Temperature Meter with Sensor Infrared MLX90614 -B24

#include <Wire.h>
#include <Adafruit_MLX90614.h>
#include <TM1637Display.h>
#define CLK 2
#define DIO 3
Adafruit_MLX90614 mlx = Adafruit_MLX90614();
TM1637Display display = TM1637Display(CLK, DIO);
const uint8_t celcius[] = 
{                                 
  SEG_A | SEG_E | SEG_F | SEG_D
};
#define f mlx.readObjectTempF()
#define c mlx.readObjectTempC()

void setup() {
  Serial.begin(9600);
  mlx.begin();
  display.clear();
  delay(2000);
}

void loop() {
  display.setBrightness(7);
  Serial.println("Temperature from MLX90614:");
  Serial.print("Ambient:      ");
  Serial.print(mlx.readAmbientTempF());
  Serial.println(" °F");
  Serial.print("Contactless: ");
  Serial.print(f);
  Serial.println(" °F");
  Serial.println();
  Serial.print("Ambient:      ");
  Serial.print(mlx.readAmbientTempC());
  Serial.println(" °C");
  Serial.print("Contactless: ");
  Serial.print(c);
  Serial.println(" °C");
  Serial.println();
  display.showNumberDec(c, false, 3, 0);
  display.setSegments(celcius, 1, 3);
  delay(2000);
}