alarm configuration

BACnet Slave to PROFIBUS Slave – ADFWEB Gateway Converter – Guangzhou Xinyu IoT

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BACnet Slave to PROFIBUS Slave - ADFWEB Gateway Converter - Guangzhou Xinyu IoT

BACnet Slave to PROFIBUS Slave– ADFWEB Gateway Converter– Guangzhou Xinyu IoT Author: www.adfweb.com.cn Zou Wuyi Mobile185-020-77899 [email protected] 1 Features: HD67676 is a BACnet Slave/ PROFIBUS Slave converter. It has the following features: • Supports up to2000 BACnet objects (read/write); • Provides triple isolation betweenBACnet and power,BACnet and PROFIBUS, power and PROFIBUS; • Supports bidirectional information … Read more

Deploying and Configuring OpenVPN Server on OpenWrt

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Deploying and Configuring OpenVPN Server on OpenWrt

Total text: 888 words, 16 images,Estimated reading time: 1 minute Previously, when we deployed OpenVPN on a cloud host (Using OpenVPN to Access Cloud Resource Pool Services), the cloud host had a single network interface. Now we have a single network interface OpenWrt (Configuring OpenWrt in One-Arm Routing Mode), which is based on the Linux … Read more

Analysis of the Header Information in Xilinx FPGA Bitstream Files

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Analysis of the Header Information in Xilinx FPGA Bitstream Files

Xilinx FPGA configuration files, in .bit and .bin formats, are binary configuration data files. The .bit file includes header information that is not required to be programmed into the FPGA. In some loading or remote update scenarios, both types of configuration files can be used, but using the .bit file provides additional information. The length … Read more

FPGA Not Loading Program from Flash When Connected to JTAG Downloader

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FPGA Not Loading Program from Flash When Connected to JTAG Downloader

Recently, many people in the group have encountered the above situation, which has been quite puzzling. I had never faced such a situation before. If it were a common issue, there would surely be feedback on the official website. If it is a very specific case, then it can only be treated as a bug. … Read more

Installing Nginx on Rocky Linux 9

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Installing Nginx on Rocky Linux 9

Installing Nginx on Rocky Linux 9 Hello everyone, I am Xing Ge. Nginx has become one of the mainstream choices for web service deployment due to its high performance, low resource consumption, and excellent reverse proxy capabilities. This article will guide you through the process of installing and configuring the Nginx service from scratch on … Read more

Setting Up MongoDB 4 in a Linux Environment (PSA Architecture)

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Setting Up MongoDB 4 in a Linux Environment (PSA Architecture)

This article mainly introduces the setup of MongoDB replica set mode in a Linux environment (one primary, one secondary, and one arbiter), including setup steps, primary-secondary switching, high availability testing, etc. Architecture Diagram One Primary, One Secondary, One Arbiter Environment Ubuntu 5.4.0-6ubuntu1~16.04.12 mongodb-linux-x86_64-ubuntu1604-4.2.8.tgz Steps Create Primary Node Create directories for data and logs # Primary … Read more

One-Click Deployment of Nginx Web Server with Ansible

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One-Click Deployment of Nginx Web Server with Ansible

1. Create roles directory mkdir -p ansible_nginx/group_vars mkdir -p ansible_nginx/roles cd ansible_nginx/roles mkdir common nginx mkdir {common,nginx}/tasks mkdir nginx/{files,handlers} mkdir nginx/templates 2. Basic Configuration of Roles cd ansible_nginx 2.1. Hosts Configuration cat hosts [webservers] 192.168.52.16 2.2. site.yml Configuration cat site.yml —- name: Install nginx hosts: webservers remote_user: root roles: – role: common – role: nginx … Read more

Ansible Management of Windows Hosts Error

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Ansible Management of Windows Hosts Error

ansible-playbook — – hosts: windows tasks: – name: backup webapp win_shell: ‘move D:\tomcat\WEB-INF D:\Y4ECSRUN\webapp\\WEB-INF-{{ DATE }}bak’ – name: copy package win_copy: ‘src=/ansible-playbook/WEB-INF.zip dest=D:\tomcat\webapp\WEB-INF-{{ DATE }}.zip’ – name: unzip package win_unzip: ‘creates=no src=D:\Y4ECSRUN\webapp\hanwang-test\WEB-INF-{{ DATE }}.zip dest=D:\Y4ECSRUN\webapp\hanwang-test\’ – name: stop java service raw: ‘taskkill /F /IM java.exe /T’ – name: start tomcat service win_command: ‘chdir=D: .\startup.bat’ Execute … Read more

STM32CUBEMX Tutorial 2 — Using GPIO for Input/Output

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STM32CUBEMX Tutorial 2 — Using GPIO for Input/Output

Previous article links:Detailed installation tutorial for STM32CUBEMXSTM32CUBEMX Tutorial 1 — Environment Configuration and New Project CreationWhen learning and using any MCU, the initial step often starts with GPIO. Learning how to configure IO allows you to output the desired voltage levels and read the voltage levels from the IO ports.This article introduces the GPIO of … Read more

Ansible: From Introduction to Abandonment (Part 20)

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Ansible: From Introduction to Abandonment (Part 20)

Ansible Roles Ansible Role is a collection of playbooks. For example, combining the playbook for configuring nginx, the playbook for configuring php, and the playbook for configuring mysql can create a role for configuring lnmp. There are three common types of roles: • The roles that come with RHEL, which can be installed via <span>yum … Read more