J1939 to Modbus Master – ADFweb Gateway Converter– Guangzhou Xinyu IoT Author: Zou Wuyi [email protected] 1、Product Features: Configurable J1939 to Modbus master gateway supports the following functions: Baud rate can be changed via software; Electrical isolation between the two buses; Can read data requested by the gateway from J1939 frames to Modbus devices; Power supply … Read more
Setting Up a C Language Development Environment // This is a sample C code #include <stdio.h> int main() { printf("Hello, World!\n"); return 0; }</stdio.h> In this article, we will discuss the steps required to set up a C language development environment. This includes installation of necessary tools and configuration of the environment for optimal performance. … Read more
OpenWrt Status Monitoring with netdata http://IP:19999/ Access port 19999OpenWrt web terminal, luci-i18n-ttyd-zh-cn To enter configuration, change the original command from /bin/login to /bin/login -f root for automatic login If /bin/login -f root does not work, you can try this methodModify the option command line in /etc/config/ttydDefault is: option command ‘/bin/login’Change to: option command ‘/usr/libexec/login.sh’After saving, … Read more
Home Server Management Tool! One-Click Deployment of Your Personal Service Navigation Portal Are you often faced with the situation where you have dozens of smart devices running at home, and a bunch of Docker services on your NAS, and every time you want to use Jellyfin to watch a movie, you have to dig through … Read more
First, let’s start with a beautiful image 1 Introduction to zsh 1.1 Linux Shell Linux/Unix provides many types of shells. Why so many shells? Are they for cooking? Let me ask you, why do you have so many similar clothes? Different colors and textures. Writing programs is much more complex than buying clothes, and programmers … Read more
HuaweiS300, S500, S2700, S5700, S6700 series switches—Ethernet Link Aggregation Configuration Routers, switches, firewallsDetailed configuration documentation knowledge base has been established and can be queried in thedialog box! ConfigurationLACP mode link aggregation ● (Optional) Configure systemLACP priority ● (Optional) Configure interfaceLACP priority ● (Optional) ConfigureLACP preemption ● (Optional) Configure the timeout for receivingLACP messages ● (Optional) … 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
Recently, a young electrician came to ask about PLC configuration. Looking at his program, I was truly speechless. Today’s young people seem to just throw everything into the code without considering the basic scanning cycle. Back in the day when I started in this field, we didn’t even have decent programming software; we used old-fashioned … Read more
The device sends alarm information to the destination IP or domain name via the HTTP protocol, requiring the destination IP or domain name to support HTTP protocol for receiving alarm information. Supports HTTP protocol alarm uploads for events such as face capture, mixed target detection, road monitoring, smart city management, smart events, queue detection, hard … Read more