The Atmel SAM L22 Xplained Pro evaluation board is an assessment of the ultra-low power MCU SAML22. The Atmel SAM L22 is based on the ARM® Cortex®-M0+ microcontroller and features a segmented LCD controller added to the foundation of the SAM L21. This article will provide usage instructions for important aspects of the Atmel SAML22 … Read more
Introduction In 2014, the DiiA Alliance revised the DALI standard, optimizing the original version and adding many features to ensure compatibility with major manufacturers’ DALI products on the market, while also being compatible with the original DALI 1.0. DALI 2.0 introduced the Control device (Master) standard, and the number of DALI 2.0 test commands has … Read more
Author / Yu Cai CaiWord Count / 1233Reading Time / 3 minutesIn recent years, the concept of virtualization has become extremely popular.The most common explanation of virtualization is: transforming a single server into multiple “virtual servers” that are isolated from each other, also known as “virtual machines”.It seems quite strange. Why not just do things … Read more
17 Virtualization In computer systems, the term “virtual” can be somewhat ambiguous. It primarily refers to a mediator that transforms complex or fragmented underlying systems into a simplified interface that can be utilized by multiple consumers. A familiar example is virtual memory, which allows multiple processes to access a large memory pool as if each … Read more
NVIDIA GPUs provide powerful graphics processing and computing capabilities for enterprises and developers. However, to fully leverage the potential of the GPU, proper display port configuration is crucial.NVIDIA Display Mode Selector Tool was created for this purpose, helping you easily enable/disable physical display ports, optimize GPU graphics processing, computing performance, and virtual GPU deployment, ensuring … Read more
A micro drone weighing less than a cup of milk tea, how fast can it fly? Xu Yang, a junior student from Shenzhen University, provided a shocking answer: 340.78 km/h!The “Prowess” quadcopter developed by Xu Yang recently received Guinness World Record certification, breaking all speed records in the field of model aircraft, and becoming the … Read more
As an important standard in the field of industrial communication, the technical specifications of RS-485 bus technology directly determine the stability, anti-interference capability, and transmission efficiency of the system. The following is a comprehensive analysis of the technical requirements of RS-485 from the aspects of electrical characteristics, mechanical structure, protocol specifications, and practical applications. 1. … Read more
Introduction Vascular calcification is a common pathological manifestation associated with atherosclerosis, hypertension, diabetic vascular lesions, vascular injury, chronic kidney disease, and aging. It primarily manifests as increased stiffness of the vascular wall, decreased compliance, and can easily lead to myocardial ischemia, left ventricular hypertrophy, and heart failure, triggering thrombosis and plaque rupture, making it one … Read more
Everyone wants to go to a good ski resort, but the term “good” encompasses many factors, including quality of facilities, snow conditions, ticket prices, transportation convenience, and crowd sizes. When it comes to ranking ski resorts in Beijing, it’s not necessary to overthink it. As long as you are not pursuing high-end skiing experiences, the … Read more
Symmetric encryption can be divided into block ciphers and stream ciphers. Block ciphers typically use a fixed size as the basic unit for processing, while stream ciphers use a single unit element (a letter or a bit) as the basic processing unit. Of course, when the block length is equal to the unit length, a … Read more