2P2222 Transistor Switching

Need to use Serial.available before start reading bytes in:

if (Serial.available()>2){ // 3 bytes ready?
  if (Serial.read() == "$"){ // start byte to get in sync
  // read 2 more  bytes, do whatever
  }
//  no $, wait for more data
}

I went to RPI, The Engineers. Let's Go Red! 1985 NCAA Mens Ice Hockey Champions, we won our intramural ice hockey championship the same season.