01 In 2005, the International Telecommunication Union (ITU) released the “ITU Internet Report 2005: Internet of Things” at the World Summit on the Information Society in Tunisia, systematically articulating the concept of the Internet of Things (IoT) for the first time. This report covers various aspects including forms, technical systems, and industrial structures, and is … Read more
🔗 Three Major Revolutions in IoT Monitoring 1️⃣ 24/7 Cloud Monitoring• View water quality data anytime on your phone• Automatic alerts for abnormal values (SMS/WeChat/Email)• Historical data permanently stored for retrieval and comparison 2️⃣ Intelligent Networking of Multiple Devices✔ Data intercommunication between river/lake/pipeline monitoring points✔ Automatic generation of regional water quality heat maps✔ Collaborative tracking … Read more
Bottle-type high-pressure hydrogen storage vessels are the main hydrogen storage containers at hydrogen refueling stations and are classified as high-risk pressure vessels. They must withstand internal pressure loads exceeding 45 MPa and cyclic loads during the filling and discharging processes. Given that hydrogen is flammable and explosive, the failure of these vessels can lead to … Read more
At the agricultural technology demonstration field of 855 Farm, rows of IoT monitoring devices shimmer under the sun, tirelessly “guarding” the vast fields. These smart devices collect and analyze agricultural data in real-time, equipping agricultural production with a “smart brain” and opening a new chapter in precise and efficient modern agriculture. “This set of IoT … Read more
Hello everyone, I am Feng Ge. In the era of the Internet of Things, an efficient and reliable IoT platform has become the core hub connecting the physical world with the digital world. Today, we will delve into ThingsBoard — this Java-based open-source IoT platform that provides powerful support for device management, data processing, and … Read more
🌟 Comprehensive Guide to ESP32 Power Management: From 5μA Deep Sleep to Wi-Fi 6 Energy-Saving Technology! Can a button battery last for 3 years? Discover how the “energy police” of IoT devices work. 🔋 1. Three-Level Power Consumption Modes: Precisely Control Every Microamp The power management system of the ESP32 acts like asmart energy dispatch … Read more
🧠 1. Physical Storage Structure On-Chip Memory IRAM (Instruction RAM) 192KB (ESP32 classic version), with the first 64KB fixed for dual-core CPU cache, and the remaining space used for high-speed execution code (such as interrupt functions). DRAM (Data RAM) 328KB, used for global variables and stack data. About 64KB will be occupied by the protocol … Read more
🌟 Comprehensive Analysis of the ESP32 Wireless Communication Module: A Versatile Chip Supporting the IoT Landscape From Wi-Fi 6 to Bluetooth Mesh, this domestic chip priced at ¥10 is revolutionizing the IoT world! 📡 1. Wireless Communication: Full-Stack Protocols Controlled by One Chip Dual-Mode Integration: The Golden Combination of Wi-Fi + Bluetooth Classic Bluetooth for … Read more
ESP32: The Internet of Things Universe in a Chip, Unveiling the “Contradiction” Art of Chinese Chips Sold at a cabbage price, operated with the heart of selling white powder—when this 8 yuan Chinese chip was used by NASA in the Mars greenhouse experiment, even Intel engineers exclaimed: “It is redefining the philosophical boundaries of chip … Read more
Effect Demonstration Persistence of Vision and Flicker Perception: Why Delay Matters? 🤔 In our daily lives, we are often captivated by some magical visual phenomena👀: waving glow sticks at night can create continuous light trails in the air✨; old televisions display frames one by one, yet we perceive them as smooth animations🎞️. Behind these fascinating … Read more