// Jaydon Johnson - Code to turn on and off 9 different LED's.  Print output to serial port or LCD screen.  
// LCD printing will be only be done if LCD and coding is available then change serial printing to LCD printing.

int led1 = 13; //Assign Pin 13 on Arduino a name of led1
int led2 = 12; //Assign Pin 12 on Arduino a name of led2
int led3 = 11; //Assign Pin 11 on Arduino a name of led3
int led4 = 10; //Assign Pin 10 on Arduino a name of led3

void setup() {
 
  Serial.begin(9600);
  pinMode(led1, OUTPUT); //Define pin led1 as output
  pinMode(led2, OUTPUT); //Define pin led2 as output
  pinMode(led3, OUTPUT); //Define pin led3 as output
  pinMode(led4, OUTPUT); //Define pin led4 as output

}

void loop() {

  digitalWrite(led1, HIGH);  //Turn led1 on
  delay(500); 
  digitalWrite(led1, LOW); //Turn led1 off
  delay(100); 

  digitalWrite(led2, HIGH);  //Turn led2 on
  delay(500); 
  digitalWrite(led2, LOW); //Turn led2 off
  delay(100); 

  digitalWrite(led3, HIGH);  //Turn led3 on
  delay(500); 
  digitalWrite(led3, LOW); //Turn led3 off
  delay(100); 

  digitalWrite(led4, HIGH);  //Turn led4 on
  delay(500); 
  digitalWrite(led4, LOW); //Turn led3 off
  delay(100); 

  digitalWrite(led3, HIGH);  //Turn led3 on
  delay(500); 
  digitalWrite(led3, LOW); //Turn led3 off
  delay(100); 

  digitalWrite(led2, HIGH);  //Turn led2 on
  delay(500); 
  digitalWrite(led2, LOW); //Turn led2 off
  delay(100);

  digitalWrite(led1, HIGH);  //Turn led1 on
  digitalWrite(led4, HIGH);  //Turn led4 on
  delay(200); 

  digitalWrite(led1, LOW); //Turn led1 off
  digitalWrite(led4, LOW); //Turn led4 off
  delay(50); 

  digitalWrite(led2, HIGH);  //Turn led2 on
  digitalWrite(led3, HIGH);  //Turn led3 on
  delay(200);
  digitalWrite(led2, LOW); //Turn led2 off
  digitalWrite(led3, LOW); //Turn led3 off
  delay(50);
}