本文介绍了一种由8031单片机系统控制的程控的放大器的基本原理和硬件与软件设计思想。
This article introduces the basic principle of the programme control amplifier controlled by 8031 single chip microcomputer and the design thought of the system hardware and software.
此系统采用AT89S52单片机，利用红外线的直线传播与叠加原理实现，设计的硬件电路简单，具有高抗干扰能力、故障识别能力强的特点；
This system adopted the single computer AT89S52, the hardware circuit was very simple and it had the characteristics of high anti-jamming capabilities and a strong ability to identify.
介绍一个由8031单片机等组成的弹簧刚度自动测试及分选系统的设计原理与特点。
This paper introduces the design principle and features of an automatic measuring and sorting system for spring rigidity based on 8031 single-chip microcomputer.
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