ban oi cho minh hoi ve cai lcd_lib_4bit minh muon dung lai doan code cua ban nhung chan giao tiep lcd cua minh la
RD0-RD3 cua Pic noi thu tu voi DB4-DB7 cua LCd
RD4 cua pic noi RS
RD5 RW
RD6 E
thi minh phai sua code cua ban nhu the nao!
mong ban giup minh voi !minh chua co kinh nghiem ve con pic nen lung tung qua