Follow/Star Public Account, don’t miss any updates! I believe everyone often sees abbreviations like MCU, MPU, MMU, etc. Do you know about the MPU? 1Introduction Not sure if everyone has paid attention to some aspects of the Cortex-M core, but most STM32 models have an MPU. The MPU is an optional component of Cortex-M. For … Read more
▼Click the card below to follow the public account▼ What are the differences between microcontrollers, Cortex-M, and Linux in embedded systems? What processors are needed to run the Linux operating system? ARM9, ARM11? Cortex-M is newer than ARM9, why can’t it run Linux? Many friends might have similar questions, so let’s discuss the related content … Read more
📕Introduction to ARM Architecture 🏮Definition and Development: The ARM architecture is a Reduced Instruction Set Computer (RISC) processor architecture designed by Acorn Computer in the 1980s and is now maintained by ARM Holdings. It is widely used in mobile devices, embedded systems, and Internet of Things (IoT) devices. 🏮Series and Instruction Sets: It includes series … Read more
1. Product Introduction The vertical face recognition management module with card swiping adopts the Rockchip RK3288 processor, equipped with an industrial-grade dual-camera and live face recognition technology, making it a high-performance and highly reliable product. It supports 1:1 and 1:N face comparison and retrieval, as well as identification of ID cards, IC cards, etc. It … Read more
1. STM32 and Selection 1.1 STM32 vs 51 Microcontroller Both STM32 and 51 are types of small computer chips that allow us to write code and store it within. For example, we can control a pin to switch between 5V and 0V, connecting an LED to this pin to achieve a blinking effect. This operation … Read more
POCT (Point-of-Care Testing) instruments are portable medical devices that can perform a series of rapid biochemical tests at the patient’s side. Their main advantage is the ability to provide quick test results, helping doctors make faster diagnoses. Due to the limited resources and lack of specialized personnel often faced by grassroots medical institutions, POCT instruments … Read more
Introduction As 2024 approaches, we have heard, seen, and even experienced the impacts of social changes and poor economic conditions on our work and lives. The job market is tough, and we find that some positions, departments, and even entire industries are gradually becoming marginalized and facing the risk of disappearing! However, if we analyze … Read more
1. Background Significance To address the after-sales maintenance issue of frequently disassembling product enclosures and upgrading on-site by professionals, the method ofIAP firmware upgrades is often adopted. Although this method solves the after-sales maintenance problem, it requires the embedded system to have interfaces such as serial ports, USB, and network ports, relying on computers, U … Read more
USB has become an indispensable interface in modern embedded systems, and choosing the right USB stack is crucial for project success. Eclipse ThreadX USBX, with its high performance, low resource consumption, and ease of use, has become the preferred choice for many embedded developers. 1. Overview of Eclipse ThreadX USBX: An Efficient and Reliable Embedded … Read more
Now, there are more and more embedded operating systems, such as the well-known uCOS, FreeRTOS, RT-Thread, etc. Each of these operating systems has its own characteristics:Which RTOS have you used in STM32 embedded development? This article will introduce a simple and user-friendly embedded operating system kernel – KLite. KLite Source Code Source code link:https://gitee.com/kerndev/klite The … Read more