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- 摘要：基于单片机的数控开关电源是利用单片机实现对开关电源的输出电压设定、输出电压步进调整、输出电压和输出电流显示等数字控制。本文设计的数控开关电源由两部分组成。开关电源部分采用基于PWM控制的不对称半桥功率变换器，由模拟控制芯片KA3525产生PWM信号经驱动电路实现对功率变换电路的输出电压控制，实现电压的稳定输出。数控部分采用凌阳单片机的D/A输出对KA3525的误差比较器的参考端进行数字给定，实现对输出电压的设定、步进调整和显示等功能。文中给出了系统设计框图，对各部分电路进行了分析，并给出了
voltage1602
- 用1602做显示，51单片机为核心的数字电压表设计-To do with the 1602 show that 51 microcontroller as the core of the digital voltmeter design
I2Csheji
- 基于I2C的单片机设计，里面包含电路仿真图，值得借鉴！-I2C-based MCU design, which includes circuit simulation diagram, it is worth learning!
TianhuaExample
- 我自己用四小时做好的2009年天华杯单片机设计与开发大赛题型示例，带按键，数码显示，电机驱动和电机温度检测。完全满足题目要求。-I do a good job with the four-hour days of 2009 China Cup Microcontroller Design and Development Competition kinds of questions example, with buttons, digital display, motor drive and mo
PROC
- 单片机设计与开发程序设计程序代码与电路图\第14章 基于DS12C887的实时日历时钟显示系统设计-Microcontroller design and development program design code and schematics \ Chapter 14 based on the DS12C887 real-time calendar clock display system design
33GraduationClass
- 33个毕业设计——单片机类 -33 Graduation- Class 33 Graduation Design MCU- Microcontroller category
33Graduation
- 33个毕业设计---单片机类(包含论文、源代码、个别的有PCB)-33 Graduation--- SCM classes (including articles, source code, there are individual PCB)
VB
- 通过VB开发环境设计开发单片机与上位机PC的通讯组件实现了单片机与PC的串行通讯。-VB development environment through the design and development of PC-MCU and host computer communication components implemented SCM and PC serial communication.
keybord
- 51单片机矩阵键盘扫描程序，依据计算器按键设计。-51 MCU matrix keyboard scanning process, based on the design calculator buttons.
51bookpdf
- 51单片机学习的非常好的资料，这本书从浅到深的介绍了51单片机及其外围电路的设计。-51 Single-chip learning is very good information, this book from shallow to deep introduction to the 51 MCU and its peripheral circuit design.
MCUSHUZIWANYONGBIAO
- 单片机做的数字万用表，毕业设计，内含完整论文，源程序-MCU to do digital multimeter, graduation design, containing the full papers, source code
lantern
- 1、设计要求：用单片机设计一个彩灯控制器。 2、技术指标：给出一组彩灯[4个红灯4个绿灯或四个双色灯]。进行软硬件设计完成：彩灯的各种组合状态显示。-1, design requirements: design a lantern controller with microcontroller. 2, Technical Specifications: This paper presents a set of lights [4 red 4 green or four-color lamp
31-34
- 单片机设计实例，包括计数器和现实灯和其他的一些设计-MCU design examples, including counter and realistic lights and some other design
trafficlightpasswordlock
- 内含四个关于单片机的设计，一个交通灯，一个电子密码锁，一个节拍器，一个多首音乐播放器，都附有源程序和电路图，每个都是用c和汇编两种编译软件分别实现-Includes four on the SCM design, a traffic light, an electronic code lock, a metronome, more than one in the first music player, all with source code and circuit diagrams, each
MCU_Digital_Clock
- 单片机的数字钟设计,毕业设计,带Protel图,源代码用proteus软件仿真通过,附有毕设论文-Microcontroller digital clock design, graduate design with Protel map, the source code through the use proteus software simulation, with a Bi-based papers
jiaotongdeng
- 单片机工程案例智能交通灯设计方案及源代码-SCM Case traffic light design and source code
chuanwendu
- 51单片机设计的热表系统，串口传送温度差，单簧管脉冲控制中断计费。精确延时控制DS18B20,程序内有详细中文说明。-51 Single-chip design of heat meter system, serial transfer temperature difference, clarinet impulse control interrupt billing. Precise delay control DS18B20
COMX_source
- 51单片机实现目标板上 一串口到多串口的选择切换。 COMX下行口（接被监控设备）为16路RS232，上行口（接管理PC）为1路RS232或1路10BASE-T。 COMX支持四级级联。 包中源码为标准A51代码，可用KEIL直接编译生成可烧写文件，本设计应用目标芯片为at89s52。-51 MCU target board over a serial port to the serial port selection switches. COMX down mouth (then
Englishversionof51SCM
- 英文版的51单片机详细介绍和有关设计，很清晰的，值得一看，一查-English version of 51 SCM, and the design details, it is clear, and worth a look, a check
EmbedhardwareDesign
- 嵌入式硬件设计，特别是稳定可靠性设计大全。是嵌入式单片机，MCU系统硬件设计的基础-Embedded hardware design, in particular, is to stabilize the reliability design Daquan. Embedded microcontroller, MCU-based system hardware design