Simple Melody Integrated Circuits - HK223
Product Details
Single tone melody IC with 128
musical notes, several standard
songs available in list for song
option .
Built in 1 LED flash output for
sound output indication .
3 trigger mode option for one
shot non re-trigger ( TG1 pin ) ,
level hold trigger ( TG2 pin ) and
power on / off types ( TG1 and
TG2 are connected to VDD ) .
Speaker or buzzer for sound
output device .
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