   while(Serial.available() < 1){
     ;
   }
- return Serial.read();
+  return Serial.read();
 }
 
 void loop()

  pinMode(PARACHUTE_PIN, OUTPUT);
  pinMode(WATERSPLASHER_PIN, OUTPUT);

  attachInterrupt(ZERO_CROSSING_INTERRUPT, zero_cross_detect, RISING);
}


    messageStart = readFromSerial();
  while (messageStart != 0xFF);

  do {
    command = readFromSerial();
    value = readFromSerial();
  } while (value == 0xFF);

  switch(command) {
  case 'F':
