In the wave of Industry 4.0, the intelligence of equipment has become a key factor in the upgrade of the manufacturing industry. Today, let’s discuss the application of ABB PLC in the field of edge computing and see how to enable production lines to have the ability to “think autonomously”. What is Edge Computing? Think … Read more
Experimental Integration of Tauri and Verso Verso is a browser based on the Servo rendering engine written in Rust, designed to simplify its API for ease of use. With the new custom runtime <span>tauri-runtime-verso</span>, developers can easily switch runtimes. The current integration includes features of <span>tauri-cli</span>, supports the React framework, etc., but is not as … Read more
Using with_items to Copy Multiple Files/Directories If you want to copy multiple files, you can use with_items to iterate over them. — – hosts: all remote_user: root gather_facts: false tasks: – name : copy file copy: src: /root/{{item}} dest: /usr/local/apps/ with_items: [’45.txt’, ‘run.sh’,’node_exporter.tar.gz’] [root@ansible ~]# ansible-playbook -C copy.yaml [root@ansible ~]# ansible-playbook copy.yaml Check the copied … Read more
Ansible Installation There are three installation methods for Ansible: Source Installation, Distribution Installation, and Python Installation. When using either Distribution Installation or Python Installation, there are two installation packages for Ansible, which are as follows: • <span>ansible-core</span>: A minimal language and runtime package that includes a set of built-in modules and plugins. • <span>ansible</span>: A … Read more
Ansible Configuration File Ansible looks for a file named <span>ansible.cfg</span> as its configuration file. [root@ansible ansible]# ansible –version ansible [core 2.16.3] config file = /root/ansible/ansible.cfg configured module search path = ['/root/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules'] ansible python module location = /usr/local/lib/python3.12/site-packages/ansible_core-2.16.3-py3.12.egg/ansible ansible collection location = /root/.ansible/collections:/usr/share/ansible/collections executable location = /usr/local/bin/ansible python version = 3.12.8 (main, Dec 12 2024, … Read more
The Bluetooth protocol architecture adopts a layered structure, covering multiple protocol components from the physical communication at the bottom layer to the application data transmission at the top layer. The Bluetooth protocol stack is suitable for Classic Bluetooth (BR/EDR) and Bluetooth Low Energy (BLE), which have similar basic architectures, but BLE is optimized for low … Read more
BLE DTM Testing In today’s rapidly developing Internet of Things (IoT) landscape, Low Energy Bluetooth (BLE) technology is widely used in wearable devices, smart homes, medical devices, and other fields due to its advantages of low power consumption and low latency. BLE DTM testing, as an important means of testing Bluetooth RF performance, acts like … Read more
LoRaWAN™ What is it? A technical overview of LoRa® and LoRaWAN Introduction This document aims to provide an introductory technical overview of LoRa® and LoRaWAN™. Low-Power Wide-Area Networks (LPWAN: Low–Power, Wide-Area Networks) are expected to support a significant portion of the billions of devices anticipated in the Internet of Things (IoT) space. LoRaWAN™ is designed … Read more
Hello everyone, I am Xia Yi. Today I will share about HTTP calling methods. Most projects are currently using the Spring Boot framework, and HTTP calls are an inevitable part of daily development. Whether calling third-party APIs or implementing communication between microservices, HTTP requests play a crucial role. This article will introduce seven efficient and … Read more
↓Recommended Follow ↓ On June 6, Robin Mark, a member of the IETF QUIC (Internet Engineering Task Force) and the HTTP working group in Belgium, announced on Twitter that “after 5 years, HTTP/3 has finally been standardized as RFC 9114. Together with RFC 9204 (QPACK header compression) and RFC 9218 (extensible priorities), it opens a … Read more