#include <TM1637Display.h>
#include <DHT.h>

// Pin definitions for TM1637
#define CLK 2
#define DIO 3

// Pin definitions for DHT22
#define DHTPIN 4
#define DHTTYPE DHT22

// Initialize TM1637 and DHT
TM1637Display display(CLK, DIO);
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  // Initialize serial communication
  Serial.begin(9600);
  
  // Initialize DHT sensor
  dht.begin();
  
  // Initialize TM1637 display
  display.setBrightness(7); // Brightness: 0 (dim) to 7 (bright)
}

void loop() {
  // Read temperature and humidity
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();

  // Check if readings failed
  if (isnan(temperature) || isnan(humidity)) {
    Serial.println("Failed to read from DHT sensor!");
    display.showNumberDec(8888, false); // Error code on display
    delay(2000);
    return;
  }

  // Display temperature (e.g., 25.6°C as 256)
  int tempDisplay = (int)(temperature * 10); // Convert to integer (e.g., 25.6 -> 256)
  display.showNumberDec(tempDisplay, false, 4, 0);
  
  delay(2000); // Display temperature for 2 seconds

  // Display humidity (e.g., 55% as 550)
  int humDisplay = (int)(humidity * 10); // Convert to integer (e.g., 55.5 -> 555)
  display.showNumberDec(humDisplay, false, 4, 0);
  
  delay(2000); // Display humidity for 2 seconds
}