  ### Pin Map Recap - DL002A ###
  D0:
  D1:
- D2: DI led bar
- D3: DCKI led bar
- D4: 7-Segment RX
- D8: buzzer
- D9: progression switch (linear or f/stop) - maybe superfluous?
- D10: Relay signal
- D11, D12, A0-A6: 4x4 keypad
+ D(2, 3, 4, 5, 6, 7, 8, 9): Keypad
+ D10: progression switch (linear or f/stop) - maybe superfluous? 
+ D11: Relay
+ D12: Buzzer
  D13: main button (pedal/pushbutton)
+ A(0, 1): Ledbar 
+ A2: 7 segment display
+ A3: Lum.Potenz.
+
  
  ### Pin Map Recap - CMG001A ###
  D0: 

  #endif
}
void say_time() {
  say_cleartime();
  #if 0 == MYMODEL
    Serial7Segment.write(0x77); //Codice per invio funzioni specifiche
    Serial7Segment.write(0b00000100); //Accendo la virgola per 1 cifra decimale

#endif

// define wired pins
const byte buzzer = 12; // buzzer pin
const byte mainbtn = 13; // main button (pushbutton/pedal) pin
const byte relay = 11; // relay pin
const byte selector = 10; // progression switch pin
// define tone and delays
const int tone_up = 600;
const int tone_down = 300;
