Handmade in electronic piano project PIC16F690, PIC16F887 or PIC16F886. PIC microcontrollers can be used to connect to the legs of metal coins used as key microcontroller with ADC circuit 36 is used for touch-key hues quite well C source... Electronics Projects, PIC Microcontroller-Controlled Electronic Piano Project "microchip projects, microcontroller projects, " Date 2019/08/02