 -    MCU ATMega8
 - 5     - (4 - /, 1 -  )
    4 
 RTC -   2    (  32768 )
 - 2 
 - 7...15 ,   7508.
     

   :

PORTB.0 -
PORTB.1 -  1 (  ,   )
PORTB.2 -  2 (   ,   )
PORTB.3 -   (DS18B20)
PORTB.4 -
PORTB.5 -  ( 0)


PORTC.0 -     
PORTC.1 -    
PORTC.2 -      
PORTC.3 -    
PORTC.4 -      
PORTC.5 -



PORTD.0 -  d  1
PORTD.1 -  h  2
PORTD.2 -  e  4
PORTD.3 -  c  8
PORTD.4 -  g  16
PORTD.5 -  b  32
PORTD.6 -  f  64
PORTD.7 -  a  128



