The embedded Linux system generally supports WiFi networking, which can be achieved through sh scripts or other programming languages. This article introduces the execution principle of a script that configures WiFi using sh scripts. 1. Introduction to sh Script for WiFi Networking Here, we take the WiFi startup script in the Feilin development board as … Read more
Source: https://www.cnblogs.com/heat-man/p/4657157.html Previously, on the embedded Linux development board, we implemented a remote control system for smart homes from the lowest level, but it was connected to a switch using an Ethernet cable, which felt outdated. Coincidentally, while looking for a job in Beijing, I found a company that makes WiFi modules. My boss tasked … Read more
When consulting with clients in various industries, they often ask a question: “Our industrial control system is already isolated from the Internet and is essentially an island, with no data or information coming in. Why do we still need to build network security?” In response to this question, I explain to clients the following points, … Read more
Author: IoT Queen (Peng Zhao) IoT Think Tank Original Please indicate the source and origin when reprinting —— [Introduction] —— Some have taken a different approach, attempting to combine local technologies such as BLE, WIFI, and Zigbee with wide-area technologies like NB-IoT and LoRa at the chip or module level. When you hear this idea, … Read more
Wireless networks can provide significant business advantages for enterprises, such as ensuring employees can connect across multiple devices and even buildings, thereby improving productivity. However, wireless networks can also bring visible and invisible risks to business privacy. Below are nine common wireless network security pitfalls that enterprises should pay attention to. As BYOD continues to … Read more
Electronic engineers and application developers for Internet of Things (IoT) products and systems face a bewildering array of connection options. Many communication technologies are well-known, such as WiFi, Bluetooth, ZigBee, and 2G/3G/4G cellular networks, but there are also several emerging options like Thread as an alternative for home automation applications and blank television technology implemented … Read more
Author: Ada IoT Think Tank Compilation and Release Please indicate the source and origin when reprinting Introduction Indoor positioning technology is needed in scenarios such as smart homes, smart factories, smart logistics, and smart elderly care to improve positioning accuracy. With the sudden increase in demand, indoor positioning technology is also rapidly developing, presenting a … Read more
Abstract: The Internet of Things (IoT) industry is growing rapidly. In 2015, the scale of China’s IoT market will exceed 750 billion yuan, and in the next five years, it is expected to surpass one trillion yuan. As the mainstream connection methods of IoT, what competitive or cooperative landscape will Bluetooth, Wifi, and ZigBee form? … Read more
Wireless networks are widely used and have given rise to various short-range wireless technologies such as infrared, Bluetooth, ZigBee, ANT, NFC, UWB, LiFi, and TransferJet. With the increasing attention on the Internet of Things (IoT), the cost-effective and widely applicable Bluetooth technology has gained significant attention. Bluetooth is a wireless personal area network originally created … Read more
Original: How to Configure a Wireless Hotspot with Raspberry Pi This article uses the Raspberry Pi Zero W as a hardware reference example, utilizing the built-in WiFi of the Raspberry Pi as a wireless hotspot AP. It can be connected via USB to Ethernet or an external USB WiFi to function as a firewall router, … Read more