Visual_Timer

  const int switchPin = 8;

//hold the time LED is changed 
  unsigned long previousTime = 0;

  int switchState = 0;
  int prevSwitchState = 0;
  int led = 2;

//long is a datatype that controls the delay time between the LEDs turn on (high)
//the numbers are in milliseconds (10 mins = 600,000 milliseconds)
  long interval = 1000;

void setup() {
  // put your setup code here, to run once:
//declate pins 1-7 as output pins using a loop
  for(int x = 2;x<8;x++){
    pinMode(x, OUTPUT);
  }
  pinMode(switchPin, INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
//get the amount of time LEDs are running
  unsigned long currentTime = millis();

//check to see if enough time has passed
  if(currentTime - previousTime > interval) {
    previousTime = currentTime;

  //if the time has passed check if the LEDs are all on 
    digitalWrite(led, HIGH);
    led++;
  if(led == 7){
  } 
    }

  //if the LEDs are all on check reset their state to low (off)
  switchState = digitalRead(switchPin);

  if(switchState != prevSwitchState){
    for(int x = 2;x<8;x++){
      digitalWrite(x, LOW);
    }
  led = 2;
    previousTime = currentTime;
  }
  prevSwitchState = switchState;
}