 
 void loop() {
   ledOff();
-  Serial.print("fa;");
+  Serial.write("FA;");
 
   // wait for FA00000000000;
   while (Serial.available() > 0) {

    }
  }

  delay(1000);
}

void displayFrequency(String msg) {
  Serial.println();
  Serial.println("------------");
  Serial.println(msg);
  Serial.println("------------");
}

void ledOn() {

#define LCD_PIN 5
#define LED_PIN 13
#define BLINK_DELAY 75
#define BAUD_RATE 9600

#define LOOP_DELAY 50

serLCD lcd(LCD_PIN);

void setup() {
  delay(250);
  Serial.begin(BAUD_RATE);
  /*displayBanner();*/
}

String str = "";
