This design is based on the STC89C52RC single chip microcomputer and the integration of various multi-function modules to complete the overall system control. It is composed of the core modules of humidity detection, relay drive, metal detection, intelligent alarm, MQ-2 smoke sensor, infrared sensing, ultrasonic detection, etc. We collect specific information through ultrasonic testing, and LCD1602 displays the current status; an infrared sensor and a smoke sensor are used for relevant monitoring; a humidity sensor and metal sensor automatically remind us to classify and put garbage; a relay analog control trash can automatically open and close. The system has the characteristics of ideal performance, low cost, convenient design, simple structure, and intelligence. It has found a feasible solution for the current environmental pollution problem to do garbage classification and treatment. It can play an important role in smart homes, smart campuses, intelligent transportation, telemedicine, and other fields, and will have a broader market prospect and application fields.

In the traditional laboratory engineering bacteria culture work, it is necessary to frequently sample the bacterial solution and judge the growth period by photometric method. These operations are accompanied by pollution risk and the change of culture environment. In this paper, a design scheme of illumination monitoring algorithm of new spectrophotometer based on single chip microcomputer is proposed, The absorbance value is calculated by single chip microcomputer and the threshold is preset to trigger the induction action, so that the whole process from the beginning of culture to the triggering induction of engineering bacteria can be intelligent, automatic and non-contact. The new spectrophotometer takes STM32F103 series processor as the main control chip, and the system is mainly composed of main control board and induced action trigger device. The main control board mainly includes optical density calculation, 12 LED light control, 12 action machine control and human-computer interaction module; The induced action trigger device is composed of motor, bh1750 module, monochrome light source and other parts, which can realize illuminance detection, absorbance calculation, preset absorbance value and trigger the action machine. The system automatically adjusts the working mode of the sensor through the matrix keyboard input, displays the image through a liquid crystal display, uses the bh1750 illuminance sensor module to convert the input illuminance signal into electrical signal for wired output, processes the sensor data through MCU, performs logical operation with the preset value and performs corresponding action. The main control part of the system is small, and the detection method is simpler and faster than the traditional detection. The logic operation part is cleverly designed, the trigger time of the induced action is flexible and adjustable, and there is an adjustable timer after the induced action is triggered.

本系统是以单片机为核心处理器、半导体制冷片、热敏电阻等构成的一款高效笔记本散热器.具体实现功能如下:当用户的笔记本电脑发热且被设备检测到温度过高时,就会自动开启制冷系统,这时设备就处于工作模式,对用户的电脑进行降温;当用户自己觉得电脑温度过高且需要开启制冷系统时,用户亦可自行通过按散热器上的按钮开启制冷系统,对电脑设备进行降温操作.

The system is composed of STC single chip microcomputer, color signal recognizer and sensor control module, wireless communication control module, voice and video synthesizer and broadcast control module. STC MCU adopts STC89C52; color recognition sensor module uses gy-33 color recognition sensor, which can identify the current traffic light conditions; wireless communication module uses nRF24L01 made by Nordic company, which needs to be installed at the sending end and the receiving end to send the current traffic light information; the speech synthesis broadcasting module uses the TTS speech synthesis broadcasting module xfs5152ce of iFLYTEK, after data recognition and analysis, it finally sends voice alarm about traffic lights to the blind, so as to effectively guide the blind whether it can pass through, so as to ensure the safety of the blind. This design combines artificial intelligence with daily life, which not only meets the development trend of the information age, but also meets the needs of the current society. It has a broad market prospect in the application of intelligent travel.

Based on the TGAM (ThinkGear Asic Module) EEG sensor, this paper mainly carried out the research and design of intelligent car control method. By collecting brainwave and analyzing TGAM output data, the required concentration parameters can be obtained. STM32F1 series MCU is used as the main controller to analyze data and control the car. The bluetooth module based on Bluetooth 4.0 technology is used to realize data communication. The power system includes L298N motor drive module, two independent DC motor and universal wheel. The software part mainly uses C language for development, the core part of the program is ThinkGear communication protocol analysis. Finally, the design realizes the control of the vehicle motion state through different values of concentration, which lays a foundation for further popularization and application.

