The electrocardiogram (ECG) signal can objectively reflect the physiological state of various parts of the heart and is a primary basis for diagnosing heart diseases. Due to its characteristics of ease of detection and good intuitiveness, it has been widely researched and applied in clinical medicine. Since 1906, when the first electrocardiogram machine was used … Read more
This article is an excellent piece from the Kanxue Forum. Author from Kanxue ForumID: abcz316 Linux is an open-source kernel system. I am also very fond of embedded Linux systems, especially its kernel source code, which is written in a style that I really appreciate. This driver was previously written during my spare time for … Read more
Introduction Many friends learning ROS have this confusion: What can I do with ROS? Where should I start? What is the best way to get started? It would be great if someone could point the way when feeling lost and confused. Here it comes: GuYueJu has analyzed the job requirements of companies in Beijing, Shanghai, … Read more
Stage One: Obtaining the Interrupt Number Each CPU has the ability to respond to interrupts. When a CPU responds to an interrupt, it follows the same process. This process is the interrupt service routine provided by the kernel. Upon entering the interrupt service routine, the CPU has automatically disabled interrupt responses on that CPU, as … Read more
This article is from the Automotive Electronics Network The automotive autonomous driving system (Motor Vehicle Auto Driving System) is an intelligent car system that achieves driverless operation through an onboard computer system. Its structure generally consists of three parts: perception system, decision system, and execution system. Below is an introduction to the basic knowledge and … Read more
As an open-source system, Linux is often used by developers for software development. For beginners, Windows seems so convenient and easy to use, so why not develop programs on it? What are the differences between Linux and Windows? This article summarizes this question, let’s explore the differences between Linux and Windows systems together. Differences Between … Read more
Introduction OpenWrt is an open-source operating system primarily used for embedded devices, especially wireless routers and access points. It is based on the Linux kernel and designed to replace the firmware provided by manufacturers, offering users more flexibility, customization, and features. Here are some key features of OpenWrt: 1. Customizability: OpenWrt provides an extensible framework, … Read more
Linux | Red Hat Certified | IT Technology | Operations Engineer 👇Technical exchange QQ group with 1000 members, note “public account” for faster approval 1. Differences Between RPM and DEB Some systems only support installing with RPM packages, while others only support DEB packages. Mixing installations can lead to system issues. About RPM and DEB … Read more
0×01 Environment Preparation 1. This time we will use the open-source OPENWRT source code for compilation. OpenWRT is a highly modular and automated embedded Linux system, with powerful network components and extensibility, often used in industrial control devices, telephones, small robots, smart homes, routers, and VOIP devices. It also provides over 100 pre-compiled software packages, … Read more
Overview The emerging set-top boxes (STBs) belong to embedded Linux satellite TV receivers, possessing all the characteristics of Linux machines, including wireless and network connectivity. This is sufficient for hackers to crack the encryption strategies of most satellite DVB-CA receiving cards and develop a black industrial chain. Such attacks can create a fairly large botnet … Read more