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
![[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
Currently, researchers both domestically and internationally have designed various underwater robots to assist in fishery production based on different fishery models and production characteristics. These robots can be mainly categorized into three types based on their functions: environmental monitoring and aquatic animal behavior observation robots, aquatic animal identification and capture robots, and aquatic animal habitat … Read more
01Definition of SensorA sensor (transducer/sensor): is a device that can sensethe information being measuredand can convert the sensed information intoelectrical signalsor other required forms of information output, to meet the requirements for information transmission, processing, storage, display, recording, and control.It is a detection device. The existence and development of sensors have given objects tactile, taste, … Read more
This article is included in “Agricultural Engineering Technology – Agricultural Informatization” 2024, Issue 9, Table of Contents 21 Abstract:Based on IoT technology, this paper designs and implements an intelligent tomato cultivation system with automated and intelligent control, featuring high stability, reliability, maximized economic benefits, resource conservation, and environmental protection. The system mainly consists of soil … Read more
On March 28, 2020, it was reported that whale ‘snot’ contains a wealth of biological data that is typically difficult to obtain, including DNA, microbial information, hormone levels, and the whale’s metabolism. Drones can reach above the whale when it surfaces to breathe, then drop a petri dish to capture the whale’s expelled ‘snot’. On … Read more
Since May, conversations like this have frequently appeared in the “Hongdong County Air Quality Dispatch Work Group”: “Environmental Protection Bureau’s Lu Gang: The wind is blowing northwest, and there is a rising trend in PM10 levels. Please have the construction department inspect the pollution sources at the upwind construction sites.“ “Construction Bureau’s Han Jianfeng: @Environmental … Read more
Shenyang University of Technology, Wu Ruirui, Liu Jielin Introduction Wireless Sensor Networks (WSN) are self-organizing networks composed of numerous sensor nodes. These sensor nodes not only sense environmental information within the network but also possess simple computational capabilities, allowing them to transmit the relevant information after sensing and processing. Sensor nodes are the most crucial … Read more
Hello everyone, I am Xiao Xi. Today we are going to talk about how to use Siemens PLC to build a smart environmental monitoring system, focusing on achieving efficient collection and transmission of sensor data. It sounds a bit complex, but don’t worry, I will guide you step by step in the simplest way possible. … Read more
