Description: 基于51单片机、MAX7219和DS12887的电源开关节能控制器程序。通过按键控制，用户可以预置开启关闭电源的时间，通过LED驱动芯片MAX7219驱动数码管实现人机界面。-based microcontroller, MAX7219 and the power switch DS12887 energy-saving controller program. Through the control buttons, users can turn off the power to open preset time, by the LED driver chip digital control MAX7219 drive to achieve human-machine interface. Platform: |
Size: 3438 |
Author:Jeff |
Hits:
Description: 基于51单片机、MAX7219和DS12887的电源开关节能控制器程序。通过按键控制，用户可以预置开启关闭电源的时间，通过LED驱动芯片MAX7219驱动数码管实现人机界面。-based microcontroller, MAX7219 and the power switch DS12887 energy-saving controller program. Through the control buttons, users can turn off the power to open preset time, by the LED driver chip digital control MAX7219 drive to achieve human-machine interface. Platform: |
Size: 3072 |
Author:Jeff |
Hits:
Description: 秒表/时钟计时器的设计采用AT89C52单片机，最小化应用设计；采用共阳七段LED显示器，P0口输出段码数据，P2.0-P2.5口作列扫描输出，P1.0、P1.1、P1.2口接三个按钮开关，用以调时及功能设置。为了提供共阳LED数码管的驱动电压，用三极管8550作电源驱动输出。-Stopwatch/Clock timer AT89C52 single-chip design, the smallest of the application of design the use of a total of Seven-Segment LED display Yang, P0 paragraph code output data, P2.0-P2.5 I make out scanning output, P1.0, P1.1, P1.2 I take three buttons switch to tune and when the feature set. In order to provide a total of Yang LED digital tube of driving voltage, using 8550 as the power transistor output driver. Platform: |
Size: 17408 |
Author:陈巍巍 |
Hits:
Description: 自己设计的pic单片机开发板源程序和说明书（内有原理图）支持pic16系列28脚和40脚器件。串口输出信息。4个LED数码管驱动；4个LED驱动；4个按键驱动；1个RS232接口；1个RS485接口；板载IIC存储器24C02驱动，；实时时钟；1Wire温度传感器；4通道功率输出驱动；2个继电器驱动；1个蜂鸣器； 2个通道AD转换（使用1个）； 红外收发（保留）； 扩展I/O接口； 按键复位电路； 板载ICSP接口。通过ICD2可在线编程，调试；复用IO均采用拨动开关控制。
-Of their own design Singlechip pic development board and a detailed description of the source program (with schematics) to support the PIC16 family of 28 feet and 40-pin devices. Serial output. 4 LED digital tube driven 4 LED driver four key drivers an RS232 interface an RS485 interface IIC onboard memory 24C02 driven real-time clock 1Wire temperature sensor 4-channel power output driver 2 relay driver a buzzer 2-channel AD converter (using an) infrared transceiver (reservations) expansion of I/O interface button reset circuit onboard ICSP interface. Available online through the ICD2 programming, debugging multiplexing IO using DIP switch control. Platform: |
Size: 2499584 |
Author:chenmao |
Hits:
Description: 本电子钟采用PIC16C55单片机控制，适于温室的定时恒温或自来水的定时定压控制等。PIC16C55单片机工作电压为2.5～6.25V，功耗低、驱动能力强。本电子钟可以控制一路负载在24小时内的3次开/关；一个双限触发的定时输出口，既可接传统的功率保持型继电器，也可接脉冲继电器。本机用四位LED数码管扫描式显示，还有消隐(省电)工作方式，使用起来非常灵活、方便。-The electronic bell used PIC16C55 Singlechip control, suitable for greenhouse thermostat timing timing or water pressure control. PIC16C55 Singlechip operating voltage for the 2.5 ~ 6.25V, low power consumption, driver ability. The electronic bell all the way to control the load within 24 hours of 3 times on/off a double threshold timing trigger output can then maintain the traditional power-type relays, impulse relays can also be received. The machine scans the four LED digital tube display, as well as blanking (power) work, to use a very flexible and convenient. Platform: |
Size: 119808 |
Author:罗志军 |
Hits:
Description: 这段程序是用在一款七彩灯红外遥控解码程序里,单片机使用PIC12F629,软件模拟三路PWM输出驱动红绿蓝LED分八组共24个LED,实现单LED渐明渐暗,两LED一明一暗,七彩等九种花样.有断电记忆功能-This procedure is used in a colorful light infrared remote control decoding procedure, the single-chip using the PIC12F629, the software simulation of three-way PWM RGB LED output driver in eight groups of 24 LED, single LED gradually dimming out, two LED Kazuaki a dark, colorful patterns, such as nine. have power memory function Platform: |
Size: 4096 |
Author:Alin |
Hits:
Description: 该LED点阵显示模块采用AT89C52控制。可显示汉字、图形、动画及英文字符等；显示方式有静态、横向滚动、垂直滚动和翻页显示等。单块模块控制驱动12块（最多可控制24块）8X8点阵，共16X48点阵（或32X48点阵），是单块MAX7219（或PS7219、HD7279、ZLG7289及8279等类似LED显示驱动模块）的12倍（或24倍）！可采用“级联”的方式组成任意点阵大显示屏。显示效果好，功耗小，且比采用MAX7219电路的成本更低。能帮助你更好的学习单片机。-The LED dot matrix display module using AT89C52 control. Can display Chinese characters, graphics, animation and English characters, etc. display has a static, horizontal scrolling, vertical scrolling and page display. Single module control block 12 drives (up to 24 can be controlled) 8X8 dot matrix, a total of 16X48 dot matrix (or 32X48 dot matrix), is a single block MAX7219 (or PS7219, HD7279, ZLG7289 and 8279 and similar LED display driver module) of 12 times (or 24 times)! Can " cascade" approach the composition of arbitrary large dot matrix display. Show the effective power of small, and the MAX7219 circuit than lower cost. Can help you better learning Singlechip. Platform: |
