一种基于单片机和GPRS通讯的远程I/O控制模块设计

Design of a Remote I/O Module Based on MCU and GPRS Communication

目前,以单片机为核心的嵌入式系统已经广泛地应用于各个领域。设计了一种应用单片机和GPRS模块的远程I/O控制模块,该I/O模块的主要部件由AT89S52单片机和GPRS模块SIM800C构成,完成I/O控制功能和远程通讯功能。介绍了系统的总体方案及I/O模块的硬件设计和软件设计。

Nowadays,the embedded system with MCU has been widely applied in various fields.This paper designs a remote I/O control module using MCU and GPRS module.The main parts of the I/O module are composed of AT89S52 MCU and GPRS module SIM800C.The I/O control function and remote communication function are completed respectively.The overall scheme of the system,the hardware design and software design of the I/O module are introduced in this paper.