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#include "SevSeg.h"
SevSeg myDisplay;
unsigned long timer;
int deciSecond = 0;

void setup()
{
  int displayType = COMMON_CATHODE; 
  int digit1 = 2; 
  int digit2 = 3; 
  int digit3 = 4; 
  int digit4 = 5; 
  int segA = 6; 
  int segB = 7; 
  int segC = 8; 
  int segD = 9; 
  int segE = 10; 
  int segF = 11; 
  int segG = 12; 
  int segDP= 13; 

  int numberOfDigits = 4; 
  myDisplay.Begin(displayType, numberOfDigits, digit1, digit2, digit3, digit4, segA, segB, segC, segD, segE, segF, segG, segDP);  
  myDisplay.SetBrightness(100);
  timer = millis();
}

void loop()
{
  char tempString[10]; 
  sprintf(tempString, "%4d", deciSecond); 
  myDisplay.DisplayString(tempString, 0);
  if (millis() - timer >= 100)
  {
    timer = millis();
    deciSecond++;
  }
  delay(10);
}