/*
 * Charlieplexing code for this board:
 * http://archive.fabacademy.org/2018/labs/fablabamsterdam/students/klein-xavier/pages/week11/file/ledboard.zip
 * WTFPL Xavier Klein
 */


const int LED_1 = 0;     //LED row 1
const int LED_2 = 1;     //LED row 2    
const int LED_3 = 2;     //LED row 3

void setup() 
{
}

void loop()
{
 
  //turn on LED 1
  pinMode(LED_1, OUTPUT);     //row 1
  digitalWrite(LED_1, LOW);
  pinMode(LED_2, OUTPUT);     //row 2
  digitalWrite(LED_2, HIGH);  
  pinMode(LED_3, INPUT);      //row 3
  digitalWrite(LED_3, LOW);
  
  delay(100);



   //turn on LED L2
  pinMode(LED_1, INPUT);      //row 1
  digitalWrite(LED_1, LOW);
  pinMode(LED_2, OUTPUT);     //row 2
  digitalWrite(LED_2, LOW);  
  pinMode(LED_3, OUTPUT);     //row 3
  digitalWrite(LED_3, HIGH);
  
  delay(100);
  
  //turn on LED L3
  pinMode(LED_1, OUTPUT);     //row 1
  digitalWrite(LED_1, HIGH);
  pinMode(LED_2, OUTPUT);     //row 2
  digitalWrite(LED_2, LOW);   
  pinMode(LED_3, INPUT);      //row 3
  digitalWrite(LED_3, LOW);
  
  delay(100);

  
  //turn on LED L4
  pinMode(LED_1, INPUT);     //row 1
  digitalWrite(LED_1, LOW);
  pinMode(LED_2, OUTPUT);    //row 2
  digitalWrite(LED_2, HIGH);  
  pinMode(LED_3, OUTPUT);    //row 3
  digitalWrite(LED_3, LOW);
  
  delay(100);

     //turn on LED L5
  pinMode(LED_1, OUTPUT);    //row 1
  digitalWrite(LED_1, LOW);
  pinMode(LED_2, INPUT);     //row 2
  digitalWrite(LED_2, LOW);
  pinMode(LED_3, OUTPUT);    //row3
  digitalWrite(LED_3, HIGH);
  
  delay(100);

   //turn on LED L6
  pinMode(LED_1, OUTPUT);
  digitalWrite(LED_1, HIGH);
  pinMode(LED_2, INPUT);
  digitalWrite(LED_2, LOW);  
  pinMode(LED_3, OUTPUT);
  digitalWrite(LED_3, LOW);
  
  delay(100);

      //turn on LED L5
  pinMode(LED_1, OUTPUT);    //row 1
  digitalWrite(LED_1, LOW);
  pinMode(LED_2, INPUT);     //row 2
  digitalWrite(LED_2, LOW);
  pinMode(LED_3, OUTPUT);    //row3
  digitalWrite(LED_3, HIGH);
  
  delay(100);

    //turn on LED L4
  pinMode(LED_1, INPUT);     //row 1
  digitalWrite(LED_1, LOW);
  pinMode(LED_2, OUTPUT);    //row 2
  digitalWrite(LED_2, HIGH);  
  pinMode(LED_3, OUTPUT);    //row 3
  digitalWrite(LED_3, LOW);
  
  delay(100);

    //turn on LED L3
  pinMode(LED_1, OUTPUT);     //row 1
  digitalWrite(LED_1, HIGH);
  pinMode(LED_2, OUTPUT);     //row 2
  digitalWrite(LED_2, LOW);   
  pinMode(LED_3, INPUT);      //row 3
  digitalWrite(LED_3, LOW);
  
  delay(100);

     //turn on LED L2
  pinMode(LED_1, INPUT);      //row 1
  digitalWrite(LED_1, LOW);
  pinMode(LED_2, OUTPUT);     //row 2
  digitalWrite(LED_2, LOW);  
  pinMode(LED_3, OUTPUT);     //row 3
  digitalWrite(LED_3, HIGH);
  
  delay(100);
  

}