int latchPin = 8;
int clockPin = 12;
int dataPin = 11;
void setup() {
pinMode(latchPin, OUTPUT);
pinMode(clockPin, OUTPUT);
pinMode(dataPin, OUTPUT);
}
void loop() {
for (int j = 0; j < 256; j++) {
digitalWrite(latchPin, LOW);
shiftOut(dataPin, clockPin, LSBFIRST, j);
digitalWrite(latchPin, HIGH);
delay(1000);
}
}