HLC Huillong| Manufacturer of High-Precision Quartz Crystal Components In the era of the Internet of Things (IoT), billions of devices require seamless communication and collaboration. The foundation of all this is the precise clock signals provided by small crystal oscillators—they act as the “heartbeat” of the IoT world, providing accurate time references for data exchange … Read more
Successful Defense of the IoT Engineering Major 2024 Innovation Project On April 21, 2025, the defense of the IoT Engineering 2024 Innovation Project was successfully held in classroom J-C-301 of the School of Information Engineering. The judges included IoT faculty members Qin Qin, Yang Qingqing, Gong Qianqian, and Feng Siyu. A total of 11 projects … Read more
Welcome to the series on Why the Internet of Things Major is So Popular! As we all know, with the continuous development of 2G, 3G, and 4G, along with the widespread adoption of smartphones, we have basically achieved data interconnection between people. From the early days of SMS and voice calls to the current images, … Read more
In simple terms, OpenWrt is a soft router. Strictly speaking, OpenWrt (full name Open Wireless Router) is a Linux distribution developed for embedded devices, especially routers, characterized by its openness and customizability. It provides a complete software development environment, allowing users to freely customize, install, and uninstall software packages to meet various network needs. Due … Read more
By default, if you use a router with an OpenWrt-like system to dial into an optical modem in bridge mode, you will not be able to access the modem’s management page, which can be quite inconvenient. There are many ways to fix this, and here we document a method that only requires a web browser. … Read more
On April 15, 2025, after more than two months, the second stable version of OpenWrt 24.10 was released, version number OpenWrt 24.10.1: _______ ________ __ | |.—–.—–.—–.| | | |.—-.| |_ | – || _ | -__| || | | || _|| _| |_______|| __|_____|__|__||________||__| |____| |__| W I R E L E S S … Read more
Below is the routing table after adding the default route in OpenWRT root@OpenWrt:~# route -A inet6 Kernel IPv6 routing table Destination Next Hop Flags Metric Ref Use Iface 24fe:34:927:af:91:f8:a6:51b5%35/128 ::%35 UC 0016 eth0 24fe:34:927:af::%35/64 ::%35 U 25610 eth0 fe80::%35/64 ::%35 U 25600 eth0 ::%35/0 fe80::d6ee:71f:fe5e:71f2%35 UG 102420 eth0 ::%35/0 ::%35 !n -1110957 lo ::1%35/128 ::%35 … Read more
According to Lian Zhian, head of the OpenHarmony Loongson architecture team, Alibaba’s Tsinghua Unigroup RISC-V chip has been successfully adapted to the open-source Harmony OpenHarmony. Lian Zhian recently released a demonstration video showing a development board equipped with the Tsinghua Unigroup Yiying 1520 running the OpenHarmony 3.2 Release version, which is capable of normal touch … Read more
To join the hardware electronics learning group, reply with “Join Group“. Sometimes, when a circuit needs to implement a master-slave communication setup, the commonly used communication protocols are SPI, I2C, or RS485 bus forms. Among these, I2C is the simplest and most convenient for on-board communication, requiring only two wires to establish a bus. However, … Read more
â–˛ For more exciting content, please click the blue text above to follow us! Nowadays, the variety and quantity of sensors are increasing, and many of these sensors utilize analog signals, which rely on ADC. However, the analog signals collected by our microcontroller’s ADC generally undergo “filtering” processing before they can be used. Below, we … Read more