On September 19, at Jinshitan, Dalian, on an 80-square-meter operational platform approximately 300 meters from the coast, the 2020 National Underwater Robot Competition’s autonomous grabbing group was held. The underwater robot from Dalian University of Technology’s OurEDA team showcased its capabilities by capturing 11 “prey”. According to Zhang Wanhui, the team leader of the OurEDA … Read more
Learning USB for continuous improvement.To understand the USB device drivers under Linux, I started with USB Gadget. After extensive experimentation, I found that UAC1 does not support microphone creation. Therefore, I had to shift from configuring the KS file system to analyzing the source code. By analyzing the UAC1 source code (f_uac1.c), I realized that … Read more
Overview of Traditional Security Techniques This section will introduce some traditional, fundamental yet effective assembly language security techniques, rather than cutting-edge rootkits or virus/antivirus technologies. This foundational knowledge is crucial for understanding modern security mechanisms. Basic Concepts of Viruses and Trojans In the realm of traditional security, the distinctions between viruses and trojans are as … Read more
Sometimes farmers hear about using glucose with Vitamin C. Is it true that many times they have used it this way? Do you know the mechanism behind it? Vitamin C is also beneficial in aquaculture production, just like cod liver oil. Today, I will discuss the role of Vitamin C! What is Vitamin C? Vitamin … Read more
USB Audio Device Diagram In embedded devices such as smart speakers and conference microphones, the USB Audio Class (UAC) protocol plays a critical role. This article will take you deep into understanding this core technology to assist in product development. 1. Core Value of the UAC Protocol The USB Audio Class (UAC) is a device … Read more
Proteus vulgaris and Proteus penneri, Proteus mirabilis, Proteus hauseri, and Proteus myxofaciens belong to the Enterobacteriaceae family. Currently, the main pathogens reported are Proteus vulgaris and Proteus mirabilis, with Proteus vulgaris infecting a wide range of animals, causing cystitis, food poisoning, and wound infections. In aquaculture, it can infect California bass, channel catfish, tilapia, shrimp, … Read more
Industrial recirculating aquaculture, as a new and efficient factory-style, intensive farming technology, has significant advantages such as water and land conservation, health and efficiency, controllable environment, and safe product quality. It is an important direction for the transformation and upgrading of the aquaculture industry and a crucial pathway towards a strong fisheries nation. Industrial recirculating … Read more