Arduino Program to Make a Rotating Pattern in 3*3*3 LED Cube (Part 6 of 10)

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          We had already seen the circuit for 3*3*3 LED cube in previous blog. Here, we will generate a program to create a beautiful pattern as shown below.

Now upload the following program to your arduino board.

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int neg1 = 13;  //"neg1" is connected to the 13th digital pin of arduino
int neg2 = 12;  //"neg2" is connected to the 12th digital pin of arduino
int neg3 = 11;  //"neg3" is connected to the 11th digital pin of arduino
int neg4 = 10;  //"neg4" is connected to the 10th digital pin of arduino
int neg5 = 9;   //"neg5" is connected to the 9th digital pin of arduino
int neg6 = 8;   //"neg6" is connected to the 8th digital pin of arduino
int neg7 = 7;   //"neg7" is connected to the 7th digital pin of arduino
int neg8 = 6;   //"neg8" is connected to the 6th digital pin of arduino
int neg9 = 5;   //"neg9" is connected to the 5th digital pin of arduino

int pos1 = 4;   //"pos1" is connected to the 4th digital pin of arduino
int pos2 = 3;   //"pos2" is connected to the 3rd digital pin of arduino
int pos3 = 2;   //"pos3" is connected to the 2nd digital pin of arduino

int delay_time=100, j=0;

// the setup routine runs once when you press reset:
void setup() {                
  // initialize the digital pin as an output.
  pinMode(neg1, OUTPUT);     
  pinMode(neg2, OUTPUT);     
  pinMode(neg3, OUTPUT);     
  pinMode(neg4, OUTPUT);     
  pinMode(neg5, OUTPUT);     
  pinMode(neg6, OUTPUT);     
  pinMode(neg7, OUTPUT);     
  pinMode(neg8, OUTPUT);     
  pinMode(neg9, OUTPUT);  
  
  pinMode(pos1, OUTPUT);     
  pinMode(pos2, OUTPUT);     
  pinMode(pos3, OUTPUT);     
}

// the loop routine runs over and over again forever:
void loop() {

  for(j=0;j<6;j++)
  {
    digitalWrite(pos1, HIGH);
    digitalWrite(pos2, HIGH);
    digitalWrite(pos3, HIGH);
  
    digitalWrite(neg1, LOW);
    digitalWrite(neg2, HIGH);
    digitalWrite(neg3, HIGH);
    digitalWrite(neg4, HIGH);
    digitalWrite(neg5, LOW);
    digitalWrite(neg6, HIGH);
    digitalWrite(neg7, HIGH);
    digitalWrite(neg8, HIGH);
    digitalWrite(neg9, LOW);
    
    delay(delay_time);
    
    digitalWrite(pos1, HIGH);
    digitalWrite(pos2, HIGH);
    digitalWrite(pos3, HIGH);
  
    digitalWrite(neg1, HIGH);
    digitalWrite(neg2, LOW);
    digitalWrite(neg3, HIGH);
    digitalWrite(neg4, HIGH);
    digitalWrite(neg5, LOW);
    digitalWrite(neg6, HIGH);
    digitalWrite(neg7, HIGH);
    digitalWrite(neg8, LOW);
    digitalWrite(neg9, HIGH);
    
    delay(delay_time);
   
    digitalWrite(pos1, HIGH);
    digitalWrite(pos2, HIGH);
    digitalWrite(pos3, HIGH);
  
    digitalWrite(neg1, HIGH);
    digitalWrite(neg2, HIGH);
    digitalWrite(neg3, LOW);
    digitalWrite(neg4, HIGH);
    digitalWrite(neg5, LOW);
    digitalWrite(neg6, HIGH);
    digitalWrite(neg7, LOW);
    digitalWrite(neg8, HIGH);
    digitalWrite(neg9, HIGH);
    
    delay(delay_time);
    
    digitalWrite(pos1, HIGH);
    digitalWrite(pos2, HIGH);
    digitalWrite(pos3, HIGH);
  
    digitalWrite(neg1, HIGH);
    digitalWrite(neg2, HIGH);
    digitalWrite(neg3, HIGH);
    digitalWrite(neg4, LOW);
    digitalWrite(neg5, LOW);
    digitalWrite(neg6, LOW);
    digitalWrite(neg7, HIGH);
    digitalWrite(neg8, HIGH);
    digitalWrite(neg9, HIGH);
    
    delay(delay_time);   
  }
}

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          If uploading is successful, a pattern as shown in the circuit will be created. By adjusting the value of "delay_time", we can change the speed of pattern.

Continued in Next Part (Part 7) >>>>