Third Season Running Flagship Video Course: ARM64 Architecture and Programming Launched on October 1, 2020Led by Ben, with hands-on practice and numerous experiments waiting for you! Firmware on Raspberry Pi 4 Those who have played with Raspberry Pi know that there are several firmware files that need to be copied to the MicroSD card. These … Read more
This chapter mainly explains: the basic usage of OpenWRT firmware to change the management password and set up SSH terminal service. 1. What is OpenWRT firmware Here is a brief introduction to the origins of OpenWRT. Back in the day, Linksys (now acquired by Cisco) released a wireless router product named WRT54G/GS, a classic product. … Read more
Why Compile OpenWrt Yourself There are several reasons to compile OpenWrt yourself: Customization: Users can choose which software packages to install according to their needs, resulting in a smaller firmware file size. Updates: If you want to use the latest kernel version or other software, you can compile it yourself. Security: If you want to … Read more
I have been developing microcontrollers for over ten years, and STM32 is the most worry-free microcontroller I have ever used. I have created at least over ten products using STM32. In fact, it’s not just STM32; the STM8 series is also very stable. The first ARM core microcontroller I encountered was from NXP. After using … Read more
Introduction: The 【Micro:bit】 is a microcomputer development board designed for youth programming education, and it has gained significant popularity in the maker education community. Tutorials and applications surrounding 【Micro:bit】 are constantly being updated. Additionally, Meow Star has customized a high-end expansion version for 小bit – Robot:bit, which has captured the hearts of many enthusiasts! Recently, … Read more
Overview of Embedded Systems: The Brain of Smart Devices Embedded systems are undoubtedly an indispensable part of modern technology, quietly operating in countless devices around us, from simple household appliances to complex spacecraft. This article will delve into the basic concepts and application scenarios of embedded systems, illustrating their importance in modern society with compelling … Read more
Recently, the 8GB RAM version of the Raspberry Pi 4 has been released for sale, and the firmware now supports booting from USB storage media (the stable version of the bootloader was released on June 15, 2020). So what are you waiting for? The Raspberry Pi 4 with 8GB RAM and USB 3.0 SSD is … Read more
In this article, we will demonstrate how to simulate the firmware of a given IoT device. Firmware simulation can be used for various purposes, such as providing a better way to analyze firmware, testing exploits, and completing remote debugging. Based on this technology, you can simulate firmware of different architectures and interact with it without … Read more
This article is a highlight from the KX forum, authored by KX forum user ID: Lpwn 1 Overview Using an old project on fan control as an experiment. It utilized external interrupts, timer interrupts, and PWM. The MCU is STM32F103ZET6. In the Keil settings, you can see the starting address of the firmware, which is … Read more
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