Page 322 - 최강 아두이노 퍼스트 참고서

http://www.allfirst.co.kr/pds/arduinoLib/7segment_4digit_ex_1.ino
#include <SevSeg.h>

//Create an instance of the object.
// 글로벌 클래스 변수입니다. (전역 클래스 변수)
SevSeg myDisplay;

//Create global variables
unsigned long timer;
int deciSecond = 0;

void setup()
{

int displayType = COMMON_CATHODE; //캐소드 모듈 지정.

//This pinout is for a regular display
int digit1 = 2; //Pin 12 on my 4 digit display
int digit2 = 3; //Pin 9 on my 4 digit display
int digit3 = 4; //Pin 8 on my 4 digit display
int digit4 = 5; //Pin 6 on my 4 digit display

//Declare what pins are connected to the segments
int segA = 6; //Pin 11 on my 4 digit display
int segB = 7; //Pin 7 on my 4 digit display
int segC = 8; //Pin 4 on my 4 digit display
int segD = 9; //Pin 2 on my 4 digit display
int segE = 10; //Pin 1 on my 4 digit display
int segF = 11; //Pin 10 on my 4 digit display
int segG = 12; //Pin 5 on my 4 digit display
int segDP= 13; //Pin 3 on my 4 digit display

int numberOfDigits = 4; //Do you have a 1, 2 or 4 digit
display?

myDisplay.Begin(displayType, numberOfDigits,
digit1, digit2, digit3, digit4,
segA, segB, segC, segD, segE,
segF, segG, segDP);

myDisplay.SetBrightness(100); //Set the display to 100%
brightness level

timer = millis();
}

void loop()
{
//Example ways of displaying a decimal number
char tempString[10]; //Used for sprintf

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