Year: 2025

Chapter Two – Fundamentals of Computer Systems (II) – Embedded Systems and Software

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Embedded Systems and Software Illustration An embedded system is a dedicated computer system designed for specific applications, tightly integrating information processing and physical processes. Embedded systems are application-centric, based on computer systems, and integrate configurable and customizable software and hardware into a single dedicated computer system. Illustration The basic working principles of embedded systems Components … Read more

Samsung 32-Inch Color E-Paper Sign EM32DX Review: Is the 8626 Yuan Display Revolution Worth It?

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Samsung 32-Inch Color E-Paper Sign EM32DX Review: Is the 8626 Yuan Display Revolution Worth It?

Samsung has just released the 32-inch color e-paper sign EM32DX, priced at $1200, approximately 8626 yuan. This price is quite affordable for e-paper products. How does this large screen perform in actual use? The development of e-paper technology has been rapid, evolving from the initial black-and-white Kindle screens to such large color displays, which is … Read more

Calculating DSI Clock and Distinguishing Common Concepts in MIPI

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Calculating DSI Clock and Distinguishing Common Concepts in MIPI

Table of ContentsOverviewClock CalculationBasics of LCDClock ConceptsDSI Clock CalculationDistinction of DSI’s “Mode” ConceptDistinction of LCD Screen ModesCOMMAND Mode and VIDEO ModeThree Modes of VIDEO Screen Data TransmissionHS MODE and LP MODESummary OverviewAfter the explanation of the DSI protocol in the previous article, many people may still feel confused, as there are too many concepts and … Read more

Introduction to MIPI DSI Host Controller

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Introduction to MIPI DSI Host Controller

In a display system based on MIPI DSI, the Host Controller (hereinafter referred to as HC) is an essential component. It can be integrated with other components in the following ways:The internal structure block diagram of HC is as follows:The interfaces with the “System” are: DPI, DBI, APB. As known from the meanings and differences … Read more

Twin-engine Mid-thrust + DSI Air Inlet: Is India’s Stealth Fighter Secretly Learning from the J-35?

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Twin-engine Mid-thrust + DSI Air Inlet: Is India's Stealth Fighter Secretly Learning from the J-35?

According to a report by Global Network on June 7, 2025, the latest full-size model of India’s AMCA stealth fighter released by the Ministry of Defense shows that its twin-engine mid-thrust + DSI air inlet layout has an 82% similarity to China’s J-35 fighter. This incident, characterized by international military experts as a “systematic technological … Read more

MIPI DSI-2 v2.2: Overview of DSI Physical Layers

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*Unauthorized reproduction, excerpting, or secondary creation for publication on public platforms or commercial activities is prohibited. If sharing is necessary, please be sure to credit this public account. *This article references the MIPI Specification for Display Serial Interface 2(DSI-2)_v2.2, organized for learning reference only. 5.1 DSI Physical Layer for D Option 5.2 DSI Physical Layer … Read more

Huawei Laptops Achieve Full-Screen Display with Touch Keyboards

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Huawei Laptops Achieve Full-Screen Display with Touch Keyboards

On May 19, Huawei launched two new laptops: MateBook Pro and MateBook Fold Extraordinary Master. Typically, a laptop launch event should focus on hardware specifications such as processors, screens, and battery life. However, this time, the most attention was drawn not to the hardware but to the HarmonyOS system installed on the computers. It may … Read more

Embedded Learning Day 1

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Embedded Learning Day 1

Hello everyone, welcome to my Smart Space. Let’s embark on an immersive learning journey into embedded systems together. The Cortex-M3 is a 32-bit processor core with a 32-bit internal data path, 32-bit registers, and a 32-bit memory interface. The CM3 adopts a Harvard architecture, featuring separate instruction and data buses, allowing instruction fetching and data … Read more

From Development Boards to OpenHarmony: Technical Accumulation and Future Layout

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From Development Boards to OpenHarmony: Technical Accumulation and Future Layout

In the wave of rapid development of IoT technology, development boards serve as the starting point for exploration, carrying the innovative dreams of countless developers. As a team that has long been deeply engaged in the field of embedded development, we have invested significant effort in development boards such as Lattepanda V1, Raspberry Pi 3B, … Read more