 
 #include "ParitySerial.h"
 
-// The LED, if used, will blink at approx the following rate on 16 MHz ATmega:
-// 0.5 Hz = trying to connect, 1 Hz = programming, 5 Hz = error, steady = done
+// the LED, if used, will blink at approx the following rate on 16 MHz ATmega:
+// 0.25 Hz = trying to connect, 1 Hz = programming, 5 Hz = error, steady = done
 
 #define LED_PIN     13      // Arduino Dig.13, AVR port B.5, ATMega328 pin.13
 #define RESET_PIN   5       // Arduino Dig.5, AVR port D.5, ATMega328 pin.11

#endif // __AVR_ATmega328P__

// only uncomment one of the boot loaders mentioned below (or add your own)
// see etc/bin2h.c for the utility code used to make these include files

//#define BOOT_LOADER "boot-maplemini-v20.h"
#define BOOT_LOADER "boot-usbSerial-v01.h"


#define SPEED       1       // relative CPU speed for use in busy loops

#else // probably an STM32F103 running at 64 or 72 MHz, with hardware serial

#ifdef ARDUINO_STM_NUCLEO_F103RB
#define Log         Serial1
