1. Experiment Objectives (1) Understand the basic principles of the MQTT protocol (2) Master the use of MQTT clients 2. Experiment Environment Required equipment for the experiment: (1) One device (2) One PC host (3) One network cable (Connect Host A to the device management network port) 3. Experiment Configuration (1) Operating System: Host A … Read more
Follow+Star Public Account, don’t miss out on exciting content Source | Embedded Miscellaneous In the past decade, the Internet of Things (IoT) has been developing rapidly, and in many scenarios, networking is essential. Both MQTT and HTTP are used in IoT applications, but their application scenarios differ. In IoT applications, MQTT (Message Queuing Telemetry Transport) … Read more
Comprehensive Report by Electronic Enthusiasts , EtherCAT slave control chips are specialized chips for implementing the EtherCAT data link layer protocol, primarily used for processing EtherCAT data frames and providing data interfaces for slave control devices. In industrial automation scenarios such as servo control, variable frequency drives, industrial PLCs, and industrial robots, EtherCAT offers real-time … Read more
‖ System Learning Life is like a marathon; occasionally stopping to fish allows you to go further. In the field of industrial automation, real-time communication protocols act as the neural center, determining the response speed and synchronization accuracy of the entire system. Among them, EtherCAT and Profinet are two major technical standards that occupy a … Read more
PCB Network City News This article is an original piece from the “Focus” section of the November 2022 issue of “Printed Circuit News” titled “The Shift of the PCB Industry to Southeast Asia: Opportunities and Risks”. Unauthorized reproduction by any individual or organization is prohibited. For reprints, please contact us for permission. Thank you! In … Read more
↑ Click on the above “Smart Manufacturing Home” Follow us Introduction Hello everyone, I am Alic, a friend of the owner Xiaozhi~ Industrial communication is an unavoidable topic in our field control, and we have introduced many aspects before, such as redundant networks, VLAN, PROFINET, etc.~ The main content of this communication discussion includes: 01 … Read more
Introduction By 2017, Nigeria’s seaports were choking under the weight of inefficiencies. Over 90% of Nigeria’s trade flows through its ports, with Apapa alone handling more than 80% of that volume (WITS, 2023; William, 2020). A well-functioning port is essential for lowering trade costs, improving supply chains, attracting investment, and boosting trade (Mlambo, 2021; Ayesu, … Read more
Introduction In today’s world of increasingly large software, with codebases ranging from tens of thousands to tens of millions of lines, quickly getting up to speed and understanding the business context is no easy task. By constructing relevant business scenarios and examining the internal state of the program, one can gain insights into the macro … Read more
GSEA | MSigDB: https://www.gsea-msigdb.org/gsea/msigdb/index.jsp The Molecular Signatures Database (MSigDB) is a resource that contains tens of thousands of annotated gene sets, specifically designed for <span>GSEA</span>. Gene Set Enrichment Analysis (GSEA) is a computational method used to determine whether a predefined set of genes shows statistically significant and consistent differences between two biological states (such as … Read more
In the complex world of software development, efficient debugging tools are key instruments for problem-solving. Today, we will delve into the powerful debugging tool — GDB (GNU Debugger). GDB provides developers with an effective way to explore the internal workings of programs, find errors, and optimize performance. Let us embark on a debugging journey with … Read more