为推动高等院校信息化教学改革的全面发展，本研究以三所高校部分教师为研究调查对象，采用网上问卷调查法， 综合客观分析了独立学院教师信息化教研能力现状，并探讨了提升其信息化教研能力的有效途径。

This design is based on the open source Android version 8.0 system to develop the mobile phone platform client, using the eclipse integrated development environment to research and develop Bluetooth control. The remote control of the car is realized by Bluetooth technology, gravity sensor and voice. The design is mainly composed of hardware system and software system. It can realize the car’s forward, backward, rear left turn, rear right turn, front left turn, front right turn and other functions. This design scheme provides a new solution for the design and implementation of wireless remote control vehicle, and also plays a certain reference role for the design of remote control smart home system in the future.

本设计主要研究通过温度传感器收集外界环境中的温度,并通过升温模块,加湿模块和震动式按摩模块做出相应的渐变式处理.研究的内容主要包括对于外界环境中的温度信号采集和分析处理、震动、加温、加湿模块循环调动、STC89C2单片机的编程、继电器的控制等.在系统硬件的设计上是采用了模块化的设计,先对各个模块进行单独的测试,然后将其组装一起来进行调试;在系统软件设计上主要是采用了自下而上的一种模块化编程技术,LCD液晶可以实时地显示当前的天气、时刻和温度等相关数据,最终能够实现智能多功能眼部保护仪的工作过程中所有相关数据的控制,并且实时地显示温度等数据.

本设计是在STM32F407VET6硬件平台上实现的一款基于体感控制技术的智能工程车,设计的主体结构由控制器端和小车端两部分组成.其中控制器端的体感控制部分借助MPU6050六轴传感器模块实现,其采集完控制器的姿态数据后,经自带DMP库进行解算得出相应的姿态解算数据,MCU再进行相应公式的换算,并调用相关的函数完成控制过程.整个系统采用蓝牙通信,为了达到精确控制的目的,运用PID算法完成相关控制过程.此外,还拓展摇杆按键和手机APP两种控制方式,可在不同的应用场景下切换不同的控制方式.

本文讨论了网课教学模式下《单片机原理及应用》这门课的网课授课模式,在疫情下无法正常开学,选择那种网络授课模式能让学生得到更好的学习效果,能否通过选择合适的网络授课模式,来适应不同学生的知识水平.通过整个学期的实践,将MOOC和直播课堂这两种教学模式的成果进行了分析,并简要讨论了不同层次学生网络授课模式的优劣.论文简要介绍了《单片机原理及应用》的两种网课教学模式的思路与具体做法.

本设计是在传统显示屏上加入了特殊背景从而实现仿全息投影效果的一种视频播放器.通过CAD制图制作框架,并且使用播放驱动板驱动显示屏,根据多种不同的接口实现相对应的功能,使其能播放具有立体观看效果的视频素材.

本文讨论了《单片机原理及应用》在教学方式上的改变对教学效果的影响,在国家对云计算大数据日益重视的情况下,对于单片机这门课教学方式的改变,能否提高课学生的动手能力实践能力.对于基础不够扎实,理论知识偏少的学生而言,课堂方式是否应该适当修改以适应学生的知识水平.通过教学改革,改变过去照搬课本的教学方法,使学生能更快的上手单片机,并进行项目开发,是教学方式改革的目的.论文简要介绍了《单片机原理及应用》的教学方式改革的思路与具体做法.

Abstract The design of wireless remote control intelligent car uses PC-side LabVIEW host computer control software responsible for the interaction interface with the car, uses serial communication module APC220-43, one is connected to the PC to send commands from the host computer, the other is connected to the Arduino UNO to receive instructions from the host computer, and uses open source MCU controller Arduino UNO lower computer is responsible for receiving, parsing and executing instructions sent by LabVIEW. The upper computer and the lower computer carry out long-distance transmission of instructions through APC220-43 wireless serial communication module to realize the remote control of the car and the measurement of temperature, humidity and distance data. This design scheme provides certain reference value for the design fields of smart home, smart transportation, remote assistance, etc.

