Implementation of Bluetooth BLE One Master and Multiple Slaves with nRF52832

Implementation of Bluetooth BLE One Master and Multiple Slaves with nRF52832

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

Deployment and Setup of Alibaba Cloud Ansible Automation Operations Platform

Deployment and Setup of Alibaba Cloud Ansible Automation Operations Platform

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

LoRa and LoRaWAN: The ‘Transmitter’ and ‘Navigation Map’ for Long-Distance IoT Communication

LoRa and LoRaWAN: The 'Transmitter' and 'Navigation Map' for Long-Distance IoT Communication

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

Nginx Reverse Proxy (Part 1): Implementing HTTP Protocol Reverse Proxy

Nginx Reverse Proxy (Part 1): Implementing HTTP Protocol Reverse Proxy

Click the above SRE Operations Group,👉Follow me👈,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

Can HTTP Interface Data Be Synchronized to the Lake on a Schedule? Quick Solutions with DolphinScheduler and SeaTunnel!

Can HTTP Interface Data Be Synchronized to the Lake on a Schedule? Quick Solutions with DolphinScheduler and SeaTunnel!

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: A Powerful HTTP Client Library

Flurl: A Powerful HTTP Client Library

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&amp;max_results=20&amp;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

Requests: A Concise and Elegant HTTP Library for Python

Requests: A Concise and Elegant HTTP Library for Python

In the internet-driven digital age, the flow and interaction of data have become the lifeblood of software systems. Whether integrating with third-party APIs to obtain real-time data, building web crawlers to scrape public information, or submitting forms and uploading files to remote servers, the HTTP protocol remains the foundational cornerstone of data exchange. The Requests … Read more

Weekly Library | Chi: An Elegant HTTP Router Library for Go

Weekly Library | Chi: An Elegant HTTP Router Library for Go

Weekly Library | Chi: 🚦 An Elegant HTTP Router Library for Go When building web services and APIs, an excellent routing library can greatly enhance development efficiency. Chi, with its lightweight design and powerful features, has become a highly regarded HTTP routing solution in the Go language ecosystem. 💡 Understanding Chi Chi is a lightweight … Read more

Yan’an University Teaching Management Information Service Platform

Yan'an University Teaching Management Information Service Platform

Yan’an University Teaching Management Information Service Platformhttp://jwglxt.yau.edu.cn/jwglxt The Yan’an University Teaching Management Information Service Platform is an important system for teaching management at Yan’an University. Platform Access Methods: Access via URL: You can log in to the Yan’an University Teaching Management Information Service Platform by visiting http://jwglxt.yau.edu.cn/jwglxt. Login through the school’s online service hall: After … Read more

Practical Experience with HTTP Timeout and Fault Testing

Practical Experience with HTTP Timeout and Fault Testing

In fault testing, the HTTP protocol is an extremely common and important testing target. Whether it is inter-service communication in a microservices architecture or external API calls, HTTP plays a critical role in data exchange. When issues such as slow responses, abnormal connections, or request failures occur, anomalies at the HTTP layer are often the … Read more