIXEL_PIN 4      // Change if your NeoPixel DIN is on another GPIO
#define NUMPIXELS 16

DHT dht(DHTPIN, DHTTYPE);
Servo servo;
Adafruit_NeoPixel ring(NUMPIXELS, PIXEL_PIN, NEO_GRB + NEO_KHZ800);

void setup() {
  Serial.begin(115200);

  pinMode(LED_PIN, OUTPUT);

  dht.begin();

  servo.attach(SERVO_PIN);
  servo.write(0);

  ring.begin();
  ring.show();
}

void loop() {

  float t = dht.readTemperature();
  float h = dht.readHumidity();

  Serial.print("Temp: ");
  Serial.print(t);
  Serial.print(" C  Humidity: ");
  Serial.println(h);

  if (t > 30) {

    digitalWrite(LED_PIN, HIGH);

    servo.write(90);

    for (int i = 0; i < NUMPIXELS; i++) {
      ring.setPixelColor(i, ring.Color(255, 0, 0));
    }
    ring.show();

  } else {

    digitalWrite(LED_PIN, LOW);

    servo.write(0);

    ring.clear();
    ring.show();
  }

  delay(2000);
}