1. Basic Concepts MD5 (Message-Digest Algorithm 5) is a widely used hash function that generates a 128-bit (16-byte) long “digital fingerprint” or hash value for each different file. This hash value can be seen as a unique identifier for the file, similar to an ID number. Its core function is to verify the integrity and … Read more
Implementation of Encryption and Decryption Algorithms in Python (AES/DES) In modern information technology, the security of data has become increasingly important. Encryption algorithms are one of the key means to protect data privacy. In this article, we will introduce two commonly used symmetric encryption algorithms: AES (Advanced Encryption Standard) and DES (Data Encryption Standard). We … Read more
Author: Electronic Engineer Alliance Source: Power Network Sphere Number “A Comprehensive Breakdown of Low Power Design in Portable Product Development” Introduction The low power design of portable products is akin to how our parents managed their finances, where every penny must be meticulously accounted for to ensure that every expenditure is justified. Similarly, every mAh … Read more
1. Definition and Classification of Power Management ICs (PMIC) 1. Core Functions PMICs are analog chips, serving as the “power heart” of electronic devices, responsible for the conversion (such as AC/DC, DC/DC), distribution, detection, and control, which directly affects device performance and reliability. Typical applications include: Voltage Conversion: Converting battery voltage (e.g., 3.7V) to lower … Read more
Solid State Drives (SSDs) are continuously capturing the storage market due to their advantages of fast read speeds, low power consumption, and high data security. In particular, enterprise SSDs (eSSDs) appear to be safe and worry-free due to stringent quality control and multi-level power loss protection in data centers. However, unexpected power outages can lead … Read more
Core Principles: Official Priority: The official websites of the regulatory authorities for drugs and medical devices in various countries/regions (NMPA, EC/EU, FDA) are the most authoritative sources for obtaining original regulations, guidelines, databases, and the latest updates. Standards Organizations: International standards organizations (ISO, IEC) and national standard organizations (such as SAC in China, ANSI in … Read more
In the field of in vitro diagnostics, the reagent instructions serve as a “guideline for action” that directs users on proper operation to ensure accurate and reliable test results. Among these, the description of instrument parameter configuration is a critical aspect. Today, we will delve into how to describe instrument parameter configuration in the instructions … Read more
Smart voice assistants have become extremely popular, with major international companies such as Amazon, Google, Apple, and Alibaba launching their own smart voice assistant products. Additionally, Facebook, Tencent, and Xiaomi are expected to gradually join the competition, continuously driving up global demand for smart voice assistant products. The industry estimates that demand will reach 15 … Read more
Industrial control systems are like a ship sailing in a storm; they must not only navigate normally but also remain “afloat” in the face of various unexpected events. Resilient design equips the S7-1200 with a “life jacket”, “autopilot”, and “emergency generator”, allowing the system to not only “fail safely” in the event of a fault … Read more
Research-based learning is a compulsory course for all ordinary high school students, which is of great significance for cultivating students’ innovative spirit and practical abilities, broadening their knowledge horizons, improving their overall quality, and adapting to the future social development needs. The research-based learning course for the 2023 cohort of students at our school officially … Read more