In the industrial IoT smart lighting system, the smart central controller (gateway) serves as the core “brain”. Don’t underestimate it; its role is significant! What exactly is it? Simply put, the smart central controller (gateway) acts like a super “translator” and “housekeeper”, connecting various smart lighting devices with the entire IoT system. It can collect … Read more
In many industrial and automotive applications, protecting interface transceivers from various electrical overstress events is a major concern. Transient Voltage Suppressor (TVS) diodes are commonly used for this purpose as they can clamp voltage spikes by creating a low-impedance current path. The electrical characteristics of TVS diodes are determined by several process factors. These parameters … Read more
Related Models MELSEC MX Controllers, MELSEC Programmable Controllers, GOT-A900/GOT1000/GOT2000 Series 1 Operating Precautions When connecting a module with RS-232/USB interface*1 to a computer, please follow the operating instructions of the computer while adhering to the precautions below. *1 For specific target models, please refer to the content below. 2 Target Models 1.1 When Using the … Read more
๐ Project Overview โ <span>sky22333/ansible</span> is a lightweight Ansible web management panel based on <span>Flask</span> and <span>React</span>, designed to simplify batch management tasks across multiple servers. This tool provides an intuitive user interface, allowing even beginners to easily manage multiple hosts, execute commands, transfer files, and access a web terminal. โ โจ Core Features ๐ฅ๏ธใHost … Read more
When implementing Bluetooth one master and multiple slaves functionality using Nordic Semiconductor’s nRF52832 chip, you need to use the development kit and Bluetooth protocol stack provided by Nordic. Below are the detailed implementation steps and key code examples, based on the latest nRF5 SDK v17.1.0 and SoftDevice S132. 1. Development Environment Setup Essential Tools: nRF5 … Read more
The following is a complete practical guide for implementing automated operations based on Ansible on the Alibaba Cloud platform, integrating all core operational processes and commands, tailored to the specified server planning: 1. Environment Planning Hostname IP Address Role Operating System manage01 192.168.98.200/24 Ansible Control Node CentOS 7.9 node1 192.168.98.201/24 Business Node CentOS 7.9 node2 … Read more
When engineers talk about “Mensi Technology’s OM822 module achieving all-weather command reception,” many may wonder: What exactly is LoRa? How is it related to LoRaWAN? Today, we will break it down technically and combine it with the product ecosystem of Mensi Technology to help you understand point-to-point communication clearly. 1. LoRa: The ‘Aerial Bridge’ Across … Read more
Click the above SRE Operations Group,๐Follow me๐,Select Set as Favorite High-quality articles delivered promptly 4 Nginx Reverse Proxy 4.1 Basics of Proxy There are two types of proxies: forward proxy and reverse proxy Forward Proxy and Reverse Proxy are two common types of proxy servers used to handle different directions and purposes in network communication … Read more
Click the blue text to follow us 1 Background and Objectives We previously evaluated using SeaTunnel for CDC lake validation: SeaTunnel-CDC lake practice. These scenarios are all cases where a direct connection to the database is possible. However, business requirements often arise where a direct connection to the database for CDC data synchronization is not … Read more
Flurl is a modern URL builder.Building Flurl.Url Implicitly create Flurl.Url objects using string extension methods using Flurl;var url = "https://some-api.com" .AppendPathSegment("endpoint") .SetQueryParams(new { api_key = _config.GetValue<string>("MyApiKey"), max_results = 20, q = "I'll get encoded!" }) .SetFragment("after-hash");// result:// https://some-api.com/endpoint?api_key=xxx&max_results=20&q=I%27ll%20get%20encoded%21#after-hash 2. Create a Url object explicitly; all string extension methods can also be used with System.Uri var … Read more