First Program

int redLEDPin=9; //Declare redLEDPin an int, and set to pin 9

int yellowLEDPin=10; //Declare yellowLEDPin an int, and set to pin 10

int redOnTime=250; //Declare redOnTime an int, and set to 250 mseconds

int redOffTime=250; //Declare redOffTime an int, and set to 250

int yellowOnTime=250; //Declare yellowOnTime an int, and set to 250

int yellowOffTime=250; //Declare yellowOffTime an int, and set to 250

void setup() {

  pinMode(redLEDPin, OUTPUT);  // Tell Arduino that redLEDPin is an output pin

  pinMode(yellowLEDPin, OUTPUT);  //Tell Arduino that yellowLEDPin is an output pin

}

void loop() {

digitalWrite(redLEDPin,HIGH); //Turn red LED on

delay(redOnTime);             //Leave on for redOnTime

digitalWrite(redLEDPin,LOW);  //Turn red LED off

delay(redOffTime);            //Leave off for redOffTime

digitalWrite(redLEDPin,HIGH); //Turn red LED on

delay(redOnTime);             //Leave on for redOnTime

digitalWrite(redLEDPin,LOW);  //Turn red LED off

delay(redOffTime);            //Leave off for redOffTime

digitalWrite(redLEDPin,HIGH); //Turn red LED on

delay(redOnTime);             //Leave on for redOnTime

digitalWrite(redLEDPin,LOW);  //Turn red LED off

delay(redOffTime);            //Leave off for redOffTime

digitalWrite(redLEDPin,HIGH); //Turn red LED on

delay(redOnTime);             //Leave on for redOnTime

digitalWrite(redLEDPin,LOW);  //Turn red LED off

delay(redOffTime);            //Leave off for redOffTime

digitalWrite(redLEDPin,HIGH); //Turn red LED on

delay(redOnTime);             //Leave on for redOnTime

digitalWrite(redLEDPin,LOW);  //Turn red LED off

delay(redOffTime);            //Leave off for redOffTime

digitalWrite(redLEDPin,HIGH); //Turn red LED on

delay(redOnTime);             //Leave on for redOnTime

digitalWrite(redLEDPin,LOW);  //Turn red LED off

delay(redOffTime);            //Leave off for redOffTime

digitalWrite(redLEDPin,HIGH); //Turn red LED on

delay(redOnTime);             //Leave on for redOnTime

digitalWrite(redLEDPin,LOW);  //Turn red LED off

delay(redOffTime);            //Leave off for redOffTime

digitalWrite(redLEDPin,HIGH); //Turn red LED on

delay(redOnTime);             //Leave on for redOnTime

digitalWrite(redLEDPin,LOW);  //Turn red LED off

delay(redOffTime);            //Leave off for redOffTime

digitalWrite(redLEDPin,HIGH); //Turn red LED on

delay(redOnTime);             //Leave on for redOnTime

digitalWrite(redLEDPin,LOW);  //Turn red LED off

delay(redOffTime);            //Leave off for redOffTime

digitalWrite(redLEDPin,HIGH); //Turn red LED on

delay(redOnTime);             //Leave on for redOnTime

digitalWrite(redLEDPin,LOW);  //Turn red LED off

delay(redOffTime);            //Leave off for redOffTime

digitalWrite(yellowLEDPin,HIGH); //Turn yellow LED on

delay(yellowOnTime);             //Leave on for yellowOnTime

digitalWrite(yellowLEDPin,LOW);  //Turn yellow LED off

delay(yellowOffTime);            //Leave off for yellowOffTime

}

for (int j=1; j<=10; j=j+1) {

//do something cool in this loop

}

for (int j=1; j<=10; j=j+1) {     // Start our for loop

    digitalWrite(redLEDPin,HIGH); //Turn red LED on

    delay(redOnTime);             //Leave on for redOnTime

    digitalWrite(redLEDPin,LOW);  //Turn red LED off

    delay(redOffTime);            //Leave off for redOffTime

}

for (int j=1; j<=10; j=j+1) {     // Start our for loop

    digitalWrite(redLEDPin,HIGH); //Turn red LED on

    delay(redOnTime);             //Leave on for redOnTime

    digitalWrite(redLEDPin,LOW);  //Turn red LED off

    delay(redOffTime);            //Leave off for redOffTime

}

digitalWrite(yellowLEDPin,HIGH); //Turn yellow LED on

delay(yellowOnTime);             //Leave on for yellowOnTime

digitalWrite(yellowLEDPin,LOW);  //Turn yellow LED off

delay(yellowOffTime);            //Leave off for yellowOffTime