int DS_pin = 22;
int STCP_pin = 24;
int SHCP_pin = 26;

boolean registre[8];

void setup()
{
  Serial.begin(9600);
  pinMode(DS_pin,OUTPUT);
  pinMode(STCP_pin,OUTPUT);
  pinMode(SHCP_pin,OUTPUT);

  registre[0] = HIGH;
  registre[1] = HIGH;
  registre[2] = HIGH;
  registre[3] = HIGH;
  registre[4] = HIGH;
  registre[5] = HIGH;
  registre[6] = HIGH;
  registre[7] = HIGH;
  EcrireRegistre();

}

void EcrireRegistre()
{

  digitalWrite(STCP_pin, LOW);

  for (int i = 7; i>=0; i--)
  {
    digitalWrite(SHCP_pin, LOW);
    digitalWrite(DS_pin, registre[i] );
    digitalWrite(SHCP_pin, HIGH);
  }

  digitalWrite(STCP_pin, HIGH);
}


void loop()
{
}