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/*
For Loop Iteration

Demonstrates the use of a for() loop.
Lights multiple LEDs in sequence, then in reverse.

The circuit:
* LEDs from pins 2 through 7 to ground

created 2006
by David A. Mellis
modified 30 Aug 2011
by Tom Igoe

This example code is in the public domain.

http://www.arduino.cc/en/Tutorial/ForLoop
*/
int pinCount = 4; // the number of pins (i.e. the length of the array)
int timer = 100; // The higher the number, the slower the timing.
int ledtimer[] = {
3000, 1000,3000,1000
};
int ledPins[] = {
2, 3, 5,6
};
void setup() {
// use a for loop to initialize each pin as an output:
for (int thisPin = 0; thisPin < pinCount; thisPin++) {
pinMode(ledPins[thisPin], OUTPUT);
}
pinMode(4, OUTPUT);
pinMode(7, OUTPUT);
}

void loop() {
// loop from the lowest pin to the highest:
for (int thisPin = 0; thisPin < pinCount; thisPin++) {

if (thisPin==0 || thisPin==1){
digitalWrite(7, HIGH);
digitalWrite(4, LOW);
} else {
digitalWrite(7, LOW);
digitalWrite(4, HIGH);
}


/*
if (thisPin<2){
digitalWrite(7, HIGH);
digitalWrite(4, LOW);
} else {
digitalWrite(7, LOW);
digitalWrite(4, HIGH);
}
*/
timer=ledtimer[thisPin];
// turn the pin on:
digitalWrite(ledPins[thisPin], HIGH);
delay(timer);
// turn the pin off:
digitalWrite(ledPins[thisPin], LOW);

}

}

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