LED_1-9.ino

void setup()
{
pinMode(1,OUTPUT);
pinMode(2,OUTPUT);
pinMode(3,OUTPUT);
pinMode(4,OUTPUT);
pinMode(5,OUTPUT);
pinMode(6,OUTPUT);
pinMode(7,OUTPUT);
}
void loop()
{
digitalWrite(2,HIGH);
digitalWrite(3,HIGH);
delay(2000);
digitalWrite(1,HIGH);
digitalWrite(3,LOW);
digitalWrite(7,HIGH);
digitalWrite(5,HIGH);
digitalWrite(4,HIGH);
delay(2000);
digitalWrite(3,HIGH);
digitalWrite(5,LOW);
delay(2000);
digitalWrite(6,HIGH);
digitalWrite(4,LOW);
digitalWrite(1,LOW);
delay(2000);
digitalWrite(1,HIGH);
digitalWrite(2,LOW);
digitalWrite(4,HIGH);
delay(2000);
digitalWrite(5,HIGH);
delay(2000);
digitalWrite(2,HIGH);
digitalWrite(6,LOW);
digitalWrite(4,LOW);
digitalWrite(7,LOW);
digitalWrite(5,LOW);
delay(2000);
digitalWrite(4,HIGH);
digitalWrite(5,HIGH);
digitalWrite(6,HIGH);
digitalWrite(7,HIGH);
delay(2000);
digitalWrite(5,LOW);
delay(2000);
digitalWrite(5,HIGH);
digitalWrite(7,LOW);
delay(2000);
}