求单片机电子琴电路图及C程序,要AT89C51芯片的答:include <AT89X51.H> unsigned char temp;unsigned char key;unsigned char i,j;unsigned char STH0;unsigned char STL0;unsigned int code tab[]={64021,64103,64260,64400,64524,64580,64684,64777,64820,64898,64968,65030,65058,65110,65157,65178};void main(void){ TMOD=0x01;ET0=1;EA=...
单片机AT89C51电子琴设计的原理图和c程序???答:include <AT89X51.H> unsigned char temp;unsigned char key;unsigned char i,j;unsigned char STH0;unsigned char STL0;unsigned int code tab[]={64021,64103,64260,64400,64524,64580,64684,64777,64820,64898,64968,65030,65058,65110,65157,65178};void main(void){ TMOD=0x01;ET0=1;EA=...