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  • 多路温度采集及监控系统的设计

    介绍一种基于单片机的多路温度采集及监控系统,能够测量6路温度信号,具有计算机联网功能,各测量点可以单独监控和设置,可根据用户的需求自动控制。测量温度范围为-10 ℃~200 ℃,控制方式采用模拟量调压模式。该系统具有控制精度高、冲击小等特点。 Abstract:  A temperature collecting and surveillance-contr ...

    /dl/29335.html

    标签: 多路 温度采集 监控系统

    上传时间: 2013-10-23

    上传用户:bjgaofei

  • 基于C8051F930的管道温度压力远程监测系统

       为解决输油管道温度压力参数实时监测的问题,设计了以C8051F930单片机作为控制核心的超低功耗输油管道温度压力远程监测系统。现场仪表使用高精度电桥采集数据,通过433 MHz短距离无线通信网络与远程终端RTU进行通信,RTU通过GPRS网络与PC上位机进行远程数据传输,在上位机中实现数据存储和图形化界面显示,从 ...

    /dl/29360.html

    标签: C8051F930 温度 压力 远程监测系统

    上传时间: 2013-11-07

    上传用户:cuibaigao

  • PCF2116系列LCD驱动器芯片简介及封装库

    1 FEATURES· Single chip LCD controller/driver· 1 or 2-line display of up to 24 characters per line, or2 or 4 lines of up to 12 characters per line· 5 ′ 7 character format plus cursor; 5 ′ 8 for kana(Japanese syllabary) and user defined symbols· On-chip:– generation of LCD supply voltage (exte ...

    /dl/29370.html

    标签: 2116 PCF LCD 驱动器芯片

    上传时间: 2013-11-08

    上传用户:laozhanshi111

  • SN65LBC170,SN75LBC170,pdf(TRIP

    The SN65LBC170 and SN75LBC170 aremonolithic integrated circuits designed forbidirectional data communication on multipointbus-transmission lines. Potential applicationsinclude serial or parallel data transmission, cabledperipheral buses with twin axial, ribbon, ortwisted-pair cabling. These devices ...

    /dl/29512.html

    标签: 170 LBC SN TRIP

    上传时间: 2013-10-13

    上传用户:ytulpx

  • FREERTOS的官方移植文档

    FeaturesThe following standard features are provided.• Choice of RTOS scheduling policy1. Pre-emptive:Always runs the highest available task. Tasks of identical priorityshare CPU time (fully pre-emptive with round robin time slicing).2. Cooperative:Context switches only occur if a task blocks, ...

    /dl/30820.html

    标签: FREERTOS 移植 文档

    上传时间: 2013-10-13

    上传用户:13162218709

  • SJA1000 Stand-alone CAN contro

    The Controller Area Network (CAN) is a serial, asynchronous, multi-master communication protocol forconnecting electronic control modules, sensors and actuators in automotive and industrial applications.With the SJA1000, Philips Semiconductors provides a stand-alone CAN controller which is more than ...

    /dl/30964.html

    标签: Stand-alone contro 1000 SJA

    上传时间: 2013-11-18

    上传用户:yxgi5

  • Using the P82B715 I2C extender

    The P82B715 I2C Buffer was designed toextend the range of the local I2C bus out to50 Meters. This application note describesthe results of testing the buffer on severaldifferent types of cables to determine themaximum operating distances possible. Theresults are summarized in a table for easyreferen ...

    /dl/31084.html

    标签: extender P82B715 Using I2C

    上传时间: 2014-12-28

    上传用户:lou45566

  • 状态机设计

    状态机设计:8.1.1 数据类型定义语句TYPE语句的用法如下:TYPE 数据类型名IS 数据类型定义OF 基本数据类型;或TYPE 数据类型名IS 数据类型定义;TYPE st1 IS ARRAY ( 0 TO 15 ) OF STD_LOGIC ;TYPE week IS (sun,mon,tue,wed,thu,fri,sat) ; 8.1.1 数据类型定义语句TYPE m_state IS ( st0,st1,st2,st3,st4,st5 ) ;S ...

    /dl/31241.html

    标签: 状态

    上传时间: 2013-11-05

    上传用户:nem567397

  • XAPP520将符合2.5V和3.3V I/O标准的7系列FPGA高性能I/O Bank进行连接

    XAPP520将符合2.5V和3.3V I/O标准的7系列FPGA高性能I/O Bank进行连接  The I/Os in Xilinx® 7 series FPGAs are classified as either high range (HR) or high performance (HP) banks. HR I/O banks can be operated from 1.2V to 3.3V, whereas HP I/O banks are optimized for operation between 1.2V and ...

    /dl/32622.html

    标签: XAPP FPGA Bank 520

    上传时间: 2013-11-19

    上传用户:yyyyyyyyyy

  • 各种功能的计数器实例(VHDL源代码)

    各种功能的计数器实例(VHDL源代码):ENTITY counters IS  PORT  (   d  : IN  INTEGER RANGE 0 TO 255;   clk  : IN BIT;   clear : IN BIT;   ld  : IN BIT;   enable : IN BI ...

    /dl/32721.html

    标签: VHDL 计数器 源代码

    上传时间: 2014-11-30

    上传用户:半熟1994