With the advent of the Internet of Things (IoT) era, the methods of connecting objects are continuously evolving and updating.If sensors are the tactile sense of the IoT, then wireless transmission is the nervous system of the IoT, connecting sensors spread throughout the IoT.Before the emergence of IoT, the demand for network access was mainly … Read more
In the daily use of smart speakers, there is a high reliance on wireless connectivity, with WiFi and Bluetooth modules serving as the foundation for remote control, voice interaction, and multi-device collaboration. However, these high-frequency communication modules are extremely sensitive to electrostatic discharge (ESD), which can directly lead to module failure, causing connection interruptions and … Read more
Mesh networking has become a popular method for home WiFi networking in recent years. Compared to wireless bridging, it offers more reliable stability for connecting two or more devices. However, various issues often arise during actual use. Home routers have compiled six common networking issues to address the situations encountered in mesh networking. Mesh router … Read more
For friends engaged in embedded Android development, it is highly likely that you have encountered such a “confusing scenario”:WiFi / Bluetooth dual-mode module (such as the common AP6XXX series), where Bluetooth connects normally, but WiFi just won’t turn on —— Clicking on “Turn on WiFi” has no response, and there are a bunch of errors … Read more
In today’s digital wave, wireless connectivity is as essential as air, with Bluetooth and WiFi technologies serving as the key links to achieve this connection. Bluetooth was launched ahead of WiFi, initially exploding in popularity with the wave of wireless Bluetooth headsets, and after introducing BLE low-power features, it has further thrived in the Internet … Read more
Heart rate is one of the most important physiological health indicators, reflecting a person’s physical activity, stress, and anxiety levels. Typically, measuring heart rate requires some form of wearable device, such as a smartwatch or medical-grade equipment. Engineers have recently developed a new study that utilizes home Wi-Fi device signals to accurately monitor this vital … Read more
The retransmission mechanisms of BLE and WiFi are both based on ARQ (Automatic Repeat reQuest), which uses ACK to confirm errors or lost packets. However, there are some differences in their mechanisms. Below, we will conduct a simple comparative analysis. BLE Retransmission Mechanism The retransmission in BLE typically occurs at the link layer and is … Read more
The following provides detailed topology diagrams of various networking solutions for reference. For general home use, there is no absolute best or worst option; the key is to choose based on the size of your rooms and the penetration of the WiFi signal. In addition to self-configuration, if you want to simplify things, you can … Read more
*Disclaimer:This article is for technical discussion and sharing only, and is strictly prohibited for illegal purposes. As enterprise security devices become more prevalent and border security measures improve, phishing attacks have gradually become a primary method in red-blue team exercises. With the updates to email server WAFs and the increasing security awareness among enterprise personnel, … Read more
[Image] Official Account: Network Technology Alliance Recently, a friend who is preparing for renovation asked me: “I want to ensure full coverage of 5G WiFi in my home, including the bathroom. Should I choose a Mesh router or AP panels?” In fact, this question is one that almost everyone preparing to renovate or upgrade their … Read more