mib_neuralizer/main.c

#include <avr/io.h>
#include <util/delay.h>

int main(void) {
  DDRD = 255;

  while (1) {
    PORTD = 0b00001000;
    _delay_ms(100);
    PORTD = 0;
    _delay_ms(100);
  }
  return 0;
}