基于单片机多通道pH控制系统设计

PH Control System of Multi-roads Based on Single-chip Microcomputer

本文采用AT89S52单片机作为中心控制单元,应用12位高精度并行A/D转换芯片AD574和8通道模拟开关MAX354实现八路数据采集,重点介绍了系统的硬件组成和软件设计。

This paper using Single-chip Microcomputer AT89S8252 as central item,realizing data sampling of 8 roads through AD574 and MAX354, We present the system hardware, and design of software in details.