Say Goodbye to WiFi Dead Zones A Step-by-Step Guide to Setting Up Two Routers Read Now Friends ask me, I have a router installed in the living room, and the network speed is great there, but it slows down in the bedroom and balcony. Is there any solution? Have you also encountered these frustrating moments? … Read more
Today, due to a broadband upgrade, my MacBook Pro suddenly could not access the internet. This was quite frustrating for me, but after some searching and attempts, I found a method that effectively resolves this issue, and I would like to share it.1. Click on the Wi-Fi icon, then find the details in the connected … Read more
Introduction:WiFi is not just for internet access! By analyzing signal fluctuations, it can “see through” the environment and perceive vital signs without additional sensors. With just an ESP32, you can unlock this technology. Seeing this title, I can tell you are skeptical, thinking this is just another one of those “academic gimmicks” that sounds impressive. … Read more
1. Introduction to WiFi Modes The ESP32 has two main WiFi modes: STA and AP modes. AP mode refers to Access Point mode, which can be connected by other devices; STA mode refers to Station mode, which can connect to hotspots. The ESP32S3 supports the coexistence of both STA and AP modes, for example, a … Read more
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