搜索：function - 虫虫下载站

技术资料  基于AT89S51单片机的温湿度监测与控制系统设计

该系统的设计是基于AT89S51单片机和DHT11温湿度传感器来完成温湿度监测和控制功能,能显示当前的实时温度、湿度,并实现升温、降温、加湿、除湿的系统控制。该设计由硬件设计和软件设计两部分构成。硬件设计主要根据控制系统的结构和功能进行硬件选型包括AT89S51单片机、DHT11温湿度传感器、液晶显示屏等。软件程序设计主要包 ...

https://www.eeworm.com/dl/895590.html

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at89s51 单片机温湿度监测控制系统

技术资料  基于单片机的幼儿防触风扇控制系统设计

风扇是大众电器,技术的发展,风扇的功能日趋多元,各种新型风扇相继问世。然而,却鲜有商家在设计产品时考虑到风扇的使用安全问题。本论文将介绍一种基于单片机的幼儿防触风扇系统,设计通过检测接近物的实时距离来控制电风扇的启停。系统主要选用STC89C52单片机作为控制中心,HC-SR04超声波传感器检测实时距离,液晶屏显示实时距 ...

https://www.eeworm.com/dl/896571.html

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单片机

单片机编程  基于C8051F040的方位角测试系统

提出一种基于C8051F040的炮塔方位角测试系统的设计方案，给出测试系统的各个模块软硬件设计。炮塔方位角测试系统集数据采集，数据传输和数据显示等功能于一体，实现了炮塔方位角装置的离线检测。系统软件采用C51编写，对单片机进行有效电源管理，保证了系统的稳定性，可靠性。 Abstract: &nbsp;This paper puts forwards ...

https://www.eeworm.com/dl/502/29203.html

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C8051F040 方位角测试系统

单片机编程  基于MSP430F247和TMP275的测温仪

介绍了一种TI公司最新推出的MSP430F247单片机，利用它自带的I2C模块驱动I2C总线的温度传感器TMP275。TMP275是一款具有高精度、低功耗的新型温度传感器。由于TMP275具有可编程功能，纤小的封装以及极大的温度范围，因而广泛应用于组建超小型温度测量装置。 Abstract: &nbsp;A new single chip microcomputer MSP430F247 w ...

https://www.eeworm.com/dl/502/29213.html

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430F F247 MSP 430

单片机编程  PCA9549 Octal bus switch with

The PCA9549 provides eight bits of high speed TTL-compatible bus switching controlledby the I2C-bus. The low ON-state resistance of the switch allows connections to be madewith minimal propagation delay. Any individual A to B channel or combination of channelscan be selected via the I2C-bus, determi ...

https://www.eeworm.com/dl/502/31009.html

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switch Octal 9549 with

单片机编程  68HC05K0 Infra-red Remote Cont

The MC68HC05K0 is a low cost, low pin countsingle chip microcomputer with 504 bytes of userROM and 32 bytes of RAM. The MC68HC05K0 isa member of the 68HC05K series of devices whichare available in 16-pin DIL or SOIC packages.It uses the same CPU as the other devices in the68HC05 family and has the s ...

https://www.eeworm.com/dl/502/31394.html

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Infra-red Remote Cont 05K

DSP编程  基于DSP Builder数字信号处理器的FPGA设计

针对使用硬件描述语言进行设计存在的问题，提出一种基于FPGA并采用DSP Builder作为设计工具的数字信号处理器设计方法。并按照Matlab/Simulink/DSP Builder/QuartusⅡ设计流程，设计了一个12阶FIR 低通数字滤波器，通过Quartus 时序仿真及嵌入式逻辑分析仪SignalTapⅡ硬件测试对设计进行了验证。结果表明，所设计的FIR 滤波 ...

https://www.eeworm.com/dl/516/31995.html

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Builder FPGA DSP 数字信号处理器

源码/资料  Displaying a large bitmap file on a dialog box, in its original size, is quite difficult in the VC++

Displaying a large bitmap file on a dialog box, in its original size, is quite difficult in the VC++ environment. However, it is possible to display a large bitmap to a predefined area of the dialog by using the StretchBlt( ) function.The major disadvantage of this is that the clarity of the image w ...

https://www.eeworm.com/dl/616/102987.html

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Displaying difficult original bitmap

matlab例程  ％ [BestPop,Trace]=fmaxga(FUN,LB,UB,eranum,popsize,pcross,pmutation) ％ Finds a maximum of a functio

％ [BestPop,Trace]=fmaxga(FUN,LB,UB,eranum,popsize,pcross,pmutation) ％ Finds a maximum of a function of several variables. ％ fmaxga solves problems of the form: ％ max F(X) subject to: LB <= X <= UB ％ BestPop--------最优的群体即为最优的染色体群％ Trace----------最佳染色体所对应的目标函数值％ ...

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pmutation BestPop popsize maximum

技术资料  PW4556_2.0.pdf规格书下载

The PW4556 series of devices are highly integrated Li-Ion and Li-Pol linear chargers targetedat small capacity battery for portable applications. It is a complete constant-current/ constantvoltage linear charger. No external sense resistor is needed, and no blocking diode is required dueto the inter ...

https://www.eeworm.com/dl/829493.html

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pw4556

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