System Overview This gas leakage alarm system uses the AT89C51 microcontroller as the controller, the MQ-2 gas sensor as the detection element, and the LM016L LCD display as the output device, along with a buzzer and LED alarm light. When a gas leak is detected, the system displays a warning message on the LCD while … Read more
“Optimizing PLC Intelligent Alarms: A 90% Reduction in False Alarm Rate! 3 Strategies to Make Equipment ‘Speak the Truth’” Hello everyone! Today we are going to tackle the century-old headache for industrial control professionals — the PLC alarm system always crying ‘wolf’! The equipment is perfectly fine, yet the alarm light flashes more energetically than … Read more
1. Introduction The alarm system with rotating light project is a typical embedded system application that combines sound alarms and visual indicators. It is widely used in various scenarios such as security monitoring, emergency evacuation, traffic signals, and entertainment devices. Based on the 8051 microcontroller, it provides an integrated sound and visual alarm solution, enhancing … Read more
Below is the micro-course video Please click the play button to watch 1. Introduction to the New Lesson: Understanding the World of Open Source Hardware 2. Task One: Recognizing Various Open Source Hardware Development Boards 3. Task Two: Understanding Hardware Wiring Rules 4. Task Three: Understanding Hardware-Software Matching Rules Game Development Board Improvement Board Friends … Read more
Author Introduction: Yan Hanbing, PhD, Professor, Doctoral Supervisor, East China Normal University, Open Education College (Shanghai 200062); Wang Wei, Master’s Student, East China Normal University, Department of Educational Information Technology (Shanghai 200062). Funding Project: Major Project of National Social Science Fund for 2018 “Information Technology Promotes Fairness in Basic Education in the New Era” (18ZDA335). … Read more
Click the title below “First Education Professional Circle” to quickly follow AbstractBlended teaching, as a teaching model that integrates the advantages of offline and online teaching, is more conducive to promoting students’ autonomous learning and is more suitable for project-based learning aimed at solving real-world problems. This study takes the “Intelligent Product Design and Production” … Read more
Editor’s Note: In 2017, the “Guidelines for Comprehensive Practical Activities Curriculum in Primary and Secondary Schools” issued by the Ministry of Education pointed out that comprehensive practical activities are interdisciplinary practical courses that start from the real life and development needs of students, discover problems from life situations, transform them into activity themes, and cultivate … Read more
Full Analysis of Alarm Interlock Emergency Shutdown Systems, Learn to Avoid Pitfalls! Today, let’s talk about a classic project in Siemens PLC programming—the alarm interlock emergency shutdown system. This is a very practical system frequently encountered in factories, but if not handled correctly, the machines may suddenly stop working at any time. So, let’s directly … Read more
Leakage Monitoring and Protection, Solve Safety Issues with PLC! Leakage monitoring and protection are key aspects of distribution systems, and they can be easily implemented using Siemens PLC. Today, let’s discuss how to use the S7-1200 to create a leakage monitoring and protection system to address potential safety hazards on-site. Real-Time Leakage Monitoring + Quick … Read more
System Login Browser Requirements: It is best to use Google Chrome, followed by IE11 or 360 Browser (Speed Mode) 1. Address Access Login: 1. http://10.142.1.45:18001/vsmsuap/sdk/main/index.jsp 2. Enter the enterprise portal account and password to log in 2.Enterprise Portal Single Sign-On: 1. Log in to the enterprise portal address: http://10.142.13.152/siteIndex.htm 2. After logging in to your … Read more