Raj Kumar – Page 35 – Embedded Prep

Architecture of CAN Bus System | Master CAN Interview Questions (2026)

Aug 12, 2025

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in CAN Bus, CAN Interview Questions, CAN Protocol, Communication Protocols, Embedded, Embedded Systems

Architecture of CAN Bus System: The Controller Area Network (CAN) bus system is a popular communication protocol widely used in automotive and industrial applications. It allows multiple electronic control units (ECUs) to communicate with each other efficiently over just two wires. In this article, we will explain the basic architecture of a CAN bus system…

What is Bit Stuffing in CAN Bus Communication? | Master CAN Interview Questions (2026)

Aug 12, 2025

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Raj Kumar

in Automotive Electronics, CAN Bus, CAN Interview Questions, Communication Protocols, Embedded, Embedded Systems, Networking in Embedded Systems

Bit Stuffing in CAN (Controller Area Network) is a technique used to ensure reliable data transmission by inserting extra bits into the data stream. This prevents long sequences of identical bits, helping maintain synchronization between sender and receiver. In this article, we explain what bit stuffing is, why it’s essential in CAN communication, and how…

Find the Number That Appears Odd Number of Times | Master Beginner Friendly Tutorials (2026)

Aug 11, 2025

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Raj Kumar

in Automotive Ethernet, bitwise operator tutorial, coding interview question, find number odd number of times, odd occurrence in array, XOR bit manipulation

Master the problem of finding the number that appears odd number of times in an array with this beginner-friendly guide. Learn step-by-step how the XOR operation works to solve this problem efficiently in O(n) time and O(1) space. Includes detailed explanations, example walkthroughs, and fully working code in C, C++, Java, and Python. Perfect for…

Minimum Bit Flips to Convert Number | Master Beginner’s Guide with LeetCode Solution 2026

Aug 11, 2025

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Raj Kumar

in Bit Manipulation, Embedded, LeetCode Solutions, XOR bit manipulation

Minimum Bit Flips to Convert Number : When working with binary numbers in programming, you might encounter a problem where you need to find the minimum number of bit flips required to convert one number into another. This is a common interview and LeetCode problem that tests your understanding of bit manipulation. In this guide,…

Master DHT11 to Firebase ESP8266 and ESP32 | Beginner’s Guide to Send Data & Display on Website (2026)

Aug 10, 2025

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Raj Kumar

in Arduino Projects, Embedded, IoT Projects, Web Development

Learn how to connect Wi-Fi, read Master DHT11 to Firebase ESP8266 and ESP32 Beginner’s Guide to Send Data & Display on Website (2025), and display temperature & humidity data live on your custom HTML/CSS/JS website. Learn how to read temperature & humidity from a DHT11 using ESP8266/ESP32, send it to Firebase Realtime Database over Wi-Fi,…

Master Hello World using Yocto | Build & Run a Linux Kernel Driver on BeagleBone Black (2026)

Aug 9, 2025

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Raj Kumar

in BeagleBone Black, Embedded Linux, Yocto Project

Hello World using Yocto : Learn how to build a simple “Hello World” Linux kernel module from scratch using the Yocto Project for the BeagleBone Black. This step-by-step guide covers everything you need — from installing essential build tools, cloning the Yocto and meta-ti layers, creating a custom meta layer for your kernel module, writing…

Hello World Kernel Driver, Master How to Write in Linux (Step-by-Step Guide 2026)

Aug 9, 2025

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Raj Kumar

in Embedded Linux

Hello World Kernel Driver : If you are starting your journey into Linux device driver development, writing a simple Hello World kernel module is the perfect first step. In this tutorial, we will walk you through creating, compiling, and loading a kernel driver in Linux — all in a beginner-friendly way. Learn how to write…

The Rising Importance of Rare Earth Materials in the Automotive Industry (2026 Update)

Aug 9, 2025

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Raj Kumar

in Rare Earth Materials

Discover why rare earth materials like neodymium, dysprosium, and terbium are critical for the automotive industry in 2025. Learn how electric vehicle motors, car components, and global supply chains are being impacted by China’s export restrictions, and explore how countries like the U.S. and India are securing alternative sources to reduce dependency. Stay informed with…

LIN in Automotive Interview: Master Complete Guide for 2026

Aug 9, 2025

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Raj Kumar

in Automotive Networking, LIN automotive interview, LIN Protocol, Vehicle Communication Protocols

LIN in Automotive Interview is a common topic for engineers in the automotive industry. This guide explains the LIN protocol, its applications, common interview questions, and preparation tips to help you succeed. When it comes to automotive interviews, one topic that often surprises candidates is the Local Interconnect Network (LIN) protocol. While most engineers are…

Master CAN Bus Interview Questions 2026

Aug 3, 2025

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Raj Kumar

in , Industrial Automation, Networking Protocols, Automotive Protocols, CAN Interview Questions, Communication Protocols, Embedded, Interview Preparation

CAN Bus Interview Questions : If you are preparing for an embedded systems or automotive interview, chances are you’ll face questions on CAN bus, a widely-used communication protocol in vehicles. This article simplifies CAN bus interview questions for beginners and helps you understand the key concepts, architecture, message handling, and real-world applications in a friendly…

Author: Raj Kumar