#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <dht.h>

// Define DHT11 data pin
#define dht_dpin 7
dht DHT;

// OLED display size
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64

// Create OLED display object (using default I2C)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

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

  // Initialize OLED
  if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("SSD1306 allocation failed"));
    for (;;);  // Infinite loop on failure
  }

  display.clearDisplay();
  display.setTextColor(WHITE);
  display.setTextSize(1);
  display.setCursor(0, 0);
  display.print("Initializing...");
  display.display();
  delay(2000);
}

void loop() {
  DHT.read11(dht_dpin);  // Read from DHT11 sensor

  display.clearDisplay();

  // Display Temperature
  display.setTextSize(1);
  display.setCursor(0, 0);
  display.print("Temp: ");
  display.print(DHT.temperature);
  display.println(" C");

  // Display Humidity
  display.setCursor(0, 20);
  display.print("Humidity: ");
  display.print(DHT.humidity);
  display.println(" %");

  display.display();

  delay(2000);  // Wait before next reading
}