Repair Case: iPhone 7 WiFi Module Replacement Leading to White Screen Reboot and Error 4013

Repair Case: iPhone 7 WiFi Module Replacement Leading to White Screen Reboot and Error 4013

Good evening, everyone. Thank you for your continued support of our BlueRay team. We are dedicated to creating more comprehensive electronic repair diagrams. BlueRay To help everyone better understand the BlueRay team, we will periodically share some practical experiences. We hope that in the future, when encountering the same fault issues, our fellow colleagues can … Read more

Explaining Wireless Communication Modules to IoT Beginners: It’s Simple, Just Like Making a Phone Call

Explaining Wireless Communication Modules to IoT Beginners: It's Simple, Just Like Making a Phone Call

Author: iot101 IoT Think Tank Original Please indicate the source and origin when reprinting —— [Introduction] —— How should we explain what a “communication module” is to a beginner who has just entered the field of IoT? What key role does the communication module play in the IoT industry chain? This is the 3rd article … Read more

Measurement Methods for LIN Bus Using Oscilloscope and Multimeter

Measurement Methods for LIN Bus Using Oscilloscope and Multimeter

1. Self-Diagnosis of LIN BusWhen performing self-diagnosis on the LIN data bus system, the address code of the LIN master control module must be used. The self-diagnostic data is transmitted from the LIN slave control module to the LIN master control module via the LIN bus. All self-diagnostic functions can be completed on the LIN … Read more

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