uint8_t my_pins[7] = {2, 3, 4, 5, 6, 7, 8}; // A, B, C, D, E, G, F

uint8_t muster[4][7] = {{LOW, HIGH, HIGH, LOW, LOW, HIGH, LOW},
                        {LOW, LOW, LOW, LOW, LOW, HIGH, LOW},
                        {HIGH, HIGH, HIGH, LOW, LOW, HIGH, LOW},
                        {HIGH, HIGH, HIGH, HIGH, HIGH, HIGH, HIGH}};

/*
uint8_t musterc[7] = {LOW, HIGH, HIGH, LOW, LOW, HIGH, LOW};   
uint8_t mustero[7] = {LOW, LOW, LOW, LOW, LOW, HIGH, LOW};     
uint8_t musterl[7] = {HIGH, HIGH, HIGH, LOW, LOW, HIGH, LOW};  
uint8_t musteroff[7] = {HIGH, HIGH, HIGH, HIGH, HIGH, HIGH, HIGH}; 
*/

void setup() {
  for (uint8_t i = 0; i < 7; i++) {
    pinMode(my_pins[i], OUTPUT); 
  }
  Serial.begin(115200); 
}

void loop() {
  // "C" anzeigen
  for (uint8_t i = 0; i < 7; i++) {
    digitalWrite(my_pins[i], muster[0][i]);
  }
  delay(1000);

  // "O" anzeigen
  for (uint8_t i = 0; i < 7; i++) {
    digitalWrite(my_pins[i], muster[1][i]);
  }
  delay(1000);

  //  "O" anzeigen
  for (uint8_t i = 0; i < 7; i++) {
    digitalWrite(my_pins[i], muster[2][i]);
  }
  delay(1000);

  // "L" anzeigen
  for (uint8_t i = 0; i < 7; i++) {
    digitalWrite(my_pins[i], muster[3][i]);
  }
  delay(1000);

  // LEDs ausschalten
  for (uint8_t i = 0; i < 7; i++) {
    digitalWrite(my_pins[i], muster[4][i]);
  }
  delay(1500);
}