基于VB、Access、研华IO模块、Gprs模块的远程监控系统-Based on VB, Access, Advantech IO module, Gprs module of the remote monitoring system

52单片机设计程序，包括IO滤波等处理模块，相关单片机设计人员可以参考-52 single-chip design process, including the IO filtering and other processing modules, designers can refer to the relevant microcontroller