int segE = 7;
int segD = 8;
int segC = 9;
int segB = 13;
int segA = 12;
int segF = 11;
int segG = 10;

void setup() {
  pinMode(segE, OUTPUT);
  pinMode(segD, OUTPUT);
  pinMode(segC, OUTPUT);
  pinMode(segB, OUTPUT);
  pinMode(segA, OUTPUT);
 pinMode(segF, OUTPUT);
 pinMode(segG, OUTPUT);

}

void loop() {
acende0();
delay(1000);
acende1();
delay(1000);
acende2();
delay(1000);
acende3();
delay(1000);
acende4();
delay(1000);
acende5();
delay(1000);
acende6();
delay(1000);
acende7();
delay(1000);
acende8();
delay(1000);
acende9();
delay(1000);
}

void acende0()
{
   digitalWrite(segE, LOW);
   digitalWrite(segD, LOW);
   digitalWrite(segC, LOW);
   digitalWrite(segB, LOW);
   digitalWrite(segA, LOW);
   digitalWrite(segF, LOW);
   digitalWrite(segG, HIGH);
}
void acende1()
{
   digitalWrite(segE, HIGH);
   digitalWrite(segD, HIGH);
   digitalWrite(segC, LOW);
   digitalWrite(segB, LOW);
   digitalWrite(segA, HIGH);
   digitalWrite(segF, HIGH);
   digitalWrite(segG, HIGH);
}
void acende2()
{
   digitalWrite(segE, LOW);
   digitalWrite(segD, LOW);
   digitalWrite(segC, HIGH);
   digitalWrite(segB, LOW);
   digitalWrite(segA, LOW);
   digitalWrite(segF, HIGH);
   digitalWrite(segG, LOW);
}

void acende3 ()
{
   digitalWrite(segE, HIGH);
   digitalWrite(segD, LOW);
   digitalWrite(segC, LOW);
   digitalWrite(segB, LOW);
   digitalWrite(segA, LOW);
   digitalWrite(segF, HIGH);
   digitalWrite(segG, LOW);
}

void acende4()
{
   digitalWrite(segE, HIGH);
   digitalWrite(segD, HIGH);
   digitalWrite(segC, LOW);
   digitalWrite(segB, LOW);
   digitalWrite(segA, HIGH);
   digitalWrite(segF, LOW);
   digitalWrite(segG, LOW);
}

void acende5()
{
   digitalWrite(segE, HIGH);
   digitalWrite(segD, LOW);
   digitalWrite(segC, LOW);
   digitalWrite(segB, HIGH);
   digitalWrite(segA, LOW);
   digitalWrite(segF, LOW);
   digitalWrite(segG, LOW);
}

void acende6()
{
   digitalWrite(segE, LOW);
   digitalWrite(segD, LOW);
   digitalWrite(segC, LOW);
   digitalWrite(segB, HIGH);
   digitalWrite(segA, LOW);
   digitalWrite(segF, LOW);
   digitalWrite(segG, LOW);
}

void acende7()
{
   digitalWrite(segE, HIGH);
   digitalWrite(segD, HIGH);
   digitalWrite(segC, LOW);
   digitalWrite(segB, LOW);
   digitalWrite(segA, LOW);
   digitalWrite(segF, HIGH);
   digitalWrite(segG, HIGH);
}

void acende8()
{
   digitalWrite(segE, LOW);
   digitalWrite(segD, LOW);
   digitalWrite(segC, LOW);
   digitalWrite(segB, LOW);
   digitalWrite(segA, LOW);
   digitalWrite(segF, LOW);
   digitalWrite(segG, LOW);
}

void acende9()
{
   digitalWrite(segE, HIGH);
   digitalWrite(segD, LOW);
   digitalWrite(segC, LOW);
   digitalWrite(segB, LOW);
   digitalWrite(segA, LOW);
   digitalWrite(segF, LOW);
   digitalWrite(segG, LOW);
}