1. Shift in Wi-Fi Philosophy: Experience-Centric Over the past 20 years, the upgrade of Wi-Fi standards has resembled a “speed marathon”: Wi-Fi 5 (802.11ac) increased speeds to 3.5Gbps, Wi-Fi 6 (802.11ax) doubled that to 9.6Gbps, and Wi-Fi 7 even surpassed 30Gbps. However, user experience has not improved in tandem with these speed increases—places like shopping … Read more
Recently, I have been busy adapting 4G modules to connect with IoT devices on Alibaba Cloud, enabling normal connections for online status, subscription, unsubscription, and publishing various functionalities. Ultimately, this is implemented in a small program that includes a power meter, where the power meter controls the module to send some commands. The Alibaba Cloud … Read more
With the increasing number of attacks targeting WiFi, does this pose a threat to Internet of Things (IoT) devices? In short, the answer is yes. To elaborate, the answer is also affirmative: wireless networks are under attack — which means that all devices relying on wireless networks are also at risk of vulnerabilities. Intruders have … Read more
“Do I need to pay for a public IP for my device?” Recently, we have received many similar inquiries. As a primary agent for the three major telecom operators for over 10 years, FIFISIM IoT will clarify in simple terms: the cost of applying for a public IP for IoT devices, along with three common … Read more
SPI Flash is a type of non-volatile memory chip based on the Serial Peripheral Interface (SPI) protocol, featuring numerous significant advantages that make it widely used in various electronic devices. Compact Size: SPI Flash chips utilize advanced packaging technology, resulting in a small size that effectively saves circuit board space, enabling the miniaturization of products. … Read more
1. Nature of the Problem: The Fatal Impact of Disconnections on IoT Systems The 4G module, as the “nervous system” of IoT devices, directly determines the reliability of the data link. According to industry statistics (2024 GSMA report), 30% of IoT device failures stem from communication module anomalies, with frequent disconnections ranking first. The consequences … Read more
The certification cycle for IoT devices under EN 18031 typically ranges from 3 to 8 months, depending on the device’s risk level, functional complexity, and compliance pathway chosen. Below is a detailed analysis of the key influencing factors and typical cycles: 1. Basic Cycle Range and Risk Classification 1. Low-Risk Devices (Self-Declaration Path) Applicable Scenarios: … Read more
Spanish AI startup Multiverse Computing has released two ultra-compact AI models, named “ChickBrain” and “SuperFly.” The company claims these are the world’s smallest high-performance models, capable of chat, voice, and reasoning. These models are designed to run locally on IoT devices, smartphones, and tablets without the need for an internet connection. The company employs quantum-inspired … Read more
How to Achieve Dynamic Monitoring of Forestry Resources (Forests, Wetlands, Wildlife) Using Satellite Remote Sensing, Drones, and IoT Devices? 1 Satellite Remote Sensing: Large-Scale Periodic Monitoring 1. Application Scenarios Forest Cover Change: Monitoring deforestation, afforestation, and other land use changes. Wetland Hydrological Dynamics: Tracking water level changes and vegetation degradation (e.g., mangrove reduction). Wildlife Habitat … 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