The following are several common LoRaWAN NS vendors along with their features and a comparison of the number of devices supported for free. Loriot Features: A powerful LoRaWAN network server that supports high performance, high security, and scalability. It offers flexible licensing options, including perpetual licenses and annual subscription licenses. Number of Free Supported Devices: … Read more
In today’s rapidly developing Internet of Things (IoT) technology, smart homes, smart buildings, and smart offices have gradually become important scenarios in urban life and enterprise management. For these spatial environments, the widespread application of LoRaWAN technology in low-power wide-area networks provides reliable communication guarantees for various projects. However, in the face of complex indoor … Read more
Have you ever wondered how a website generates a password after you enter “2333！@#￥” when setting it? How are the widely used encryption algorithms generated? How do they protect online financial activities worldwide? How do hackers decipher passwords? In fact, all of these stem from a mathematical problem. (Image source: veer图库) The Birth of Network … Read more
CANopen serves as a “common language” among industrial devices, enabling seamless “communication” between devices from different manufacturers. The S7-200 SMART, equipped with a CANopen module, acts like a proficient “translator” of this language, effortlessly commanding and coordinating various intelligent devices. This technology simplifies complex automation systems, allowing what once required intricate wiring to be connected … Read more
Click the blue text Follow us 1. Definition and Background CANopen is a high-level protocol based on the CAN (Controller Area Network) bus, used for communication between devices in various fields such as industrial automation, vehicles, ships, and medical equipment. It is an application layer protocol built on top of the CAN physical layer and … Read more
How to Diagnose PROFIBUS Communication Failures? A Systematic Approach to Troubleshooting Fieldbus Connection Issues and Tool Usage! Hello everyone! Today I want to share a “nightmare” in the field of industrial automation—the methods for diagnosing PROFIBUS communication failures. In my over ten years of experience in industrial automation projects, PROFIBUS failures are one of the … Read more
Click the blue text to follow us Overview of the full text This study uses gadolinium borate, which has a simple chemical formula and is easy to synthesize, as the matrix, selecting Ce3+, Tb3+, and Eu3+ with different luminescent properties as the doped ions. The aim is to prepare rare earth-doped GdBO3 luminescent materials at … Read more
Real-Time C++ sounds cool, right? In fact, it is the accompanying open-source code library for Professor C. M. Kormanyos’s comprehensive book, Real-Time C++. Simply put, it helps you write bare-metal, zero operating system embedded applications using modern C++ (14/17/20/23). Whether you are working with AVR, STM32, RISC-V, or Raspberry Pi, you can “write once, run … Read more
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Hello everyone, I am Jiu Cai. Today we will discuss the use of C++ in building efficient real-time systems on Embedded Linux. This is a practical and interesting topic for C++ beginners and enthusiasts. We will explore the wonderful applications of smart pointers and how they can shine in Embedded Linux systems. The magic of … Read more