Arduino Code 1

int LED1 = 2;

int LED2 = 3;

int LED3 = 4;

int LED4 = 5;

int LED5 = 6;

int LED6 = 7;

int LED7 = 8;

int LED8 = 9;

int LED9 = 10;

int LED10 = 11;

int LED11 = 12;

int LED12 = 13;

int t=30;

void setup() {

   pinMode(LED1, OUTPUT);

   pinMode(LED2, OUTPUT);

   pinMode(LED3, OUTPUT);

   pinMode(LED4, OUTPUT);

   pinMode(LED5, OUTPUT);

   pinMode(LED6, OUTPUT);

   pinMode(LED7, OUTPUT);

   pinMode(LED8, OUTPUT);

   pinMode(LED9, OUTPUT);

   pinMode(LED10, OUTPUT);

   pinMode(LED11, OUTPUT);

   pinMode(LED12, OUTPUT);

    

}

void loop(){

digitalWrite(LED12, HIGH);    

  delay(t);                 

  digitalWrite(LED11, HIGH);    

  delay(t);                  

  digitalWrite(LED10, HIGH); 

  delay(t);                 

  digitalWrite(LED9, HIGH);  

  delay(t);                  

  digitalWrite(LED8, HIGH);    

  delay(t);                 

  digitalWrite(LED7, HIGH);    

  delay(t);                 

  digitalWrite(LED6, HIGH);  

  delay(t);               

  digitalWrite(LED5, HIGH); 

  delay(t);  

  digitalWrite(LED4, HIGH);    

  delay(t);

  digitalWrite(LED3, HIGH);    

  delay(t);

  digitalWrite(LED2, HIGH);    

  delay(t);

  digitalWrite(LED1, HIGH);    

  delay(t);

   

                    

  digitalWrite(LED12, LOW);    

  delay(t);                

  digitalWrite(LED11, LOW);    

  delay(t);                  

  digitalWrite(LED10, LOW);   

  delay(t);               

  digitalWrite(LED9, LOW);     

  delay(t);               

  digitalWrite(LED8, LOW);  

 delay(t);                 

  digitalWrite(LED7, LOW);  

  delay(t);                  

  digitalWrite(LED6, LOW);     

  delay(t);                  

  digitalWrite(LED5, LOW);   

  delay(t); 

  digitalWrite(LED4, LOW);    

  delay(t);

  digitalWrite(LED3, LOW);    

  delay(t);

  digitalWrite(LED2, LOW);    

  delay(t);

  digitalWrite(LED1, LOW);    

  delay(t);

  digitalWrite(LED1, HIGH);    

  delay(t); 

  digitalWrite(LED2, HIGH);    

  delay(t); 

  digitalWrite(LED3, HIGH);    

  delay(t); 

  digitalWrite(LED4, HIGH);    

  delay(t); 

  digitalWrite(LED5, HIGH); 

  delay(t);

  digitalWrite(LED6, HIGH);  

  delay(t);

  digitalWrite(LED7, HIGH);  

  delay(t);

  digitalWrite(LED8, HIGH);  

  delay(t);

  digitalWrite(LED9, HIGH);  

  delay(t);

  digitalWrite(LED10, HIGH);  

  delay(t);

  digitalWrite(LED11, HIGH);  

  delay(t);

  digitalWrite(LED12, HIGH);  

  delay(t);

  

  digitalWrite(LED1, LOW);    

  delay(t);

  digitalWrite(LED2, LOW);    

  delay(t);

  digitalWrite(LED3, LOW);    

  delay(t);   

  digitalWrite(LED4, LOW);    

  delay(t);

  digitalWrite(LED5, LOW);    

  delay(t);

  digitalWrite(LED6, LOW);    

  delay(t);

  digitalWrite(LED7, LOW);    

  delay(t);

  digitalWrite(LED8, LOW);    

  delay(t);

  digitalWrite(LED9, LOW);    

  delay(t);

  digitalWrite(LED10, LOW);    

  delay(t);

  digitalWrite(LED11, LOW);    

  delay(t);

  digitalWrite(LED12, LOW);    

  delay(t);

  digitalWrite(LED12, HIGH);    

  delay(t);                 

  digitalWrite(LED11, HIGH);    

  delay(t);                  

  digitalWrite(LED10, HIGH); 

  delay(t);                 

  digitalWrite(LED9, HIGH);  

  delay(t);                  

  digitalWrite(LED8, HIGH);    

  delay(t);                 

  digitalWrite(LED7, HIGH);    

  delay(t);                 

  digitalWrite(LED6, HIGH);  

  delay(t);               

  digitalWrite(LED5, HIGH); 

  delay(t);  

  digitalWrite(LED4, HIGH);    

  delay(t);

  digitalWrite(LED3, HIGH);    

  delay(t);

  digitalWrite(LED2, HIGH);    

  delay(t);

  digitalWrite(LED1, HIGH);    

  delay(t);

   

