LCD + 4 * 4 matrix keyboard display characters
no vote
#define uchar unsigned char#define uint unsigned int//sbit dula=P2^6; sbit wela=P2^5;sbit lcden=P2^7; sbit lcdrs=P2^6; uchar tab_ key[50];uchar code tab[]="0123456789abcdef";uchar n=0,temp,key;//