In this article, double-melodic ring made ​​with KS5814 integrated circuit will tell you. Integrated KS5814, in which two principal melody, produced by SAMSUNG company, is a 14-pin integrated. In that the logic operation of the circuit; 1 button is... Electronics Projects, Double Melody Door Bell Circuit KS5814 "analog circuits projects, simple circuit projects, " Date 2019/08/02