Copyright belongs to the author. If reposting, please indicate the source of the article: https://cyrus-studio.github.io/blog/ HMAC HMAC (Hash-based Message Authentication Code) is a message authentication code based on a hash function, used to verify the integrity and authenticity of data. HMAC mainly relies on the following elements: 1. Message: The data that needs to be … Read more
Gift to Readers Conducting research involves a profound system of thought, requiring researchers to be logical, meticulous, and earnest. However, effort alone is not enough; often leveraging resources is more important than sheer effort. Additionally, one must have innovative and inspirational points of view. I suggest readers browse through the content in order to avoid … Read more
Click the blue text above to follow us Embedded Training – Choose Jufeng Smart Link STM32 interrupt priority mechanism is a concept that often confuses beginners and newcomers to projects. What is preemption? What is response priority? What is the purpose of priority grouping? Why does the priority you set not take effect at all?Don’t … Read more
On June 29, the Yellow River Institute dispatched two field workgroups to track and observe the water diversion and sediment transport process, focusing on the water level at the main channel and bank edges downstream of the Huanghe River below Gaocun, verifying the flow capacity of the downstream river channel. The workgroups utilized RTK, drones, … Read more
List of PMIC Chip Companies Company Name Headquarters Location NXP Netherlands Texas Instruments (TI) United States Analog Devices (ADI) United States Renesas Japan MPS United States STMicroelectronics Switzerland Qorvo United States Skyworks United States ONSEMI United States Infineon Germany Microchip United States Silicon Labs United States Diodes United States Silergy Taiwan ETA China Injoinic China … Read more
Source: Various official websites
To join the embodied intelligence industry group, please add WeChat gasgoo111 and show your business card. According to the “ADAS Supplier Installation Rankings from January to April 2025” released by GaiShi Automotive Research Institute, the competition in the core components market of ADAS in the first four months of 2025 shows a clear dual characteristic … Read more
ECU (Electronic Control Unit) is the core component of the automotive electronic system, primarily used to receive sensor signals, process data, and control actuator actions. It contains various electronic components, which can be categorized into the following functional modules: 1. Core Processing Module Microcontroller (MCU) Function: The “brain” of the ECU, responsible for computation, logic … Read more
With the rapid popularization of smart connected vehicles, the In-Vehicle Infotainment (IVI) system is no longer a simple audio and video playback platform, but a complex system that integrates multiple technologies, terminals, and scenarios, becoming the core “brain” of the smart cockpit. This article will detail the key technology implementation paths, architectural evolution trends, and … Read more
In recent years, wearable devices such as smartwatches and fitness bands have rapidly developed in the field of health monitoring, with features like heart rate, blood oxygen, and sleep monitoring becoming almost standard. However, a persistent issue that troubles users has emerged:Sleeping with these “high-tech” devices is truly uncomfortable! Imagine being jolted awake at night … Read more