LED 线阵显示装置, 分为 LED 线性旋转显示主机和图文录入器两部分。主机用直流电机带动由红绿 LED 组成的线阵旋转, 同时线阵按照时序依次切换显示状态, 在固定区域利用视觉暂留效果形成 16×16 点阵, 用以显示图文;图文录入器用 HMI 触控屏作为人机交互界面, 实现图文录入和回放功能。主机与图文录入器通过无线通信方式进行信息交互,可由图文录入器控制主机切换不同工作任务, 以及改变线阵显示内容。The LED linear array display device is divided into two parts:the one is the main unit used to display content,and the OTHER one is used to input the contents.The main unit is driven by a DC motor to rotate the linear array composed by red and green light emitting diodes.At the same time,the 16×16 dot matrix that switching the display state according to the time sequence on the main unit displays pictures and texts in the fixed area,by using the visual temporary effect.The HMI touch screen is used as human machine interface to realize the function that input and playback pictures and texts.The two parts of the device communicate with each OTHER through wireless communication.The image and text input controller can control the main unit to switch different tasks and change the content of linear array displayed.
标签： stc12c5a60s2 单片机 led
上传时间： 2022-03-28
上传用户：jiabin
多功能智能遥控窗帘系统广泛地应用于家居、办公室等场合,同时也是智能家居的一部分。该设计主要利用STC89C52单片机核心电路、光敏电阻电路、步进电机电路、温湿度传感器、红外线控制电路、AD转换电路、LCD1602液晶显示屏等模块完成精确控制窗帘的开和关。multi-functional intelligent remote control curtain system is widely used in home,office and OTHER occasions,and is also part of intelligent home.The design mainly uses STC89 C52 single-chip core circuit,photosensitive resistor circuit,stepping motor circuit,temperature and humidity sensor,infrared control circuit,AD conversion circuit,LCD1602 LCD display and OTHER modules to achieve accurate control of the curtain opening and closing.
上传时间： 2022-03-28
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文章提出了一种基于AT89S51单片机的智能家居系统的设计,该系统具有室内煤气以及烟雾的检测、家庭室内防盗等功能。文章详细分析了系统的总体设计,详尽分析并设计了煤气传感器模块、烟雾传感器模块、人体红外感应传感器模块、报警模块等各硬件部分,并利用PROTUES软件进行了系统仿真。仿真结果证明:系统具有成本低、效率高、操作方便等优点,达到了预期设计的效果。This paper presents the design of an intelligent home system based on AT89S51 microcontroller.The system has the functions of detecting indoor gas and smoke,guarding against theft in the home,and so on.The overall design of the system is analyzed in detail.The gas sensor module,smoke sensor module,human infrared sensor module,alarm module and OTHER hardware parts are analyzed and designed in detail,and the system simulation is carried out using PROTUES software.The simulation results show that the system has the advantages of low cost,high efficiency,convenient operation and so on,and achieves the expected design effect.
上传时间： 2022-03-28
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在传统智能小车驱动电路设计中,较多考虑使用直流电机还是步进电机,电机功率、能耗等性能参数。使用具有armCortexM4内核的STM32嵌入式平台控制四轮的4个直流电机。文章基于PWM技术及PID算法,对四轮进行精准地速度、转向及启停控制,实验表明此小车具有优越各种地形适应能力。In the traditional intelligent car drive circuit design,DC motor or stepping motor,motor power,energy consumption and OTHER performance parameters are considered.The four DC motors with four wheels are controlled by STM32 embedded platform with arm Cortex M4 kernel.Based on the PWM technology and PID algorithm,the accurate ground speed,steering,and start-stop control of the four wheels are carried out.The experiment shows that the vehicle has the superior adaptability to all kinds of terrains.
上传时间： 2022-04-02
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介绍一种万能模拟信号输入采集电路,可以同时支持电压、电流、热电偶、热电阻等常见的工业类型信号,方便后级电路的测量。该研究成果通过不断优化和完善,已成功应用到了中控仪表的新产品中。The paper introduces a collection circuit of universal signal input. The circuit support voltage, current, thermocouple, thermal resistance and OTHER common industrial type signal. The research results, which has been continuous optimized and improved, has been successfully applied to the new production of Zhejiang Supcon Instrument Co., Ltd.
