void setup() {
  // put your setup code here, to run once:
  DDRF =0b11111111; //OUTPUT จะเป็นเลข1

}

void loop() {
  // put your main code here, to run repeatedly:
  for(unsigned char i = 0;i<8;i++){
    PORTF = ~(0b00000001 << i); //นิเสธทำให้ไฟทุกดวงดับ ,ยังไม่นิเสธ (0คือติด 1คือดับ)
    delay(1000);
  }

  for(unsigned char i = 8;i>0;i--){
    PORTF =~(0b00000001<<i);
    delay(1000);
  }
  for(unsigned char i=0; i<3 ;i++){
    PORTF =0b11111111;
    delay(1000);
    PORTF =0b00000000;
    delay(1000);
  }
  for(unsigned char i=0 ;i<3;i++){
    PORTF = 0b01010101;
    delay(1000);
    PORTF =0b10101010;
    delay(1000);
  }
  
  

}