Raj Kumar – Page 4 – Embedded Prep

SPI Driver Development Guide: Master Linux SPI Driver, Code in C & Architecture Explained (2026)

Feb 21, 2026

—

by

Learn how to write an SPI Driver from scratch. Step-by-step guide to Linux SPI driver, SPI controller driver, SPI device driver, SPI driver code in C, and Raspberry Pi SPI driver development. If you’ve ever connected a sensor, display, ADC, DAC, or flash chip to a microcontroller or Linux board, you’ve already stepped into the…

QNX SDP 8.0: A Complete Beginner-Friendly Guide (What It Is, What’s New, and Why It Matters)

Feb 10, 2026

—

by

Raj Kumar

in QNX Operating System

Learn what QNX SDP 8.0 is, how it works, key differences between QNX 7 and 8, installation steps, download guide, documentation, release notes, and free non-commercial access explained clearly for beginners. If you’re getting into embedded systems, automotive software, real-time operating systems, or safety-critical platforms, you will run into QNX sooner or later. And right…

What Is a Hypervisor? 7 Powerful Reasons Every Beginner Must Understand It in 2026

Feb 2, 2026

—

by

Raj Kumar

in Hypervisor

If you’ve ever wondered how one physical computer can run Windows, Linux, and Android at the same time, the answer usually comes down to one word: hypervisor. Hypervisors quietly power data centers, cloud platforms like AWS, Android emulators, enterprise virtualization stacks, and even your local laptop when you run virtual machines. Yet for something so…

Master How to Write Platform Devices and Drivers (2026)

Jan 26, 2026

—

by

Raj Kumar

in Embedded Linux

Learn how to write Platform Devices and Drivers from scratch using Device Tree, I2C, interrupts, and testing, explained clearly for beginners. If you are stepping into Linux device driver development, sooner or later you will hear one phrase again and again: Platform Devices and Drivers.They sound complex at first, but once you understand the flow,…

Master How to Count Duplicates in a Linked List (2026)

Jan 24, 2026

—

by

Raj Kumar

in linked lists

Learn how to count duplicates in a linked list in C++ with this beginner-friendly guide. Step-by-step explanation, easy-to-understand code, and tips for detecting duplicate nodes efficiently. Linked lists are one of the fundamental data structures in programming. While they are simple to understand, performing operations like counting duplicates can be tricky for beginners. In this…

Must Know Queue Interview Questions | FIFO Data Structure Explained for Coding Success (2026)

Jan 18, 2026

—

by

Raj Kumar

in Algorithms and Data Structures

Discover the most common Queue interview questions and answers. Learn FIFO concepts, types of queues, real-world applications, and essential tips to excel in coding interviews. A queue is one of the most fundamental data structures in computer science, yet it is often underestimated. Unlike stacks or arrays, queues are built around a very simple, intuitive…

Master Most Asked Stack Coding Questions in Interviews (With Patterns & Tricks 2026)

Jan 18, 2026

—

by

Raj Kumar

in Algorithms and Data Structures

Master the most asked Stack Coding Questions with this complete list of beginner to advanced problems. Perfect for coding interviews and placements. Stack interview questions are among the most frequently asked problems in coding interviews, especially for product-based companies and FAANG roles. A stack follows the LIFO (Last In, First Out) principle and is heavily…

Drone Programming: Master How to Learn Drone Programming from Scratch (2026)

Jan 17, 2026

—

by

Raj Kumar

in Drone Programming

Learn drone programming step by step with this beginner-friendly guide. Understand drone coding, Python, DJI drones, FPV learning, simulators, and real-world drone skills. If you are curious about drone programming, you are already ahead of most people. Drones are no longer just flying toys. They are used in photography, videography, agriculture, mapping, delivery, defense, and…

Master Linked List Coding Questions (2026)

Jan 17, 2026

—

by

Raj Kumar

in Embedded C Interview Questions

Learn Basic Linked List Coding Questions with simple explanations and beginner-friendly code examples. Perfect for students and interview preparation. Basic Linked List Coding Questions are designed to help beginners master one of the most fundamental data structures in programming. A linked list is a collection of nodes where each node contains data and a reference…

Operating System Syllabus: Master Beginner-Friendly Guide with Concepts, Examples, and Real-World Insight (2026)

Jan 17, 2026

—

by

Raj Kumar

in Operating System Syllabus

Learn the complete operating system syllabus in a beginner-friendly way. Covers processes, memory, scheduling, file systems, Linux, Windows, and real-world examples. his guide covers the operating system syllabus in a clear, structured, and beginner-friendly way, designed for students who want real understanding, not just exam answers. It explains how an operating system works behind the…

Author: Raj Kumar