The paper introduces the measuring circuit of volts d. c. equipped with AT89C51 single-chip microcomputer and MAX197 data-acquisition system.
介绍由单片机AT89C51、数据采集系统MAX197组成的直流电压测量电路。
Interface circuit and the design of control program in asynchronous transfer mode between AT89C51 single chip microcomputer system and intelligent MODEM are introduced.
介绍AT 89 C51单片机系统与智能调制解调器MODEM之间的接口电路和异步传输方式下的控制程序设计。
This paper introduces the functions and work principles of serial clock chip DS1302, the design of interface circuit with AT89C51 single -chip microcomputer in the spray irrigation controller.
本文介绍了串行时钟芯片DS1302的功能和工作原理，并给出ds1302在灌溉控制器中与AT 89 C51单片机的接口电路设计。
The controllable core of the device is AT89C51 single chip microcomputer, and with more technologies, the device simulated the process of auto controlled industrial product line.
该装置以at89c 51单片微型计算机为控制核心，并结合多项技术，模拟工业自动化控制生产线的工作过程。
The control core of frequency converter composed of the single chip microcomputer AT89C51 and sine PWM chip SLE4520, the main circuits and flow charts are given also.
使用AT 89 C 51单片机和SLE4520正弦pwm信号专用芯片作为变频部分的控制核心，给出了主要部分电路原理图和软件流程图。
The control core of frequency converter composed of the single chip microcomputer AT89C51 and sine PWM chip HEF4752, the main circuits and flow charts are given also.
使用AT 89 C 51单片机和HEF4752正弦pwm信号专用芯片作为变频部分的控制核心，给出了主要部分电路原理图和软件流程图。
The hardware is made up of automatic dialing, testing, alarming and playing, which is controlled by AT89C51 single chip microcomputer.
硬件部分以单片机at89c51为控制核心，包括自动拨号、检测、报警和放音等电路。
This design has AT89C51 single chip microcomputer as the core of detection and control of the intelligent robot.
本设计以at89c 51单片机作为智能机器人的检测和控制核心。
It takes the single chip microcomputer AT89C51 as the control nucleus, USES digit controlled current to control running of weighbeam, adopts infrared technology to check the balance of weighbeam.
测量仪以单片机at89c51为控制核心，使用数控电流源控制秤杆的转动，采用红外监控技术检测秤杆的平衡位置。
This paper introduces a blueprinter system controlled by AT89C51 single chip microcomputer. The counter pulse circuit and the programme flow chart are given in detail.
本文介绍了一个AT89C5 1单片机在控制工程晒图机方面的应用实例，特别介绍了计数信号的获取和处理，并给出了详细的程序框图。
This text is mainly to introduce a method of making the multi-functional digital clock with Single-Chip Microcomputer AT89C51 as the center controller.
本设计基于单片机技术原理，以单片机芯片AT89C51作为核心控制器，通过硬件电路的制作以及软件程序的编制，设计制作出一个多功能数字时钟系统。
This text is mainly to introduce a method of making the multi-functional digital clock with Single-Chip Microcomputer AT89C51 as the center controller.
本设计基于单片机技术原理，以单片机芯片AT89C51作为核心控制器，通过硬件电路的制作以及软件程序的编制，设计制作出一个多功能数字时钟系统。
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