一、引言单片微型机具有价格低、体积小、功耗小、可靠性高和应用灵活等优点,它已在自动控制、智能仪器仪表、医疗电子器械,数据采集、通讯导航、家用电器、办公自动化、机电一体化等许多领域中得到了广泛的应用。本文介绍以MCS—51系列单片微型机中的物美价廉的8031芯片为核心所构成的控制系统。这个控制系统的硬件和软件都是用 First, the introduction of single-chip microcomputer with low prices, small size, low power consumption, high reliability and application advantages, it has been in the automatic control, intelligent instrumentation, medical electronic equipment, data acquisition, communications navigation, household appliances, Office automation, electromechanical integration and many other fields have been widely used. This article describes the MCS-51 series of single-chip microcomputer inexpensive 8031 ​​chip as the core of the control system. This control system hardware and software are used