// const int LED=7;

// void setup() {
//   // put your setup code here, to run once:
// pinMode(LED, OUTPUT);
// }

// void loop() {
//   // put your main code here, to run repeatedly:
// digitalWrite(LED,HIGH);
// }
char input;
void setup(){
  pinMode(7, OUTPUT);
  Serial.begin(9600);
  Serial.println("Arduino Control LED");

}

void loop(){
  if(Serial.available()){
    input=Serial.read();
  }
  if(input=='1'){
    digitalWrite(7, HIGH);
  }
  else if(input=='0'){
    digitalWrite(7, LOW);
  }

}