char LED;

void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
for (int c=29; c<=33;c++){
  pinMode(c, OUTPUT);
}
Serial.println("Enter LED to light up from 1 to 5: "); //prompts user to enter led number into serial monitor
}

void loop() {
  // put your main code here, to run repeatedly:
  while (Serial.available() == 0){ 
    //Wait for user input  
   }  
while (Serial.available()>0){

  LED=Serial.read(); //saves user input as LED variable
switch(LED){//changes which led lights up depending on user input
  case '1': //only lights first led if user enters 1
  digitalWrite(29, HIGH);
  digitalWrite(30,LOW);
  digitalWrite(31,LOW);
  digitalWrite(32,LOW);
  digitalWrite(33,LOW);
  break;

  case '2': //only lights second led if user enters 2
  digitalWrite(29, LOW);
  digitalWrite(30,HIGH);
  digitalWrite(31,LOW);
  digitalWrite(32,LOW);
  digitalWrite(33,LOW);
  break;

  case '3': //only lights third led if user enters 3
  digitalWrite(29,LOW);
  digitalWrite(30,LOW);
  digitalWrite(31,HIGH);
  digitalWrite(32,LOW);
  digitalWrite(33,LOW);
  break;

  case '4':  //only lights fourth led if user enters 4
  digitalWrite(29,LOW);
  digitalWrite(30,LOW);
  digitalWrite(31,LOW);
  digitalWrite(32,HIGH);
  digitalWrite(33,LOW);
  break;

  case '5': //only lights fifth led if user enters 5
  digitalWrite(29,LOW);
  digitalWrite(30,LOW);
  digitalWrite(31,LOW);
  digitalWrite(32,LOW);
  digitalWrite(33,HIGH);
  break;
}
}
}