Embedded Software & Tools

  • Operating Systems (Linux, RTOS, Android)
  • Firmware Development
  • Embedded Security
  • Development Tools & IDEs
  • AI/ML in Embedded Systems

PLC Specialized Training Strengthens the Foundation of Automation Operations

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PLC Specialized Training Strengthens the Foundation of Automation Operations

Recently, the Electrical Instrumentation Workshop collaborated with the Materials and Equipment Department to invite senior technical experts from Siemens to successfully hold a week-long “PLC Automation System and Operations Maintenance Specialized Training”. All technical backbones of the Electrical Instrumentation Workshop participated, effectively solidifying their professional foundation through systematic learning of cutting-edge core technologies, providing strong … Read more

How to Convert and Process Analog Signals with PLCs? Get It Done in 3 Minutes!

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How to Convert and Process Analog Signals with PLCs? Get It Done in 3 Minutes!

Analog signals are the most basic process signals in automation process control systems, such as pressure, temperature, flow, etc. These signals are input forms that are transmitted through transmitters, converting the detected signals into standardized voltage and current signals, and sending these signals in real-time to the controller (PLC). PLCs convert these analog signals into … Read more

Sharing Cutting-Edge Research on TinyML

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Sharing Cutting-Edge Research on TinyML

Sharing Cutting-Edge Research on TinyML 01 Definition TinyML, or “Tiny Machine Learning,” refers to the technology, tools, and methodologies for running machine learning applications on ultra-low-power microcontrollers (MCUs) and other small computing devices. The core of TinyML is to compress and optimize trained machine learning models to fit the limited memory (typically KB-level SRAM, MB-level … Read more

Drone-Based Farmland Information Monitoring System Using Wireless Sensor Networks

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Drone-Based Farmland Information Monitoring System Using Wireless Sensor Networks

Based on Unmanned Aerial Vehicles (UAV) and Wireless Sensor Networks (WSN),the three-tier architecture TUFSN (three-tier unmanned aerial vehicle farmland sensor network) consists of the SN-RN data collection layer, RN-UAV relay transmission layer, and UAV-DC mobile aggregation layer. Through Matlab simulation, it was found that the cache size range of the relay node (RN) is 3~13 … Read more

How to Achieve Centimeter-Level Distance Measurement Accuracy with Hoperf BLE 6.0 Module HM-BT2401DA?

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How to Achieve Centimeter-Level Distance Measurement Accuracy with Hoperf BLE 6.0 Module HM-BT2401DA?

In the current rapid penetration of Internet of Things (IoT) wireless communication technology, the ability to perceive and respond to physical distances between people and objects, as well as between objects, has become key to enhancing the intelligence of devices and improving user interaction experiences. When a smart refrigerator detects a user approaching and actively … Read more

12 Most Commonly Used Ansible Modules: Which Can Double Server Management Efficiency?

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12 Most Commonly Used Ansible Modules: Which Can Double Server Management Efficiency?

Ansible is a powerful and agentless IT automation platform. This article introduces some commonly used modules. Ansible has robust module capabilities, supporting various functions such as file management, system management, cloud computing (multi-cloud), networking, databases, Windows, source control, infrastructure, packaging, and more. For more details, please refer to the official page. Here, we select some … Read more

Ansible Firefighting Hotline Series (22): Automated Diagnosis of FTP Failures

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Ansible Firefighting Hotline Series (22): Automated Diagnosis of FTP Failures

📁 Ansible Firefighting Hotline | Struggling with FTP Service Failures? One-Click Automated Diagnosis Turns You into a File Transfer Expert! Tired of blindly troubleshooting FTP service failures? Today, we bring you a comprehensive automated analysis solution for FTP service failures on RHEL8/9 & CentOS8/9, allowing you to say goodbye to the nightmare of manually typing … Read more

Enhancing Httprunner Test Cases: Declaration and Reference of Variables (Part 2)

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Enhancing Httprunner Test Cases: Declaration and Reference of Variables (Part 2)

Enhancing Httprunner Test Cases: Declaration and Reference of Variables 1. Variables In HttpRunner, there is support for the declaration (variables) and reference (or{var}) mechanism. Variables can be defined using the variables keyword in both config and step, and can be referenced in test steps using or{var}. The difference is: Variables defined in config are global … Read more

Common HTTP Request Methods and Their Differences

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Common HTTP Request Methods and Their Differences

1. Common HTTP Request Methods The core and commonly used methods are as follows: GET Purpose: Request the specified resource. It is only used to retrieve data and should not produce any “side effects” (such as modifying data). Characteristics: The request parameters are directly appended to the URL (query string), with length limitations, and will … Read more

Understanding HTTP Status Codes Beyond 404 and 200

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Understanding HTTP Status Codes Beyond 404 and 200

Introduction In web development and daily web browsing, we often encounter various HTTP status codes. These status codes are responses from the server to client requests, providing important information about the request processing status. Below, we will introduce some common HTTP status codes and demonstrate their applications through code examples. 1. Informational Status Codes (1xx) … Read more