单片机89C51扩展的液晶显示器 显示字符 可下载 直接运行-89C51 single-chip LCD display extended characters can be downloaded directly to run

实现风速检测，通过89c51和555定时器在lcd上显示。-Wind speed detection through the 89c51 and 555 timer on the LCD display.

基于89c51的断电自恢复可调时钟系统，其中涉及到花样流水灯显示、数码管显示、按键操作、液晶屏显示、EEPROM等操作。-89c51 based self-healing power adjustable clock system, which involves tricks water lights display, digital display, key operation, LCD display, EEPROM and other operations.