Android Waterfall Fountain Automation System

//Code for Bluetooth Home Automation System

char state;

void setup() {

  pinMode(13, OUTPUT);

  Serial.begin(9600);

}

void loop() {

  if (Serial.available() > 0)

  {

    state = Serial.read();

  }

  if (state == 'N') {

    digitalWrite(13, HIGH);

  }

  else if (state == 'F') {

    digitalWrite(13, LOW);

  }

  delay(100);

}

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