// Include the libraries
#include <TM1637Display.h>
#include <Adafruit_Sensor.h>
#include <DHT.h>

// Define the connections pins
#define CLK 3
#define DIO 4
#define DHTPIN 5

// Create variable
int temperature_celsius;
int temperature_fahrenheit;

// Create °C symbol
const uint8_t celsius[] = {
	SEG_A | SEG_B | SEG_F | SEG_G,  // Circle
	SEG_A | SEG_D | SEG_E | SEG_F   // C
};

// Create °F symbol
const uint8_t fahrenheit[] = {
	SEG_A | SEG_B | SEG_F | SEG_G,  // Circle
	SEG_A | SEG_E | SEG_F | SEG_G   // F
};

// Uncomment whatever type you're using!
//#define DHTTYPE DHT11   // DHT 11 
#define DHTTYPE DHT22   // DHT 22  (AM2302)

// Create display object of type TM1637Display
TM1637Display display = TM1637Display(CLK, DIO);

// Create dht object of type DHT:
DHT dht = DHT(DHTPIN, DHTTYPE);

void setup() {
	// Set the display brightness (0-7)
	display.setBrightness(5);
	
	// Clear the display
	display.clear();
	
	// Setup sensor
	dht.begin();
}

void loop() {
	// Read the temperature as Celsius and Fahrenheit
	temperature_celsius = dht.readTemperature();
	temperature_fahrenheit = dht.readTemperature(true);

	// Display the temperature in celsius format
	display.showNumberDec(temperature_celsius, false, 2, 0);
	display.setSegments(celsius, 2, 2);
	delay(1000);

	// Display the temperature in fahrenheit format
	display.showNumberDec(temperature_fahrenheit, false, 2, 0);
	display.setSegments(fahrenheit, 2, 2);
	delay(1000);
}
Arduino Project – Creating a clock w