This morning, a user privately messaged me asking how to flash OpenWrt on a CPE I had never heard of before, which left me momentarily stumped. On one hand, the likelihood is 99% that the person asking this question is a beginner. Many people get into OpenWrt because they hear it can flash various firmware, … Read more
Yesterday, a user privately messaged me asking how to resolve the issue of being unable to access the web page after flashing the OpenWrt firmware on their K2P device. During our chat, it was clear that they had little foundational knowledge, so today I am organizing some thoughts, but you will still need to explore … Read more
The official OpenWRT mirror site for downloading OpenWRT is: URL: https://downloads.openwrt.org/This is the main site for OpenWRT, providing all official versions of firmware and packages. It is the primary source for obtaining the latest stable versions, development versions (snapshots), and historical versions. The official OpenWRT GitHub repository: URL: https://github.com/openwrt/openwrtAlthough primarily used for code storage and … Read more
1. Core Components Hardware Layer: Processor: MCU (e.g., STM32), MPU (e.g., ARM Cortex-A), DSP (e.g., TI C6000), or FPGA (e.g., Xilinx). Peripherals: Sensors, ADC/DAC, communication interfaces (UART, SPI, I2C, CAN, etc.). Power Management: Low power design (e.g., dynamic voltage scaling). Software Layer: Firmware Development: Bare-metal code or RTOS (FreeRTOS, Zephyr) based on C/C++/Rust. Driver Development: … Read more
Follow+Star Public Account Number, don’t miss out on exciting content Many friends have asked in the background whether it is possible to develop applications based on JieliSDK without installing the Jieli visualization tool. The Jieli VisualizationSDK supports compilation using makefile in both Windows and Linux environments. By default, the SDK supports compilation and downloading in … Read more
Editor’s Note Driven by the wave of digitalization, the construction of information infrastructure such as basic hardware, basic software, application software, and information security provides solid support for the “flow” of information security. This year, the “Government Work Report” proposed to “optimize the layout of national computing power resources and create a digital industry cluster … Read more
Editor’s Note Driven by the wave of digitalization, the construction of information infrastructure such as basic hardware, basic software, application software, and information security provides a solid foundation for the “flow” of information security. This year, the “Government Work Report” proposed to “optimize the layout of national computing power resources and create a digital industry … Read more
When it comes to flashing firmware, everyone is familiar with it. The essence of flashing is to update all or part of the programs in the chip and external memory of embedded products. Based on the various methods of programming chips involved from PCB production to R&D debugging, assembly, and finally to the user, today … Read more
1:Tool Preparation, Test Board, Dupont Wires, and Adapter Board Label 1 is the adjustable sliding resistor to adjust the VDD and VDDIO voltage Label 2 is the interface connected to TP 2 Interface Definition: When wiring, follow the above definition and leave VDDIO unconnected. Note: 1): For TP using the IIC interface, there are two … Read more
Today, let’s talk about what PCBA chip programming is? The importance of chip programming in PCBA processing. In the one-stop service of PCBA (Printed Circuit Board Assembly), chip programming is a crucial link. For purchasing personnel in electronic device manufacturers, understanding the meaning of chip programming and its role in the entire production process is … Read more