Size: 1370112 |
Author:kd911 |
Hits:
Description: 有一个点阵的资料
该LED点阵显示模块采用AT89C52控制。可显示汉字、图形、动画及英文字符等；显示方式有静态、横向滚动、垂直滚动和翻页显示等。单块模块控制驱动12块（最多可控制24块）8X8点阵，共16X48点阵（或32X48点阵），是单块MAX7219（或PS7219、HD7279、ZLG7289及8279等类似LED显示驱动模块）的12倍（或24倍）！可采用“级联”的方式组成任意点阵大显示屏。显示效果好，功耗小，且比采用MAX7219电路的成本更低。-Have a dot-matrix information of the LED dot matrix display module using AT89C52 control. Can display Chinese characters, graphics, animation and English characters, etc. display has a static, horizontal scrolling, vertical scrolling and page display. Single module control block 12 drives (up to 24 can be controlled) 8X8 dot matrix, a total of 16X48 dot matrix (or 32X48 dot matrix), is a single block MAX7219 (or PS7219, HD7279, ZLG7289 and 8279 and similar LED display driver module) of 12 times (or 24 times)! Can " cascade" approach the composition of arbitrary large dot matrix display. Show the effective power of small, and the MAX7219 circuit than lower cost. Platform: |
Size: 14336 |
Author:kd911 |
Hits:
Description: 大功率白光LED驱动器PT4115的应用介绍，以及大功率白光LED的介绍-High-power white LED driver applications PT4115 introduced, as well as the introduction of high-power white LED Platform: |
Size: 378880 |
Author:gys |
Hits:
Description: 收集的9篇关于LDO的研究生学位论文
1、LDO线性恒流型高亮度LED驱动的研究与设计
2、大电流_高稳定性LDO线性电源芯片的设计和实现
3、带有双电子开关的LDO电源管理芯片的设计
4、高精度_低噪声LDO线性调整器的设计
5、基于单片DC_DC的LDO设计
6、集成于GPS射频芯片的LDO设计
7、具有LDO模式的电流模同步降压型稳压器芯片XD1112设计
8、利用Verilog_A对LDO_Charg_省略_自动切换电源管理芯片的Top_
9、一种基于LDO带隙基准电压源的设计与实现-Collection of nine post-graduate thesis on the LDO 1, LDO linear constant-current high-brightness LED driver based research and design of two large current _ high stability of the LDO linear power chip design and implementation of three, with a pair of electronic switches The LDO power management chip design 4, high-precision low-noise LDO linear regulator _ Design 5, the LDO design based on single DC_DC 6, integrated GPS RF chip LDO design 7, LDO mode with simultaneous reduction of current-mode XD1112-pressure regulator chip design 8, omit the _ use Verilog_A on LDO_Charg_ automatically switch power management chip Top_ 9, based on band-gap reference voltage source LDO Design and Implementation Platform: |
Size: 20733952 |
Author:lyy |
Hits:
Description: 具备40V、1.2A集成开关的高亮度LED驱动器,该产品可驱动多达三个串联1W LED.新型TPS61165器件具备优异的高性能特性以及3V~18V的宽泛输入电压范围,使设计人员能够在采用单节电池供电的应用或9V/12V总线负载点设计中高效管理多个高功率LED.-With 40V, 1.2A integrated switch, high-brightness LED driver can drive up to the product of three series 1W LED. New TPS61165 device' s high performance with excellent features and 3V ~ 18V wide input voltage range, so that designers can use single-cell-powered bus load point of application or 9V/12V design more efficient management of high power LED. Platform: |
Size: 811008 |
Author:JAY |
Hits:
Description: LED （发光二极管）作为一种新型光源，具有高效节能、绿色环保、使用寿命长等其
他光源无法比拟的优点，代表着未来照明技术的发展方向。本文设计了一种以AT89S51 单
片机为核心的家用多功能白光LED 台灯系统，采用PT4115 大功率LED 恒流驱动方案，可
实现对LED 台灯的PWM 多级调光控制；同时，系统兼有时间日历、温度检测、液晶显示、
声光闹钟等多项功能。本文详细给出系统的硬件与软件设计过程。实验证明，该多功能LED
台灯稳定高效，功能丰富，能够满足家庭实际应用的要求。-LED (light emitting diode) as a novel light source, with high efficiency energy saving, environmental protection, long life and other sources can not match the advantages of lighting technology represents the future direction of development. This paper presents a AT89S51 microcontroller to function as the core of the home white LED lamp system, using high-power LED constant current driver programs PT4115, LED lamp can be realized multi-level PWM dimming control the same time, the system both time calendar, temperature measurement, liquid crystal display, sound and light alarm clock and many other features. This article details the hardware and software design process. Experiments show that the multi-function LED lamp stable and efficient, feature-rich, practical applications to meet the requirements of the family. Platform: |
Size: 417792 |
Author:stephen king |
Hits:
Description: 无线LED供电系统设计，只要介绍了一种LED驱动的设计-Wireless LED power supply system design, as long as the introduction of a LED driver design Platform: |
Size: 1527808 |
Author:呆木头 |
Hits:
Search - Power led driver