HW10_04: Arduino LED Show

// source code

int delayTime1 = 100;

int delayTime2 = 200;

int delayTime3 = 300;

void setup() {

// initialize the digital pin as an output.

// Pin 13 has an LED connected on most Arduino boards:

for(int i=13;i>=0;i--)

pinMode(i, OUTPUT);

}

void loop() {

// Port7 to 13 - turn on and turn off

for(int i=13;i>=7;i--)

{

digitalWrite(i, HIGH); // set the LED on

}

delay(delayTime1);

for(int i=13;i>=7;i--)

{

digitalWrite(i, LOW); // set the LED on

}

delay(delayTime3);

// Port0 to 6 - turn on and turn off

for(int i=6;i>=0;i--)

{

digitalWrite(i, HIGH); // set the LED on

}

delay(delayTime1);

for(int i=6;i>=0;i--)

{

digitalWrite(i, LOW); // set the LED on

}

delay(delayTime3);

// Port7 to 13 - decrease and increase

for(int i=7;i<=13;i++)

{

digitalWrite(i, HIGH); // set the LED on

delay(delayTime1); // wait for a second

digitalWrite(i, LOW); // set the LED off

delay(delayTime1);

}

delay(delayTime3);

for(int i=13;i>=7;i--)

{

digitalWrite(i, HIGH); // set the LED on

delay(delayTime1); // wait for a second

digitalWrite(i, LOW); // set the LED off

delay(delayTime1);

}

// Port0 to 6 - decrease and increase

for(int i=0;i<=6;i++)

{

digitalWrite(i, HIGH); // set the LED on

delay(delayTime1); // wait for a second

digitalWrite(i, LOW); // set the LED off

delay(delayTime1);

}

delay(delayTime3);

for(int i=6;i>=0;i--)

{

digitalWrite(i, HIGH); // set the LED on

delay(delayTime1); // wait for a second

digitalWrite(i, LOW); // set the LED off

delay(delayTime1);

}

delay(delayTime3);

//

for(int i=13;i>=0;i--)

{

digitalWrite(i, HIGH); // set the LED on

delay(delayTime1);

}

delay(delayTime3);

for(int i=13;i>=0;i--)

{

digitalWrite(i, LOW); // set the LED on

delay(delayTime1);

}

delay(delayTime3);

//

for(int i=0;i<=13;i++)

{

digitalWrite(i, HIGH); // set the LED on

delay(delayTime1);

}

delay(delayTime2);

for(int i=0;i<=13;i++)

{

digitalWrite(i, LOW); // set the LED on

delay(delayTime1);

}

delay(delayTime1);

}

http://www.youtube.com/watch?v=aRBBkL2afes