In industrial automation and monitoring systems, the stability and reliability of data transmission are crucial. RS-485 and RS-232, as two common serial communication standards, each have unique advantages and limitations. Especially in terms of long-distance cable transmission, achieving stable and efficient data communication has always been a focus for engineers. This article will delve into … Read more
Wireless networks are widely used and have given rise to various short-range wireless technologies such as infrared, Bluetooth, ZigBee, ANT, NFC, UWB, LiFi, and TransferJet. With the increasing attention on the Internet of Things (IoT), the cost-effective and widely applicable Bluetooth technology has gained significant attention. Bluetooth is a wireless personal area network originally created … Read more
This public account has rich learning resources! Feel free to share it in class groups and moments to help more children. Vocabulary is the foundation of learning English. The assessment of English words is not limited to their spelling; it emphasizes the flexible transformation and application of different parts of speech, which is a common … Read more
Verb to Noun Transformations 1. v + ment endings achieve —— achievement advertise —— advertisement agree —— agreement amuse——amusement commit —— commitment develop —— development disagree —— disagreement equip —— equipment govern —— government manage——management argue —— argument 2. V + ion endings attract —— attraction discuss —— discussion express —— expression instruct —— instruction … Read more
On September 28, 2016, at the NB-IoT and LoRa seminar co-hosted by the China Wearable Industry Promotion Alliance and others, experts from Ericsson comprehensively explained the company’s research history and achievements in the field of Narrowband Internet of Things (NB-IoT): First, the experts analyzed the IoT market and made bold predictions. Next, the experts from … Read more
The research team led by Professor Hu Jianguo from Sun Yat-sen University’s School of Microelectronics has conducted research on low-power Turbo encoding and decoding for the NB-IoT communication standard. The related results are published under the title “Design of Low-Power Turbo Encoder and Decoder for NB-IoT” in the Chinese Journal of Electronics, 2024, Issue 2. … Read more
Abstract: The application of NB-IoT in the Internet of Things is becoming increasingly widespread. However, due to characteristics such as massive access, low terminal computing power, and a variety of services, NB-IoT IoT systems face numerous security issues. This article first analyzes the system architecture of NB-IoT IoT systems, dissecting the security risks faced at … Read more
Since the National Development and Reform Commission and eight other ministries first proposed the construction of smart hospitals in 2014, the development of smart hospitals in China has gone through nearly ten years. With the introduction of guiding policies and the establishment of evaluation systems, the “Action Plan for Promoting High-Quality Development of Public Hospitals … Read more
Author | Zhang Xiaoming, Cao Kejian, Peng Guangming Everything is a computer. Everything is connected. With the development of “informationization” and “intelligence” in human society, the trend of the Internet of Things (IoT) is emerging, from smart homes and smart grids to smart cities and industrial IoT, the integration of cyberspace and the real world … Read more
Abstract: Based on the open-source system OpenWrt, an application program socket-support was developed, and 6LBR was ported to OpenWrt. Using the TP-link TL-WR703N chip and the low-power CC1310 chip produced by TI as the core hardware platform, a 6LoWPAN border router was designed based on Contiki, 6LBR, and the OpenWrt system. Two 6LoWPAN sub-nodes were … Read more