FREKVENS snippet

main.cpp

#include <Arduino.h>

void setup() {
  pinMode(PB3, OUTPUT); // clk
  pinMode(PB4, OUTPUT); // latch
  pinMode(PB5, OUTPUT); // data

  for (int i = 0; i <= 255; i++) {
    digitalWrite(PB5, HIGH);
    digitalWrite(PB3, HIGH);
    digitalWrite(PB3, LOW);
  }
  digitalWrite(PB4, HIGH);
  digitalWrite(PB4, LOW);
}

void loop() {
  delay(1000);
}