Introduction to MQTT The MQTT protocol is currently the most popular Internet of Things protocol in the world, bar none. It provides devices with a stable, reliable, and easy-to-use communication foundation. As of now, there are over a hundred million devices connected via the MQTT protocol, widely used in fields such as IoT and M2M. … Read more
In the previous article, we briefly introduced the CANopen framework and the seven types of CANopen services. In this article, we will elaborate on the Object Dictionary, SDO, and PDO of CANopen. This series of articles mainly introduces the CANopen protocol, covering topics such as the Object Dictionary, services, SDO, PDO, and master/slave nodes. For … Read more
Editor’s Note: Currently, the security issues of IoT devices are mainly limited by hardware and software. Often, if the configuration does not keep up, even if developers want to address security issues, they may feel powerless. On the software level, the built-in protection mechanisms of the system are particularly critical, especially permission-based protections. We know … Read more
This article is a featured post from the KSY Forum by author ID: fengzhidian 1. Introduction The author has recently researched several smart home devices, which have fewer open ports and are generally unable to obtain debugging permissions from the network side. Gaining local debugging permissions on the device has become an important step in … Read more
Although the ESP8266 programs and related products have matured significantly, some beginners still don’t know how to learn. For example, how to use an ESP8266 along with an STM32 microcontroller to create a small product? What is the learning path like? How should we get started? In this regard, I suggest: 1. First, study the … 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
Recently, at the 2024 International Star Flash Alliance Industry Summit, Lierda Technology Group Co., Ltd. showcased its latest developed EB21 series SLE transparent transmission module. On March 13, the Lierda Star Flash series module had already made its debut at the Huawei HarmonyOS Connect Partner Summit. | Image of Lierda EB21 Series SLE Transparent Transmission … Read more
DOI: 10.3969/j.issn.1009-9492.2019.11.005 Huang Ganghua, Du Jiang, Yang Tao, et al. Design of Solar Rainwater Irrigation Flower System Based on Zigbee [J]. 2019, 48(11): 13-15. Funding Project: 2018 Beihua University Provincial Innovation Project (No: 201811923108) Design of Solar Rainwater Irrigation Flower System Based on Zigbee Huang Ganghua, Du Jiang, Yang Tao, Gao Song※, Guo Jinxin, Liu … Read more
So far, Xiaomi has three main product lines: mobile phones, televisions, and routers, along with ecosystem products launched in collaboration with partners, such as air purifiers, power banks, and headphones. Now, Xiaomi has released a new product: the Xiaomi Smart Home Set. The Xiaomi Smart Home Set is equipped with Xiaomi smart modules and uses … Read more