Implementing SD Card Data Storage via SPI Interface on Microcontrollers

Implementing SD Card Data Storage via SPI Interface on Microcontrollers

Ahem… another sleepless night tortured by SD cards! I remember a young engineer asking me last week, “Why does his data keep disappearing after writing?” This reminded me of my own struggles back in the day. The SD card, though seemingly insignificant, often gives engineers a headache… What exactly is an SD card? Simply put, … Read more

Fundamentals of Four-Line SPI Communication and Daisy Chain Configuration

Fundamentals of Four-Line SPI Communication and Daisy Chain Configuration

Formatting | Last BugThe main content shared today is derived from ADI’s SPI knowledge study. SPI is one of the most commonly used communication methods in embedded development. However, most embedded software engineers often focus more on upper-layer software development and tend to overlook some underlying signal formats. When communication issues arise, it can be … Read more

Compilation of Regulatory Cases: Revenue Section (Part 3)

Compilation of Regulatory Cases: Revenue Section (Part 3)

1. Accounting Treatment of Receivables from Suppliers How should the amounts received by dealers from suppliers be accounted for? Case: Company A primarily engages in automobile dealership, with its main profit sources being the gross profit from buying and selling and rebates from various automobile manufacturers. At the end of the reporting period, there were … Read more

Six Common Data Structures in Embedded Programming

Six Common Data Structures in Embedded Programming

▼Click the card below to follow our public account ▼ Today, embedded systems are increasingly applied in various fields such as smart homes, smart healthcare, industrial automation, and intelligent transportation. In the process of embedded system development, data structures are an essential knowledge point. This article will introduce several common data structures in embedded programming, … Read more

Top Ten Troubleshooting Methods for Touch Screens

Top Ten Troubleshooting Methods for Touch Screens

Many users encounter situations where the touch screen becomes unusable due to faults. This is primarily because touch screens are precision devices, and their widespread use leads to frequent malfunctions. Below are some common troubleshooting and maintenance methods for touch screens: When a touch screen malfunctions, first check if the power supply to the control … Read more

Empowering the Future: Desheng Classroom Begins an Innovative Journey

Empowering the Future: Desheng Classroom Begins an Innovative Journey

Deepseek has emerged, refocusing the world’s attention on the field of AI. In today’s rapidly developing artificial intelligence landscape, how can Desheng better engage with this cutting-edge technology? What “magic” does Desheng’s AI classroom hold? Today, let’s explore the answers from the AI curriculum at Desheng School in Shunde (Elementary Division) — from “Conversational Xiao … Read more

Official Launch of the 2.0 Educational Reform for the Course ‘Automotive Embedded System Design and Applications’ Based on Industry-Education Integration

Official Launch of the 2.0 Educational Reform for the Course 'Automotive Embedded System Design and Applications' Based on Industry-Education Integration

This is the 964th post from the School of Automotive and Transportation. Official Launch of the 2.0 Educational Reform for the Course ‘Automotive Embedded System Design and Applications’ Based on Industry-Education Integration To solidly promote the “Industry-Enterprise Integration into Schools” cooperation model of the Sichuan Intelligent and New Energy Vehicle Industry College, on March 11, … Read more

Rehabilitation Treatment for Autonomic Nervous Dysfunction After Stroke

Click the blue text to follow us Source “Chinese Rehabilitation” December 2022, Volume 37, Issue 12 Introduction Autonomic nervous dysfunction is one of the common functional disorders after stroke, and its assessment and rehabilitation treatment are important parts of stroke rehabilitation. Despite a large amount of literature on autonomic nervous dysfunction after stroke, there is … Read more

Bioinformatics: Accelerating FASTA Sequence Alignment with SIMD Instruction Sets in Go

Bioinformatics: Accelerating FASTA Sequence Alignment with SIMD Instruction Sets in Go

Click the “blue text” above to follow us Late at night, the laboratory is brightly lit. Old Wang stares at the screen, frowning. “This FASTA sequence alignment is way too slow! How long will it take to align a set of human genomes?” This scene seems familiar, right? In the field of bioinformatics, sequence alignment … Read more

Debugging nRF9160 Zephyr Applications with Ozone

Debugging nRF9160 Zephyr Applications with Ozone

Ozone is a free embedded software debugger from SEGGER. It is a powerful tool that allows you to gain deep insights into what is happening within embedded systems. It is particularly useful when debugging nRF9160 Zephyr applications. Organizing multiple threads and multi-image builds can be challenging, but this is the tool you want. In our … Read more