#define lampuMerah 13
#define lampuKuning 12
#define lampuHijau 11

#define segA 8
#define segB 9
#define segC 3
#define segD 4
#define segE 5
#define segF 7
#define segG 6

void setup() {
  pinMode(lampuMerah, OUTPUT);
  pinMode(lampuKuning, OUTPUT);
  pinMode(lampuHijau, OUTPUT);

  pinMode(segA, OUTPUT);
  pinMode(segB, OUTPUT);
  pinMode(segC, OUTPUT);
  pinMode(segD, OUTPUT);
  pinMode(segE, OUTPUT);
  pinMode(segF, OUTPUT);
  pinMode(segG, OUTPUT);
}

void num3() {
  digitalWrite(segA, LOW);
  digitalWrite(segB, LOW);
  digitalWrite(segC, LOW);
  digitalWrite(segD, LOW);
  digitalWrite(segG, LOW);
  digitalWrite(segE, HIGH);
  digitalWrite(segF, HIGH);
}

void num2() {
  digitalWrite(segA, LOW);
  digitalWrite(segB, LOW);
  digitalWrite(segC, HIGH);
  digitalWrite(segD, LOW);
  digitalWrite(segE, LOW);
  digitalWrite(segF, HIGH);
  digitalWrite(segG, LOW);
}

void num1() {
  digitalWrite(segA, HIGH);
  digitalWrite(segB, LOW);
  digitalWrite(segC, LOW);
  digitalWrite(segD, HIGH);
  digitalWrite(segE, HIGH);
  digitalWrite(segF, HIGH);
  digitalWrite(segG, HIGH);
}

void loop() {
  num3();
  digitalWrite(lampuHijau, LOW);
  digitalWrite(lampuMerah, HIGH);
  delay(1000);

  num2();
  digitalWrite(lampuMerah, LOW);
  digitalWrite(lampuKuning, HIGH);
  delay(1000);

  num1();
  digitalWrite(lampuKuning, LOW);
  digitalWrite(lampuHijau, HIGH);
  delay(1000);



}