所介绍的是基于单片机的户户通四防区的主机和分机汇编代码。同时也有相关的管理机代码及其相关的原理图、PCB图、调试文件、生产文件等。后续推出。-Described are based on the SCM promises the four play host and extension assembly code. At the same time also has related management machine code and its related schematic diagram