//Created BY mayur Patel 
//ENGR 103 Arduino HW#2


int LED1=10;
int LED2=11;
int LED3=12; // replace 'pin number' with a variable

void setup() {
// initialize digital pin LED1, LED2, and LED3, as an output.
  pinMode(LED1, OUTPUT);   //green light
  pinMode(LED2, OUTPUT);    //Red light   
  pinMode(LED3, OUTPUT);}   //yellow light 

void loop() {
  digitalWrite(LED1, HIGH);     //on
  delay(1000);    //Delay by 1 second 
 digitalWrite(LED1, LOW);   //off
   delay(1000);
  digitalWrite(LED2, HIGH);   //om
  delay(2000);    // delay by two seconds 
 digitalWrite(LED2, LOW);   //off
  delay(2000);
  digitalWrite(LED3, HIGH);    //ON
   delay(500);      // delay by half a second 
 digitalWrite(LED3, LOW);   //off
   delay(500);    
}