按键和lcd1602的C51程序，当按下某一个键时，在lcd上显示所按下键的键值。-Lcd1602 button and the C51 process, when the press of a button, the lcd display in the key by pressing the keys.

8051单片机驱动 lcd162A 液晶 ~ 快速入门吧~proteus 7的仿真电路都有啦~8051是通过74ls164连液晶的，顺便学习74ls164啦~关键是那个mylcddriver.h驱动头文件-8051 driver lcd162A LCD ~ ~ proteus 7 Quick Start bar circuit simulation has啦~ 8051 by 74ls164 with liquid crystal, and the way to learn 74ls164啦~

protues与keil实现，51单片机与1602液晶屏显示歌词，有16位按键，输入按键显示第x句歌词。-protues achieved with keil, 51 and 1602 LCD screen display lyrics, a 16-bit key, enter button to display the first x words lyrics.