                    

  digitalWrite(LED12, LOW);    

  delay(t);                

  digitalWrite(LED11, LOW);    

  delay(t);                  

  digitalWrite(LED10, LOW);   

  delay(t);               

  digitalWrite(LED9, LOW);     

  delay(t);               

  digitalWrite(LED8, LOW);  

 delay(t);                 

  digitalWrite(LED7, LOW);  

  delay(t);                  

  digitalWrite(LED6, LOW);     

  delay(t);                  

  digitalWrite(LED5, LOW);   

  delay(t); 

  digitalWrite(LED4, LOW);    

  delay(t);

  digitalWrite(LED3, LOW);    

  delay(t);

  digitalWrite(LED2, LOW);    

  delay(t);

  digitalWrite(LED1, LOW);    

  delay(t);

  digitalWrite(LED1, HIGH);    

  delay(t);

  digitalWrite(LED2, HIGH);    

  delay(t);

  digitalWrite(LED3, HIGH);    

  delay(t);

  digitalWrite(LED4, HIGH);    

  delay(t); 

  digitalWrite(LED5, HIGH); 

  delay(t);

  digitalWrite(LED6, HIGH);  

  delay(t);

  digitalWrite(LED7, HIGH);  

  delay(t);

  digitalWrite(LED8, HIGH);  

  delay(t);

  digitalWrite(LED9, HIGH);  

  delay(t);

  digitalWrite(LED10, HIGH);  

  delay(t);

  digitalWrite(LED11, HIGH);  

  delay(t);

  digitalWrite(LED12, HIGH);  

  delay(t);

   digitalWrite(LED1, LOW);    

  delay(t);

  digitalWrite(LED2, LOW);    

  delay(t);

  digitalWrite(LED3, LOW);    

  delay(t);  

  digitalWrite(LED4, LOW);    

  delay(t);

  digitalWrite(LED5, LOW);    

  delay(t);

  digitalWrite(LED6, LOW);    

  delay(t);

  digitalWrite(LED7, LOW);    

  delay(t);

  digitalWrite(LED8, LOW);    

  delay(t);

  digitalWrite(LED9, LOW);    

  delay(t);

  digitalWrite(LED10, LOW);    

  delay(t);

  digitalWrite(LED11, LOW);    

  delay(t);

  digitalWrite(LED12, LOW);    

  delay(t);

  digitalWrite(LED12, HIGH);    

  delay(t);                 

  digitalWrite(LED11, HIGH);    

  delay(t);                  

  digitalWrite(LED10, HIGH); 

  delay(t);                 

  digitalWrite(LED9, HIGH);  

  delay(t);                  

  digitalWrite(LED8, HIGH);    

  delay(t);                 

  digitalWrite(LED7, HIGH);    

  delay(t);                 

  digitalWrite(LED6, HIGH);  

  delay(t);               

  digitalWrite(LED5, HIGH); 

  delay(t);  

  digitalWrite(LED4, HIGH);    

  delay(t);

  digitalWrite(LED3, HIGH);    

  delay(t);

  digitalWrite(LED2, HIGH);    

  delay(t);

  digitalWrite(LED1, HIGH);    

  delay(t);

   

                    

  digitalWrite(LED12, LOW);    

  delay(t);                

  digitalWrite(LED11, LOW);    

  delay(t);                  

  digitalWrite(LED10, LOW);   

  delay(t);               

  digitalWrite(LED9, LOW);     

  delay(t);               

  digitalWrite(LED8, LOW);  

 delay(t);                 

  digitalWrite(LED7, LOW);  

  delay(t);                  

  digitalWrite(LED6, LOW);     

  delay(t);                  

  digitalWrite(LED5, LOW);   

  delay(t); 

  digitalWrite(LED4, LOW);    

  delay(t);

  digitalWrite(LED3, LOW);    

  delay(t);

  digitalWrite(LED2, LOW);    

  delay(t);

  digitalWrite(LED1, LOW);    

  delay(t);

  digitalWrite(LED1, HIGH);    

  delay(t); 

  digitalWrite(LED2, HIGH);    

  delay(t); 

  digitalWrite(LED3, HIGH);    

  delay(t); 

  digitalWrite(LED4, HIGH);    

  delay(t); 

  digitalWrite(LED5, HIGH); 

  delay(t);

  digitalWrite(LED6, HIGH);  

  delay(t);

  digitalWrite(LED7, HIGH);  

  delay(t);

  digitalWrite(LED8, HIGH);  

  delay(t);

  digitalWrite(LED9, HIGH);  

  delay(t);

  digitalWrite(LED10, HIGH);  

  delay(t);

  digitalWrite(LED11, HIGH);  

  delay(t);

  digitalWrite(LED12, HIGH);  

  delay(t);

  digitalWrite(LED1, LOW);    

  delay(t);

  digitalWrite(LED2, LOW);    

  delay(t);

  digitalWrite(LED3, LOW);    

  delay(t);

  digitalWrite(LED4, LOW);    

  delay(t);

  digitalWrite(LED5, LOW);    

  delay(t);

  digitalWrite(LED6, LOW);    

  delay(t);

  digitalWrite(LED7, LOW);    

  delay(t);

  digitalWrite(LED8, LOW);    

  delay(t);

  digitalWrite(LED9, LOW);    

  delay(t);

  digitalWrite(LED10, LOW);    

  delay(t);

  digitalWrite(LED11, LOW);    

  delay(t);

  digitalWrite(LED12, LOW);    

  delay(t);}