With the development of IoT technology, NB-IoT (Narrowband Internet of Things) module has become one of the commonly used communication modules in IoT devices. When using the NB-IoT module, many people will wonder whether it requires a SIM card for communication. In fact, the answer

As a process-based tool, Node-RED has a rich node library and a visual drag-and-drop programming interface, providing developers with convenient and efficient development tools. With its powerful functions, Node-RED can be easily applied to the development field of host computer. Node-RED is used in the

With the advent of the big data era, data analysis and visualization have become an indispensable part of corporate decision-making and business development. In this context, Node-RED data visualization, as a new data visualization tool, is gradually gaining attention and favor from enterprises and developers.

Node-RED is a browser-based process orchestration tool that can easily connect various hardware and devices together. This article will introduce how to implement temperature and humidity collection on Node-RED, as well as integration with IoT devices and data management. Node-RED provides a wealth of nodes,

In recent years, with the rapid development of Internet of Things (IoT) technology, various smart devices have played an increasingly important role in people’s lives. The NB-IoT wireless communication module, as one of the key technologies for connecting these smart devices, has also received widespread

With the continuous development of IoT technology, NB IoT and 4G cards are two common ways to connect IoT devices, each with its own unique advantages and scope of application. Today we will compare the differences between NB IoT and 4G cards in detail to

With the development of technology, 4G network has become an indispensable part of our lives. Among various 4G devices, the 4G module is a key component, and it is particularly important to choose a high-performance product. So, among many manufacturers, which manufacturer does a good

The 5G era has arrived, and domestic 5G modules are gradually booming in the market. As a core component of a smart terminal, the selection of 5G modules is crucial. So, which domestic 5G module company is the best? Let’s conduct a comparative evaluation for

The GSM module is a device used for wireless communication and can implement functions such as mobile phone calls and data transmission. Its main function is to communicate with other devices through the GSM (Global System for Mobile Communications) network. GSM modules are widely used

With the continuous development of mobile communication technology, 4G modules, as an emerging communication equipment, have gradually attracted people’s attention. So, what is a 4G module? What is a 4G module? 4G module, as the name suggests, is a communication module that can support 4G

As a communication device, the GSM (Global System for Mobile Communications) module is widely used in the Internet of Things, smart homes and other fields. Its advantages and disadvantages directly affect its performance in practical applications. Let’s take an in-depth discussion of the advantages and

GSM is a global mobile communication standard that is widely used in 2G networks to provide voice communication and text messaging functions for mobile phone users. As a key component supporting the GSM network, how does the GSM module work? Let’s find out together. The