基于89s52的鲁棒性很高的温度报警系统设计。内有一张演示图，一个按键分配说明，一个asm源码。内涵非常详尽的注释和管脚分配信息。-89s52-based robust high temperature alarm system design. There is a demo map, a key assignment instructions, an asm source. Meaning very detailed notes and pin assignment information.