Natural Harmonic Integrated Circuits - HK322

Natural harmonic melody IC with
   512 musical notes , maximum to
   8 songs programming .
 HK322-2 & HK322-6 with 6
   children songs each IC;
   HK322-3 has 3 children songs
   HK322-1 has 8 X'mas songs
 Option 5  trigger modes from
   2 function pins ( SL pin, MODE 
   pin  ) setting :
    (1) Direct power on / off control 
    (2) One shot non retrigger   
    (3) One shot with re-trigger
    (4) On/off switch key control   
    (5) One touched trigger key, 
         plays all song with sequence
         output
 Built in 1 LED flash output for
   sound output indication .
 Built in a motor driver control
   circuit for motor driving .