标签： 采集电路
上传时间： 2022-04-21
上传用户：slq1234567890
如果在调谐器或电视机附近使用本机或任何其他使用微处理器的电子设备，则可能会产生图像的噪声或干扰。如果发生这种情况，请采取以下步骤将本机安装在尽可能远离调谐器或T的地方。远离调谐器或T，远离本机的电源线和输入/输出连接电缆。尤其在使用室内天线或300欧姆馈线。我们建议使用室外天线和75 Q / ohm同轴电缆Noise or disturbance of the picture may be generated if this unit or any OTHER electronic equipment using microprocessors is used near a tuner or TV If this happens, take the following stepsInstall this unit as far away as possible from the tuner or T Run the antenna wires from the tuner or T away from this unit ' s power supply cord and input/output connection cables. Noise or disturbance tends to occur particularly when using indoor antennas or300 ohm feeder wires. We recommend using outdoor antennas and 75 Q/ohm coaxial cables
标签： 功放
上传时间： 2022-04-22
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RX-8801 SA Features built-in 32.768 kHz DTCXO, High Stability Supports l'C-Bus's high speed mode (400 kHz)Alarm interrupt function for day, date, hour, and minute settings Fixed-cycle timer interrupt function Time update interrupt function32.768 kHz output with OE function Auto correction of leap years Wide interface voltage range: 2.2 V to 5.5 V Wide time-keeping voltage range:1.8 V to 5.5 V Low current consumption: 0.84A/3V (Typ.)is an IC bus interface-compliant real-time clock which includes a 32.768 kHz DTCXO In addition to providing a calendar (year, month, date, day, hour, minute, second) function and a clock counter function, this module provides an abundance of OTHER functions including an alarm function, fixed-cycle timer unction, time update interrupt function, and 32.768 kHz output function.The devices in this module are fabricated via a C-MOS process for low current consumption, which enables ong-term battery back-up.
上传时间： 2022-06-17
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上传时间： 2022-06-18
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上传时间： 2022-06-25
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PrefaceDuring the past years, there has been a quickly rising interest in radio access technologies for providingmobile as well as nomadic and fixed services for voice, video, and data. The difference indesign, implementation, and use between telecom and datacom technologies is also becoming moreblurred. One example is cellular technologies from the telecom world being used for broadband dataand wireless LAN from the datacom world being used for voice-over IP.Today, the most widespread radio access technology for mobile communication is digital cellular,with the number of users passing 5 billion by 2010, which is more than half of the world’s population.It has emerged from early deployments of an expensive voice service for a few car-borne users,to today’s widespread use of mobile-communication devices that provide a range of mobile servicesand often include camera, MP3 player, and PDA functions. With this widespread use and increasinginterest in mobile communication, a continuing evolution ahead is foreseen.This book describes LTE, developed in 3GPP (Third Generation Partnership Project) and providingtrue 4G broadband mobile access, starting from the first version in release 8 and through the continuingevolution to release 10, the latest version of LTE. Release 10, also known as LTE-Advanced,is of particular interest as it is the major technology approved by the ITU as fulfilling the IMTAdvancedrequirements. The description in this book is based on LTE release 10 and thus provides acomplete description of the LTE-Advanced radio access from the bottom up.Chapter 1 gives the background to LTE and its evolution, looking also at the different standardsbodies and organizations involved in the process of defining 4G. It also gives a discussion of the reasonsand driving forces behind the evolution.Chapters 2–6 provide a deeper insight into some of the technologies that are part of LTE and itsevolution. Because of its generic nature, these chapters can be used as a background not only for LTEas described in this book, but also for readers who want to understand the technology behind OTHERsystems, such as WCDMA/HSPA, WiMAX, and CDMA2000.Chapters 7–17 constitute the main part of the book. As a start, an introductory technical overviewof LTE is given, where the most important technology components are introduced based onthe generic technologies described in previous chapters. The following chapters provide a detaileddescription of the protocol structure, the downlink and uplink transmission schemes, and the associatedmechanisms for scheduling, retransmission and interference handling. Broadcast operation andrelaying are also described. This is followed by a discussion of the spectrum flexibility and the associated
上传时间： 2022-07-08
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