SWITCH CASE

 

                        SWITCH CASE

https://github.com/anokhramesh/SWITCH-CASE-PRACTICAL

Arduino Sketch

int count = 0;// Variable name count default value is 0.

void setup() 

{

  Serial.begin(9600);// select serial monitor baud rate 9600

  pinMode(2, INPUT_PULLUP);// connect push button to digital pin 2 

  pinMode(3, OUTPUT);// connect LED-1 to digital pin 3 

  pinMode(4, OUTPUT);// connect LED-2 to digital pin 4 

  pinMode(5, OUTPUT);// connect LED-3 to digital pin 5

  pinMode(6, OUTPUT);// connect LED-4 to digital pin 6

  pinMode(7, OUTPUT);// connect LED-5 to digital pin 7

  pinMode(8, OUTPUT);// connect LED-6 to digital pin 8

}

void loop() {

  

  Serial.print("Case  ");// print the value of count on serial monitor

  Serial.println(count);

  

  int val = digitalRead(2);// store the value of push button to variable 'val'

  if(val == 0)// if value of val is equal to 0,add 1 to the value of count.

  {

    count = count + 1;

  }

  switch(count)//assign the count to switch

  {

     case 1:

      digitalWrite(3, HIGH);//Turn ON LED  connected to Pin3

      break;

    case 2:

      digitalWrite(3, LOW);//Turn OFF LED  connected to Pin3

      digitalWrite(4, HIGH);//Turn ON LED  connected to Pin4

      break;

    case 3:

      digitalWrite(4, LOW);//Turn OFF LED  connected to Pin4

      digitalWrite(5, HIGH);//Turn ON LED connected to Pin5

      break;

    case 4:

      digitalWrite(5, LOW);//Turn OFF LED  connected to Pin5

      digitalWrite(6, HIGH);//Turn ON LED connected to Pin6

      break;

    case 5:

      digitalWrite(6, LOW);//Turn OFF LED connected to Pin6

      digitalWrite(7, HIGH);//Turn ON LED connected to Pin7

      break;

    case 6:

      digitalWrite(7, LOW);//Turn OFF LED  connected to Pin7

      digitalWrite(8, HIGH);//Turn ON LED  connected to Pin8

      break;

    default:

      digitalWrite(3, LOW);//Turn OFF  All LED 

      digitalWrite(4, LOW);

      digitalWrite(5, LOW);

      digitalWrite(6, LOW);

      digitalWrite(7, LOW);

      digitalWrite(8, LOW);

      count = 0;

      break;

  }

  delay(300);

}