The Linux driver introductory course is now online and will be continuously updated! https://www.bilibili.com/cheese/play/ss635583370 01 Introduction to the I2C Bus The I2C bus protocol (Inter-Integrated Circuit) is a serial communication bus protocol proposed by Philips (now NXP), primarily used for low-speed, short-distance communication between a master chip and various peripherals (such as EEPROMs, sensors, RTCs, … Read more
Introduction In modern data centers, supercomputing clusters, and cloud computing platforms, there is a need for high-speed, low-latency, and stable interconnections between servers, switches, and storage devices. Among various interconnection solutions, DAC (Direct Attach Copper) and AOC (Active Optical Cable) are the two most widely used cable solutions. Although they may seem similar, they each … Read more
IoT Device Access Agreement (Clarifying Data Transmission Security and Operational Responsibility Allocation) Template Description This contract is signed between the device access party (Party A) and the device provision and operation party (Party B). The agreement clarifies the specific content of the IoT device access, data transmission services, and operational services provided by Party B, … Read more
Follow+Star Public Account Number, don’t miss out on exciting contentSource | Hardware Notebook Hello everyone, today we will discuss in detail the SPI interface. The article is a bit lengthy, so it is recommended to bookmark it and read it slowly. SPI has now become the most commonly used communication method between MCUs and peripheral … Read more
RS232 and RS485 are two popular serial data communication protocols established by the Electronic Industries Alliance (EIA) for communication between systems and peripheral devices. Although they have been largely replaced by the USB standard on the PC side, they are still widely used in the industrial control field. What is the RS232 Protocol? The RS-232 … Read more
The previous article briefly introduced the host layer of the BLE protocol stack.An Overview of the BLE Protocol Stack (Part I)This article will provide a brief introduction to the controller layer, which mainly includes the link layer and the physical layer. Physical Layer The physical layer primarily implements data transmission and reception in the 2.4 … Read more
With the rapid development of automotive electronics technology, the iteration of technologies such as new energy vehicles and autonomous driving is driving profound changes in the overall vehicle electronic architecture. The number of ECU controllers installed in vehicles has surged from dozens in traditional models to hundreds, and the number of various sensors (such as … Read more
Today, we will discuss the SPI interface. The article is a bit lengthy, so it is recommended to bookmark it and read it slowly. SPI has become the most commonly used communication method between MCUs and peripheral devices. It is a synchronous, full-duplex, master-slave communication interface. The working principle is quite straightforward: the master generates … Read more
Hello everyone, many friends have previously said, “I heard that I2C is very important, but I always struggle with the timing part.” Today, we will thoroughly explain I2C from the basics to practical applications, especially focusing on the timing analysis examples, ensuring you can get hands-on after reading! 1. What is I2C? First, understand “what … Read more
Modern individuals are increasingly concerned about health, fitness, exercise, and personal habits, leading to a growing demand for monitoring personal life data. The smart wearable device market is expected to exceed $100 billion by 2025. The demand for tracking exercise data, analyzing sleep quality, and other monitoring needs has driven the continuous growth of low-power … Read more