int LEDs[] = {22,23,21,4,19,18,5};   
int eight[] = {0, 0, 0, 0, 0, 0, 0};
int six[] = {1, 0, 0, 0, 0, 0, 0};
int six[] = {1, 0, 0, 0, 0, 0, 0};


void setup() 
{
  for (int i = 0; i<7; i++) pinMode(LEDs[i], OUTPUT);
}

void loop() 
{
  for (int i = 0; i<7; i++) digitalWrite(LEDs[i], eight[i]);
  delay(1000);
  
  for (int i = 0; i<7; i++) digitalWrite(LEDs[i], six[i]);
  delay(1000);
  
  for (int i = 0; i<7; i++) digitalWrite(LEDs[i], six[i]);
  delay(1000);
  
}














































































//https://diyi0t.com/segment-led-display-tutorial-for-arduino-and-esp8266/