This design uses STM32 microcontroller as the core controller of the mechanical arm, transplants Linux operating system to the S3C2440 development board and establishes the LAN server, realizes multiple functions and a variety of control mode: Android mobile app, personal PC in the local area network and gesture-sensing gloves can be used to control mechanical arm, it can also make the operation automatically. At the same time, because the server built, Linux system and QT interface transplanted are on S3C2440, so that the development board and all computers in the local area network can monitor the mechanical arm. This design is widely used in the field of intelligent industry, environmental exploration, intelligent home and so on.

ECG acquisition and monitoring system has important significance in the diagnosis of cardiovascular disease and the maintenance of health. This article thoroughly and systematically introduces the design of A low power portable ECG monitoring system. The system functions include ECG acquisition, signal conditioning, digital filtering, dynamic electrocardiogram display, data local storage and remote transmission, etc. The ECG acquisition unit uses ADI ECG monitor to simulate the front-end AD8232, the main control unit adopts 16-bit low-power MSP430F5529 MCU of Texas Instrument, the display unit can realize local LCD display and Android client displays, and the data transmission unit can achieve accessing to the Internet via UART to WIFI converter and the remote data transmission. The portable ECG monitoring system is of great value, which can be put into use only with a little package.

本设计利用8051单片机智能控制与管理测距模块、液晶屏显示、键盘输入、抽水泵等工作.通过测距模块对蓄水池内的水量情况进行实时监测,并用显示模块进行显示.通过外接键盘输入,对喷洒间隔、喷洒量进行设置.本系统功能为现代化的喷灌技术,能有效实现智能灌溉,无需过多人工干预,且达到节约水资源的目的.

本设计是以单片机作为智能控制系统,通过测距模块实时监测蓄水池内水量的情况、温湿度传感器实时检测空气与土壤的温度与湿度,外围通过ADC0832转换器模块、LCD显示模块、输入模块、抽水泵模块等最终实现实时监控并显示空气与土壤的温湿度和蓄水池内的水量,并能完成定期定量智能灌溉的任务.本项目在电路设计上主要是以创新节能为主;在元件材料选择上以小巧轻便易于携带为主;在硬件组合上采用独立性高的模块化设计;在软件编程上采用易于调用的嵌套编程方案.通过以上设计,能在LCD液晶显示屏上高效精确显示当前空气与土壤的温度、湿度和当前蓄水池水量,在节约水资源和解放双手的同时实现了智能灌溉.

随着电子信息技术的不断融合以及信息产品的融合,结合三本院校学生培养的特点、当前EDA教学状况及多年EDA教学经验,对EDA课程的实践教学采用分层次、项目任务驱动、企业真实项目等教学方法进行了实践和探索,以此来提高学生的实践动手能力和工程设计能力,以适应以后的工作需要,增强差异化社会竞争能力.

采用分子动力学方法研究含有表面缺陷的氮化镓材料的二次外延生长过程,探讨生长温度,表面缺陷数量和缺陷结构等对二次生长材料质量的影响.发现当在生长表面随机引入3.125％占比的空位缺陷且生长温度在1 373 K以上时,对材料质量的影响不明显;当随机引入12.5％占比的空位缺陷时,可以改善二次生长材料的质量;当在生长表面上引入12.5％占比的2个六边形结构空位缺陷时,缺陷区域出现大量原子的岛状生长,同时原子排列变得无序,二次生长的材料生长质量明显劣化.

采用分子动力学方法对氮化铝材料的表面热氧化过程进行了研究,开发了包含Al、N和O三种元素的反应势,探讨了氧化温度和时间对材料结构的影响.发现温度越高氧化反应越容易进行,氧扩散进入纤锌矿结构的氮化铝表面后会生成Al-O-N无定型结构的氧化膜,氧化时间增长时会阻止材料的进一步氧化.