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

// Define the DHT11 sensor and TM1637 pins
#define DHTPIN 2          // DHT11 sensor data pin connected to digital pin 2
#define DHTTYPE DHT22     // Define the type of DHT sensor (DHT11)
#define CLK 4             // TM1637 clock pin connected to digital pin 4
#define DIO 5             // TM1637 data pin connected to digital pin 5

DHT dht(DHTPIN, DHTTYPE);       // Initialize the DHT11 sensor
TM1637Display display(CLK, DIO); // Initialize the TM1637 display

void setup() {
  dht.begin();                  // Start the DHT sensor
  display.setBrightness(0x0f);  // Set the brightness of the TM1637 display
}

void loop() {
  float humidity = dht.readHumidity();       // Read humidity from DHT11
  float temperature = dht.readTemperature(); // Read temperature from DHT11

  // Check if readings are valid
  if (isnan(humidity) || isnan(temperature)) {
    display.showNumberDec(9999); // Show error if reading fails
  } else {
    // Display temperature on TM1637
    int temp = (int)temperature; // Convert temperature to int for display
    display.showNumberDec(temp); // Show temperature on the TM1637 display
  }

  delay(2000); // Wait 2 seconds before reading again
}