// declard variable
int LED_pin;
// setup hardware
void setup() {
// initialize digital pin LED_BUILTIN as an output.
pinMode(2, OUTPUT);
pinMode(3, OUTPUT);
pinMode(4, OUTPUT);
pinMode(5, OUTPUT);
pinMode(6, OUTPUT);
pinMode(7, OUTPUT);
pinMode(8, OUTPUT);
pinMode(9, OUTPUT);
pinMode(10, OUTPUT);
pinMode(11, OUTPUT);
}
// the loop function runs over and over again forever
void loop() {
//All
digitalWrite(11, HIGH);
digitalWrite(10, HIGH);
digitalWrite(9, HIGH);
digitalWrite(8, HIGH);
digitalWrite(7, HIGH);
digitalWrite(6, HIGH);
digitalWrite(5, HIGH);
digitalWrite(4, HIGH);
digitalWrite(3, HIGH);
digitalWrite(2, HIGH);
delay(200);
digitalWrite(11, LOW);
digitalWrite(10, LOW);
digitalWrite(9, LOW);
digitalWrite(8, LOW);
digitalWrite(7, LOW);
digitalWrite(6, LOW);
digitalWrite(5, LOW);
digitalWrite(4, LOW);
digitalWrite(3, LOW);
digitalWrite(2, LOW);
digitalWrite(11, HIGH);
delay(200);
digitalWrite(10, HIGH);
digitalWrite(9, HIGH);
digitalWrite(8, HIGH);
digitalWrite(7, HIGH);
digitalWrite(6, HIGH);
digitalWrite(5, HIGH);
digitalWrite(4, HIGH);
digitalWrite(3, HIGH);
digitalWrite(2, HIGH);
delay(200);
digitalWrite(11, LOW);
digitalWrite(10, LOW);
digitalWrite(9, LOW);
digitalWrite(8, LOW);
digitalWrite(7, LOW);
digitalWrite(6, LOW);
digitalWrite(5, LOW);
digitalWrite(4, LOW);
digitalWrite(3, LOW);
digitalWrite(2, LOW);
delay(500);
// R to L
digitalWrite(2, HIGH);
delay(100);
digitalWrite(2, LOW);
digitalWrite(3, HIGH);
delay(100);
digitalWrite(3, LOW);
digitalWrite(4, HIGH);
delay(100);
digitalWrite(4, LOW);
digitalWrite(5, HIGH);
delay(100);
digitalWrite(5, LOW);
digitalWrite(6, HIGH);
delay(100);
digitalWrite(6, LOW);
digitalWrite(7, HIGH);
delay(100);
digitalWrite(7, LOW);
digitalWrite(8, HIGH);
delay(100);
digitalWrite(8, LOW);
digitalWrite(9, HIGH);
delay(100);
digitalWrite(9, LOW);
digitalWrite(10, HIGH);
delay(100);
digitalWrite(10, LOW);
digitalWrite(11, HIGH);
delay(100);
digitalWrite(11, LOW);
delay(1000);
// L to R
digitalWrite(11, HIGH);
delay(100);
digitalWrite(11, LOW);
digitalWrite(10, HIGH);
delay(100);
digitalWrite(10, LOW);
digitalWrite(9, HIGH);
delay(100);
digitalWrite(9, LOW);
digitalWrite(8, HIGH);
delay(100);
digitalWrite(8, LOW);
digitalWrite(7, HIGH);
delay(100);
digitalWrite(7, LOW);
digitalWrite(6, HIGH);
delay(100);
digitalWrite(6, LOW);
digitalWrite(5, HIGH);
delay(100);
digitalWrite(5, LOW);
digitalWrite(4, HIGH);
delay(100);
digitalWrite(4, LOW);
digitalWrite(3, HIGH);
delay(100);
digitalWrite(3, LOW);
digitalWrite(2, HIGH);
delay(100);
digitalWrite(2, LOW);
delay(1000);
// Outer to Middle
digitalWrite(11, HIGH);
digitalWrite(2, HIGH);
delay(100);
digitalWrite(11, LOW);
digitalWrite(2, LOW);
digitalWrite(10, HIGH);
digitalWrite(3, HIGH);
delay(100);
digitalWrite(10, LOW);
digitalWrite(3, LOW);
digitalWrite(9, HIGH);
digitalWrite(4, HIGH);
delay(100);
digitalWrite(9, LOW);
digitalWrite(4, LOW);
digitalWrite(8, HIGH);
digitalWrite(5, HIGH);
delay(100);
digitalWrite(8, LOW);
digitalWrite(5, LOW);
digitalWrite(7, HIGH);
digitalWrite(6, HIGH);
delay(100);
digitalWrite(7, LOW);
digitalWrite(6, LOW);
delay(1000);
// Middle to Outer
digitalWrite(7, HIGH);
digitalWrite(6, HIGH);
delay(100);
digitalWrite(7, LOW);
digitalWrite(6, LOW);
digitalWrite(8, HIGH);
digitalWrite(5, HIGH);
delay(100);
digitalWrite(8, LOW);
digitalWrite(5, LOW);
digitalWrite(9, HIGH);
digitalWrite(4, HIGH);
delay(100);
digitalWrite(9, LOW);
digitalWrite(4, LOW);
digitalWrite(10, HIGH);
digitalWrite(3, HIGH);
delay(100);
digitalWrite(10, LOW);
digitalWrite(3, LOW);
digitalWrite(11, HIGH);
digitalWrite(2, HIGH);
delay(100);
digitalWrite(11, LOW);
digitalWrite(2, LOW);
delay(1000);
// every other
}