Dissecting a 433MHz Remote Control Device: What is Rolling Code and the KeeLoQ Algorithm?

Dissecting a 433MHz Remote Control Device: What is Rolling Code and the KeeLoQ Algorithm?

The control gate of the underground water well pump at my hometown can be remotely controlled from a distance using a remote control. This way, when watering, one does not have to run over to push the gate, which is very convenient. Last time I went home, my mother said the accompanying remote control was … Read more

Chengbu: A Youth Team Develops an AI Desktop Humanoid Robot

Chengbu: A Youth Team Develops an AI Desktop Humanoid Robot

Recently, the Development and Reform Bureau of Chengbu Miao Autonomous County revealed that the young entrepreneur Xiao Qiaowei has developed an AI desktop humanoid robot through his company, Flash Cat Technology Co., Ltd. This robot has attracted widespread attention from technology enthusiasts and developers worldwide since its launch. The AI desktop humanoid robot developed by … Read more

5G Upgrade for IoT: MIT’s Ingenious Chip Design Achieves Efficient Frequency Hopping

5G Upgrade for IoT: MIT's Ingenious Chip Design Achieves Efficient Frequency Hopping

Soroush Araei Researchers at the Massachusetts Institute of Technology (MIT) have designed a new chip component that is expected to expand the application range of the Internet of Things (IoT) into the 5G domain. This discovery reflects a significant push towards 5G-based IoT technology, leveraging the low latency, high energy efficiency, and massive device connectivity … Read more

Building a Low-Cost Smart Security Camera with ESP32-CAM

Building a Low-Cost Smart Security Camera with ESP32-CAM

This article introduces a smart security project based on the ESP32-CAM module, developed using Arduino IDE, which transforms a low-cost camera module into a smart security device that supports motion detection. It triggers alarms by analyzing changes in consecutive frames and supports storing or remotely sending images. Applicable Scenarios Home Security: Monitoring entrances, balconies, and … Read more

In-Depth Comparison of ESP8266 and ESP32: Which Development Board Should You Choose?

In-Depth Comparison of ESP8266 and ESP32: Which Development Board Should You Choose?

In the field of IoT development, Espressif’s ESP series chips hold a significant market share. Among them, the ESP8266 and ESP32 (along with their derivatives) are the most notable products. This article will compare them across multiple dimensions, including technical specifications, functional features, and applicable scenarios, to help you find the best choice for your … Read more

MCU: A Major Transformation

MCU: A Major Transformation

Introduction In 2025, within just six months, leading MCU manufacturers such as ST, NXP, and Renesas simultaneously released automotive MCU products equipped with new types of embedded storage (such as PCM and MRAM), breaking the long-standing technical pattern dominated by embedded Flash. While it is still too early to talk about a “standard configuration,” it … Read more

This Robot Received Praise from Elon Musk!

This Robot Received Praise from Elon Musk!

Introduction The story of transforming from “a blank sheet of paper” to a scientific new city is not uncommon.(The human-computer interaction AI desktop robot LOOI, which received praise from Musk. Photo: Li Pei)The story of transforming from “a blank sheet of paper” to a scientific new city is exemplified by Songshan Lake Science City.On June … Read more

Understanding the Differences Between MiniLED and Traditional LCD Displays in 3 Minutes

Understanding the Differences Between MiniLED and Traditional LCD Displays in 3 Minutes

ClickFollow MSI GAMING Click the image above to enter JD.com Recently, MSI launched its first MiniLED monitor, the MAG 272UPDF E16M, which features a dual-mode combination of 4K 160Hz/1080P 320Hz, has passed VESA HDR1000 certification, and supports 1152 zone backlighting, providing clearer contrast. The current retail price is 2199 yuan, and it is even lower … Read more