#include <SevSeg.h>
SevSeg sevseg; //Instantiate a seven segment controller object

// Define the pins that will be used. 
// These are global constant variables. 
#define LED_PIN A5
const int BUTTON_PIN = 1; 
byte SEGMENT_PIN[8] = {2, 3, 4, 5, 6, 7, 8, 9};
// These correspond to A, B, C, D, E, F, G, DP

void setup(){
  pinMode(BUTTON_PIN, INPUT_PULLUP); 

  byte numDigits = 1;
  byte digitPins[] = {};
  bool resistorsOnSegments = true;

  byte hardwareConfig = COMMON_CATHODE; 
  sevseg.begin(hardwareConfig, numDigits, digitPins, SEGMENT_PIN, resistorsOnSegments);
  sevseg.setBrightness(90);
} // void setup()

void loop() {
  // First, wait until the button is pushed.
  // do {} while (digitalRead(BUTTON_PIN) == HIGH);

  // Now, count down 5 seconds.
  /*
  for (int i = 5; i > 0; --i)
  {
    */
    sevseg.setNumber(4);
    sevseg.refreshDisplay(); 
  // }
  // unsigned long int start_countdown = millis(); 

    
} // void loop()