包含按键的去抖 DS1302时间芯品片的读取 以及数码管的静态显示和LCD1602的显示-Shaking the piece of the DS1302 time core products contain the keys to read, and static digital tube display and LCD1602 display

基于AT89S52和LCD1602开发的出租车计价器，能显示日期，时间，早晚不同的价格调整。-Based on AT89S52 and LCD1602 developed taxi meter, can show the date, time, and sooner or later different price adjustment.