基于通识教育的物联网教学实验设计  

Teaching Experiment Design of Internet of Things Based on Liberal Education

作　　者：王自珍[1] 汪洋堃 张峰[1] WANG Zizhen;WANG Yangkun;ZHANG Feng(Electrical and Electronic Experimental Teaching Center,Shanghai Jiao Tong University,Shanghai 200240,China)

机构地区：[1]上海交通大学电工电子实验教学中心,上海200240

出　　处：《实验室研究与探索》2022年第9期242-246,共5页Research and Exploration In Laboratory

摘　　要：在高校广泛开展通识教育的背景下,设计了物联网教学实验,将当前万物互联的物联网应用通过实验方式引入通识教育的课堂。针对通识教育课程的授课对象为跨专业、年级及不同学习背景的学生,实验在保留物联网系统基本组成的前提下,精简系统结构,在物联网系统的感知层选择温度传感器、散热风扇等典型基础器件作为传感器及控制对象;在传输层选择成本低、开发友好的ESP8266无线模块用于无线通信传输,兼顾作为应用层中被控设备终端的控制器,优化硬件结构,并选择使用网络微数据库作为服务器端的数据管理,让学生以简单直观的方式体验数据云存储;在应用层的用户终端使用Android系统,采用MIT APPInventor图形编程平台开发应用APP,便于学生进行个性化设计。最后以智慧大棚温度调控实验为例介绍了具体的实验过程。通过实验,不同知识背景的学生运用物联网技术设计并实现各类创新应用,取得了较好的教学效果。This paper designs ateaching experiment based onthe Internet of Things(IoT),which introduces the popular application of the IoT into the experimental subjectsof liberal education.For liberal education courses,the students come from different majors,grades and learning backgrounds,the proposed experiment simplifies the system structure of the IoT.In the sensing layer of the IoT system,typical basic devices such as temperature sensors and heat dissipation fans are selected as objects to be controlled.In the transport layer,the ESP8266 wireless module which is low cost and easy to operate,is selected as the wireless communication transmissionand the local controller of the device terminal is used to optimize the hardware structure.TinyWebDB is selected as server manager for convenient use of cloud storage.Android system is selected as the user terminal in the application layer,and the application APP is developed through the MIT APPinventor graphical programming platform for customized design.Moreover,a smart greenhouse is employed to specify the experimental process details.Through experiments,students with different knowledge backgrounds candesign and complete the practical application of the IoT,which has achieved good teaching effects.

关 键 词：通识教育 物联网技术 教学实验 感知层 传输层 应用层 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]