Embedded Communication Protocol: How Many CAN Interview Questions Can You Answer?

Embedded Communication Protocol: How Many CAN Interview Questions Can You Answer?

1. What is the basic working principle of the CAN bus? The CAN bus is a multi-master serial communication protocol primarily used in automotive and industrial control. It transmits data through differential signals (CAN_H and CAN_L) and has a high anti-interference capability. The CAN bus employs a non-destructive bit arbitration mechanism to ensure that high-priority … Read more

Embedded Communication Protocol: How Many RTOS Interview Questions Can You Answer?

Embedded Communication Protocol: How Many RTOS Interview Questions Can You Answer?

1. What Is the Task State Machine Model? The task state machine model describes the lifecycle and state transitions of a task. Typical states include: (1) Ready: The task can execute but is waiting for the scheduler to allocate CPU. (2) Running: The task is currently using the CPU to execute. (3) Blocked: The task … Read more

Mastering Embedded Core: MCU I2C Bus Protocol and Sensor Integration Guide

Mastering Embedded Core: MCU I2C Bus Protocol and Sensor Integration Guide

The I2C bus is one of the most commonly used communication protocols in embedded systems, serving as a “dedicated highway” between microcontrollers and various sensors and memory devices. Today, let’s discuss how this protocol works and how to use it to read data from temperature and humidity sensors. I2C Protocol Basics The I2C protocol uses … Read more

Embedded Communication—Detailed Explanation of UART, RS232, and RS485 Protocols

Embedded Communication—Detailed Explanation of UART, RS232, and RS485 Protocols

Click the Blue Word Follow Us UART (Universal Asynchronous Receiver/Transmitter) is a widely used serial communication protocol, typically used for communication between computers and peripherals. It is a general-purpose serial, asynchronous communication bus with two data lines that enable full-duplex transmission and reception. UART is a serial communication protocol that transmits data bytes bit by … Read more

Embedded Communication Protocol: How Many IIC Interview Questions Can You Answer?

Embedded Communication Protocol: How Many IIC Interview Questions Can You Answer?

1. What is the Validity of IIC Protocol Data? (1) Data Transmission Format Start and Stop Conditions: When the SCL line is high, a transition from high to low on the SDA line indicates a start condition; when SCL is high, a transition from low to high on the SDA line indicates a stop condition. … Read more

Comprehensive Analysis of Microcontroller Communication Protocols: UART, I2C, SPI, etc.

Comprehensive Analysis of Microcontroller Communication Protocols: UART, I2C, SPI, etc.

Hello everyone, I am XXX. Today I bring you a detailed analysis of microcontroller communication protocols, including mainstream protocols such as UART, I2C, and SPI. These protocols are the bridge for data exchange between microcontrollers and other devices, and mastering them is crucial for embedded system development. Let’s break them down one by one, and … Read more

Embedded Communication Protocol: How Many SPI Interview Questions Can You Answer?

Embedded Communication Protocol: How Many SPI Interview Questions Can You Answer?

The above ☝️☝️☝️ is about a food-related public account, where each recipe has detailed steps and high-definition images, making it easy for kitchen novices to get started. Follow it to unlock more delicious recipes and fill your meals throughout the seasons with surprises! 1. What are the characteristics of SPI communication? SPI communication, or Serial … Read more

Common Communication Protocols in Embedded Systems

Common Communication Protocols in Embedded Systems

Source: https://blog.csdn.net/an520 UART, SPI, and I2C are very common serial communication methods in embedded development. The underlying principles of these communications are not difficult, but many beginners struggle to learn them. Today, I will share some common low-level data transmission principles of communication. UART Serial Port UART: Universal Asynchronous Receiver-Transmitter. UART is the most common … Read more

The Embedded AI Revolution: How DeepSeek’s Open Source Ends GPU Dominance and Initiates a New Era for MCUs

The Embedded AI Revolution: How DeepSeek's Open Source Ends GPU Dominance and Initiates a New Era for MCUs

▼Click the card below to follow our official account for more exciting content▼ Welcome to follow the 【Mastering MCU and Embedded Systems】 official account, reply with keywords to get more free videos and materials Reply with 【Add Group】, 【MCU】, 【STM32】, 【Hardware Knowledge】, 【Hardware Design】, 【Classic Circuits】, 【Thesis】, 【Graduation Project】, 【3D Packaging Library】, 【PCB】, 【Capacitor】, 【TVS】, … Read more

Lua RTOS: A Popular Real-Time Operating System for Embedded Platforms

Lua RTOS: A Popular Real-Time Operating System for Embedded Platforms

Introduction In the field of embedded systems, efficiency and resource optimization are crucial. Lua RTOS, as an outstanding real-time operating system, stands out due to its minimal requirements for FLASH and RAM memory. This article will detail the characteristics and functions of Lua RTOS, focusing on its compatibility with popular platforms such as ESP32, ESP8266, … Read more