//Setup the pins for the MOSFET Gates
const int LED_WHITE = 2;
const int LED_UV = 4;

int max_threshold = 1000;
int max_cycle = 5000;
int num_cycles = 30;

uint16_t cycle,cycles,threshold;

void setup() {
  // put your setup code here, to run once:
  pinMode(LED_WHITE, OUTPUT);
  pinMode(LED_UV, OUTPUT);
}

void loop() {
   // put your main code here, to run repeatedly:
   float power = 0;
   for (cycles = 0; cycles < num_cycles; ++cycles) {
      for (cycle = 0; cycle < max_threshold*power; ++cycle)
         digitalWrite(LED_WHITE, HIGH);
      for (cycle = max_threshold*power; cycle < max_cycle; ++cycle)
         digitalWrite(LED_WHITE, LOW);
   }

   delay(1000);

   //Power level 10%:
   power = .10;
   for (cycles = 0; cycles < num_cycles; ++cycles) {
      for (cycle = 0; cycle < max_threshold*power; ++cycle)
         digitalWrite(LED_WHITE, HIGH);
      for (cycle = max_threshold*power; cycle < max_cycle; ++cycle)
         digitalWrite(LED_WHITE, LOW);
   }

   delay(1000);

   //Powre level 25%:
   power = .25;
   for (cycles = 0; cycles < num_cycles; ++cycles) {
      for (cycle = 0; cycle < max_threshold*power; ++cycle)
         digitalWrite(LED_WHITE, HIGH);
      for (cycle = max_threshold*power; cycle < max_cycle; ++cycle)
         digitalWrite(LED_WHITE, LOW);
   }

   delay(1000);

   //Power level 50%:
   power = .5;
   for (cycles = 0; cycles < num_cycles; ++cycles) {
      for (cycle = 0; cycle < max_threshold*power; ++cycle)
         digitalWrite(LED_WHITE, HIGH);
      for (cycle = max_threshold*power; cycle < max_cycle; ++cycle)
         digitalWrite(LED_WHITE, LOW);
   }

   delay(1000);

   //Power level 75%:
   power = .75;
   for (cycles = 0; cycles < num_cycles; ++cycles) {
      for (cycle = 0; cycle < max_threshold*power; ++cycle)
         digitalWrite(LED_WHITE, HIGH);
      for (cycle = max_threshold*power; cycle < max_cycle; ++cycle)
         digitalWrite(LED_WHITE, LOW);
   }

   delay(1000);

   //Power level 100%:
   power = 1;
   for (cycles = 0; cycles < num_cycles; ++cycles) {
      for (cycle = 0; cycle < max_threshold*power; ++cycle)
         digitalWrite(LED_WHITE, HIGH);
      for (cycle = max_threshold*power; cycle < max_cycle; ++cycle)
         digitalWrite(LED_WHITE, LOW);
   }

   delay(1000);
}