Multi-tunes Melody Integrated Circuits - HK228

 Dual tone melody IC with1024
   musical notes,  maximum to
   24 songs .
 HK228-1 includes 12 X'mas
   songs, HK228-2 includes 13
   X'mas songs available .
 Option 5 trigger modes from
    2 function pin ( SL pin &
     MODE pin ) setting :
   (1) Direct power on/off control 
   (2) One shot re-trigger   
   (3) One shot non re-trigger
   (4) On/off switch key control   
   (5) One touched trigger key,
        sequence output to all
        song
 Built in 1 LED flash output for 
   sound output indication .
 Built in a motor driver control
   circuit for motor driving .