void setup() {
  // put your setup code here, to run once:
  lcd.begin(16, 2);
  lcd.write("hello");
}

void loop() {
    if (Serial.available() == 5) {
        inputByte_0 = Serial.read();
        delay(10);
        inputByte_1 = Serial.read();
        delay(10);
        inputByte_2 = Serial.read();
        delay(10);
        inputByte_3 = Serial.read();
        delay(10);
        inputByte_4 = Serial.read();
    }
    if (inputByte_0 == 9) {
        Serial.println("hi");
        lcd.write("whats up?");
    }
}