// by N M D Weerasinghe SLCOTM

String Incomming_msg = "";



void setup() {
  // put your setup code here, to run once:
for (int i=2; i<6;i++)
{
  pinMode(i, OUTPUT); // define PIN mode
  digitalWrite(i, LOW); // Turn off LEDs
}

Serial.begin(9600);
Serial.println("Enter LED number to turn on , LED number x2 to turn off");

}

void loop() {
  // put your main code here, to run repeatedly:
    if(Serial.available()>0)
    {
      Incomming_msg = Serial.readString();

      if(((Incomming_msg.toInt() >0) && (Incomming_msg.toInt()<5)))
      {
        digitalWrite(Incomming_msg.toInt()  +1 ,1);
      }
      else if ((Incomming_msg.toInt()<9))
            {
              digitalWrite(Incomming_msg.toInt() -4 +1,0);
            }

            else Serial.println("Invalid number, Enter number 1 to 8 only");

    }




}