  ,      .
  - 0603  1206  100 .
     ,      .
    ,  2-3   
        ,    . 
      "    "
 .        .
 MAX7219  HT1632     .
     jy-mcu_3208  HT1632   100  ,
  ""    .    .
  40       ,  
Forward Current IF 20-30 mA.  -    -  .
       .
     -,,   ,
 eeprom.          .
       .
       ATMega 328.
     !