用cvavr自带的库函数做的ds18b20带lcd显示的程序，时序很准，可传输400多米-Built-in library functions with cvavr do ds18b20 with lcd display program, timing is very accurate and can be transmitted more than 400 meters

DS1338的中英文资料，可以为你的设计添砖加瓦。-DS1338 information in English and Chinese, you can design your building blocks.