void setup() {
pinMode(PA0,OUTPUT);
pinMode(PA1,OUTPUT);
pinMode(PA2,OUTPUT);
pinMode(PA3,OUTPUT);
pinMode(PA4,OUTPUT);
pinMode(PA5,OUTPUT);
pinMode(PA6,OUTPUT);
pinMode(PA7,OUTPUT);

}

// -------------------- LOOP --------------------
void loop() {
digitalWrite(PA0,LOW);
digitalWrite(PA1,LOW);
digitalWrite(PA2,LOW);
digitalWrite(PA3,LOW);
digitalWrite(PA4,LOW);
digitalWrite(PA5,LOW);
digitalWrite(PA6,HIGH);
digitalWrite(PA7,LOW);
delay(1000);
digitalWrite(PA0,HIGH);
digitalWrite(PA1,LOW);
digitalWrite(PA2,LOW);
digitalWrite(PA3,HIGH);
digitalWrite(PA4,HIGH);
digitalWrite(PA5,HIGH);
digitalWrite(PA6,HIGH);
digitalWrite(PA7,HIGH);
delay(1000);
digitalWrite(PA0,LOW);
digitalWrite(PA1,LOW);
digitalWrite(PA2,HIGH);
digitalWrite(PA3,LOW);
digitalWrite(PA4,LOW);
digitalWrite(PA5,HIGH);
digitalWrite(PA6,LOW);
digitalWrite(PA7,HIGH);
delay(1000);
digitalWrite(PA0,LOW);
digitalWrite(PA1,LOW);
digitalWrite(PA2,LOW);
digitalWrite(PA3,LOW);
digitalWrite(PA4,HIGH);
digitalWrite(PA5,HIGH);
digitalWrite(PA6,LOW);
digitalWrite(PA7,HIGH);
delay(1000);
digitalWrite(PA0,HIGH);
digitalWrite(PA1,LOW);
digitalWrite(PA2,LOW);
digitalWrite(PA3,HIGH);
digitalWrite(PA4,HIGH);
digitalWrite(PA5,LOW);
digitalWrite(PA6,LOW);
digitalWrite(PA7,HIGH);
delay(1000);
digitalWrite(PA0,LOW);
digitalWrite(PA1,HIGH);
digitalWrite(PA2,LOW);
digitalWrite(PA3,LOW);
digitalWrite(PA4,HIGH);
digitalWrite(PA5,LOW);
digitalWrite(PA6,LOW);
digitalWrite(PA7,HIGH);
delay(1000);
digitalWrite(PA0,LOW);
digitalWrite(PA1,HIGH);
digitalWrite(PA2,LOW);
digitalWrite(PA3,LOW);
digitalWrite(PA4,LOW);
digitalWrite(PA5,LOW);
digitalWrite(PA6,LOW);
digitalWrite(PA7,HIGH);
delay(1000);
digitalWrite(PA0,LOW);
digitalWrite(PA1,LOW);
digitalWrite(PA2,LOW);
digitalWrite(PA3,HIGH);
digitalWrite(PA4,HIGH);
digitalWrite(PA5,HIGH);
digitalWrite(PA6,HIGH);
digitalWrite(PA7,HIGH);
delay(1000);
digitalWrite(PA0,LOW);
digitalWrite(PA1,LOW);
digitalWrite(PA2,LOW);
digitalWrite(PA3,LOW);
digitalWrite(PA4,LOW);
digitalWrite(PA5,LOW);
digitalWrite(PA6,LOW);
digitalWrite(PA7,HIGH);
delay(1000);
digitalWrite(PA0,LOW);
digitalWrite(PA1,LOW);
digitalWrite(PA2,LOW);
digitalWrite(PA3,LOW);
digitalWrite(PA4,HIGH);
digitalWrite(PA5,LOW);
digitalWrite(PA6,LOW);
digitalWrite(PA7,HIGH);
delay(1000);
}