The performance of IoT listed companies in 2024 has shown varying degrees of decline. For example, Hanwei Technology reported a net profit of 54 million yuan in 2024, a year-on-year decrease of 59.4%; Bixing IoT reported a net profit of -37.92 million yuan, turning from profit to loss. 1. Keli Sensor (603662) The company’s main … Read more
For students who are new to the embedded field, the ESP32 and STM32 represent two different technical gateways. The ESP32, developed by Espressif Systems, focuses on IoT features; the STM32 is a family of general-purpose microcontrollers from STMicroelectronics. Both are equipped with a 32-bit Cortex-M core, but they are positioned quite differently. 1.Core Differences Comparison … Read more
ANet Smart IoT Gateway The ANet Smart Communication Management Series is an embedded hardware computer platform that features multiple downstream communication interfaces and one or more upstream network interfaces. It serves as a bridge between the data collection terminals and the platform system in information collection systems, capable of aggregating data from devices such as … Read more
Building an Embedded Linux Environment on Raspberry Pi 4B: A Complete Guide from Scratch Introduction The Raspberry Pi 4B, with its powerful performance and rich interface resources, has become an ideal platform for embedded Linux development and IoT applications. As a single-board computer supporting Linux on an ARM architecture, mastering the setup of its development … Read more
The SANY Vehicle Networking platform empowers the entire business process, assisting customers in achievingsafe, low-consumption, efficient, and minimally staffed management. In terms ofsafety, the platform reduces accident risks through three core technologies, providing comprehensive protection for goods and personnel safety. Foundation of Safety Three Core Functions and Technologies1.Real-time Monitoring of Vehicle Status By utilizingGPS positioning … Read more
1.Corporate Culture: A Balancing Act of “Wolf Spirit” and “Warmth” The office area of Rihai Intelligent is adorned with slogans like “Focus on Customers, Integrate Innovation, Simple and Sunny.” This is not just empty rhetoric—during the 2021 Henan floods, their technical team worked tirelessly for three days and nights to repair communication base stations, with … Read more
Industry Background With the continuous expansion of urban rail transit networks and the ongoing improvement of intelligence levels, subway IoT monitoring systems need to monitor and manage tens of thousands of key IoT devices in real-time, including environmental control systems, fire alarms, access control, and elevator operations. The massive time-series data generated by these devices … Read more
In internet communication, TCP (Transmission Control Protocol) and HTTP (Hypertext Transfer Protocol) are both key protocols, but their roles and applicable scenarios are completely different. Many people may be confused: 1. Since TCP can already transmit data, why do we need HTTP? 2. When should we use TCP directly, and when should we use HTTP? … Read more
![[S7-1200]: MQTT Protocol Communication with Siemens PLC for IoT Environmental Monitoring](https://boardor.com/wp-content/uploads/2025/09/cdd622b0-b1d1-4555-935d-9a0233bda73f.jpg)
[S7-1200]: MQTT Protocol Communication with Siemens PLC for IoT Environmental Monitoring Application Overview Hello friends! Today I want to share an amazing project with you—using the Siemens S7-1200 PLC to achieve IoT environmental monitoring through the MQTT protocol! Imagine, your PLC not only controls the equipment in the factory but also uploads environmental data (such … Read more
Translator | Li RuiReviewer | Sun ShujuanThe data created by humans on the internet and computers is not always accurate; human typing, scanning, photographing, or recording is not always reliable. But what if there are sensors on machines that collect data and can communicate with other machines? What if there is a protocol that allows … Read more