git.piffa.net Git - arduino/blob - books/ArduinoNextSteps-master/ArduinoNextSteps/sketch_04_09_square_ports/sketch_04_09_square_ports.ino

   1 // sketch_04_09_square_ports
   2
   3 byte state = 0;
   4
   5 void setup()
   6 {
   7   DDRB = B00000100;
   8   while (true)
   9   {
  10     PORTB = B00000100;
  11     PORTB = B00000000;
  12   }
  13 }
  14
  15 void loop()
  16 {
  17 }
  18
  19