int ledTest = 10;
void setup() {
  TCCR1A = 0;
  TCCR1B = 0;
  bitSet(TCCR1B, CS12);  // 256 prescaler
  OCR1A = 62500;
  bitSet(TCCR1A, COM1A0); // Toggle pin OC1A (9)
  //bitSet(TCCR1A, COM1B0); //  Toggle pin OC1B (10)
  pinMode(9, OUTPUT);
  pinMode (10, OUTPUT);
}

void loop() {
  LEDTest();
  delay (3000);
}

void LEDTest(){
  digitalWrite(ledTest, HIGH);
  delay (500);
  digitalWrite(ledTest, LOW);
  delay(1000);

}