void originalgetZeitronixPacket(char* packetpointer){
gotPacket = 0;
char startBytes[3];
  for (int i=0; i<3; i++){
    Serial1.readBytes(&startBytes[i],1);
    if (startBytes[i] == 2 && startBytes[i-1] == 1 && startBytes[i-2] == 0) {
          gotPacket = 1;
          Serial1.readBytes(packetpointer,11);
          return;
        }
 //   if (i == 3) { i = 0;} // repeat the 3-byte check on the next 3 bytes..
       }
}