Follow the IoT Planet to track the latest developments in the Internet of Things! “IoT Planet” focuses on sharing technologies and applications related to the Internet of Things. In the Internet of Things, communication lines are used to transmit data, signals, and power to establish communication links between devices. Common communication lines include USB cables, … Read more
Note: Table 1 was formulated by the Ministry of Industry and Information Technology of China in 1985, and Table 2 was formulated in 1992. It stipulates that the channel spacing for cordless phones is 25KHz, with a maximum transmission power of 50mW for landline phones and 20mW for mobile phones. The transmission categories are F3E; … Read more
With the continuous increase in the number of IoT devices, the communication or connection between these devices has become an important topic of consideration.Communication is very common and critical for the IoT, whether it is short-range wireless transmission technology or mobile communication technology, both influence the development of the IoT.In communication, communication protocols are particularly … Read more
Wan Dun, Li Ya, Zhang Yu, Li Zhan, Zhang Xu (Henan Polytechnic University, Jiaozuo, Henan 454003) Abstract: The mushroom greenhouse needs to provide a suitable growing environment for mushrooms, in response to the problems existing in the current traditional greenhouse production model, we designed an IoT-based mushroom greenhouse monitoring and control system, to improve yield, … Read more
This article mainly introduces key technology applications in smart factories, including IoT application technology, complex system simulation technology, and production management technology. Author: Li Fangyuan Source: Control Network, Automation Expo Author Introduction: Li Fangyuan (1973-), male, from Zhoushan, Zhejiang, associate professor, senior engineer, master’s degree, graduated from the Control Engineering major of Zhejiang University of … Read more
IoT protocols refer to the protocols used for communication and data transmission between devices in an IoT environment. Based on their functions, IoT protocols can be categorized into Transport Protocols, Communication Protocols, and Industry Protocols. Transport Protocols: Generally responsible for networking and communication between devices within a subnet. Examples include Wi-Fi, Ethernet, NFC, Zigbee, Bluetooth, … Read more
Click the title below “Chinese Journal of Electrical Engineering” to follow our WeChat account The first impact factor of CSEE JPES is published! Click to view details. New Feature: Click the bottom left corner of the text “Read the Original Text” to jump to IEEE Xplore to view the full text of the paper on … Read more
Abstract: To address the challenges of high difficulty and long development cycles in wireless sensor network application development, this paper analyzes the reasons behind these issues and the current state of wireless sensor network application development technologies. Following the principles of software engineering and component design, a four-layer architecture development platform model is proposed. Based … Read more
Abstract: A temperature and humidity acquisition and monitoring system is designed based on ZigBee in consideration of the manual recording and the equipment self-monitoring on alternating hot and humid test box. The wireless sensor network in this system consists of CC2430 RF module, and the sensor nodes transfer the temperature and humidity parameters to the … Read more
In recent years, short-range wireless communication technologies have developed rapidly, greatly enhancing our work efficiency and convenience in life. Applications such as NFC door unlocking, Bluetooth wireless headphones, and Wi-Fi portable hotspots all rely on wireless communication technology. Currently, several mature wireless communication technologies include ZigBee, Bluetooth, infrared (IrDA), and wireless local area networks (Wi-Fi). … Read more