     if (nodes[i] != 0xFF)
       nodes[i] = 0;   // No post waiting for node.
     }
+#if SERIAL_BAUD == 9600
+#define BITDELAY 54      // 9k6 @ 8MHz, 19k2 @16MHz
+#endif
+#if SERIAL_BAUD == 38400
+#define BITDELAY 11     // 38k4 @ 8MHz, 76k8 @16MHz
+#endif
 #if defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny44__)
   delay(1000);            // Delay on startup to avoid ISP/RFM12B interference.
   PCMSK0 |= (1<<PCINT0);  // tell pin change mask to listen to PA0

  whackDelay(_bitDelay*2); // if we were low this establishes the end
  pinMode(_receivePin, INPUT);      // PA0
  digitalWrite(_receivePin, HIGH);  // pullup!
  _bitDelay = 54;   // 9k6 @ 8MHz, 19k2 @16MHz
#else
  activityLed(1);
#endif

///  All right reserved.
/// Connect Tiny84 PA0 to USB-BUB TXD for serial input to sketch.
/// 9600 at present!
#define SERIAL_BAUD 38400
#define MAX_NODES 14
#else
#define SERIAL_BAUD 57600
