Bluetooth (Bluetooth) is abbreviated as BT, and is a wireless communication technology jointly announced by five world-renowned companies: Ericsson, Nokia, Toshiba, IBM, and Intel in May 1998. From the introduction of Bluetooth 1.0 in 1999 to the latest Bluetooth 5.3 standard, the evolution of Bluetooth technology has gone through a long process. Below is a … Read more
WeChat Search Technical Training In practical production, it is often encountered that when a PLC cannot meet the process requirements, such as insufficient high-speed pulse channels or insufficient analog input/output channels, replacing with a larger PLC will significantly increase costs. At this time, it can be considered to use multiple PLCs to work together to … Read more
The era of smart cities requires a comprehensive enhancement of monitoring capabilities and intelligent management levels. With vast water areas in our country, more unmanned monitoring points will be established, making wireless data transmission particularly important. The framework of the entire hydrological monitoring information system is shown in Figure 1, which is divided into four … Read more
With the trend of the Internet of Things, wireless communication modules have become an indispensable part of various electronic devices, and the communication quality of the modules largely depends on the rationality of the antenna design. This article introduces how to choose the appropriate antenna and maximize its performance. Reference for this article: http://www.21ic.com/app/rf/201803/755820.htm With … Read more
In the practical application of wireless communication modules, onboard antennas are often used due to size constraints. If the antenna is not properly handled, it can significantly affect communication performance. This article will explain in detail how to optimize the details to achieve the best performance of wireless modules. 1. Background The transmission distance of … Read more
This article is sourced from: Global IoT Observation This article will comprehensively review the core component of the Internet of Things, the wireless communication module, from the industrial chain to manufacturers and future trends. Recently, the result of a tender for 500,000 units of the “Universe’s First Marker” was released, sparking heated discussions in the … Read more
Recently, the bidding results for a “universe’s first standard” of 500,000 pieces were released, sparking heated discussions in the industry. The wireless communication module, as the core component for terminal access to the Internet of Things (IoT), is rarely mentioned in the industry. Today, we have consolidated three reports to discuss various aspects of this … Read more
The communication distance of wireless modules is an important indicator, and how to maximize effective communication distance has always been a puzzling question for many. This article provides some explanations based on debugging experience and methods for selecting and using antennas, hoping to assist engineers in quickly debugging communication distances. 1. Types of Antennas With … Read more
Recently, due to work requirements, I have been involved in a BLE project and have spent considerable time researching standards and principles to understand the underlying concepts. I have summarized many of the BLE products currently available in the market, practically validating the theory, and have gained quite a bit of insight. Today, I finally … Read more
The Bluetooth Special Interest Group (SIG) introduced the Bluetooth 4.0 specification in 2010, which included low energy Bluetooth that meets the demand for low-power wireless connections in small battery-powered devices, leading to widespread adoption. This article will take you deep into the applications of low energy Bluetooth. Introduction to Low Energy Bluetooth In 2010, the … Read more