1602测距模块源码，已经经过测试，觉得可用，有问题可以联系我，本人是菜鸟，有问题，大家一起讨论-1602 ranging module source code, has been tested, that available, a problem can contact me, I am a rookie, there are problems, we can discuss

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.