📚 Embedded Systems Learning Repository

This repository contains categorized notes, PDFs, and guides for Embedded Systems, C/C++ programming, Linux internals, RTOS, and hardware/software design.

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📌 Table of Contents

• Documents
  • Architecture
  • Boot Sequence
  • Bootloader
  • CPP
  • C Programming
  • Certifications
  • Debug
  • ESP32
  • Embedded Notes
  • Embedded_Siksha_Docs
  • Hardware
  • IoT
  • Linux Drivers
  • Linux System Programming
  • Linux Command
  • Linux Kernel
  • Networking Concepts
  • Operating System
  • RTOS
  • Shell Scripting
  • Socket Programming
  • Yocto
  • Additional Resources

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📁 Documents

🗂️ Architecture

• ARM Architecture Note1.pdf

🗂️ Boot Sequence

• Bootloader vs No Bootloader diagrams and design notes

🗂️ Bootloader

• Bootloader Basics.pdf
• Linux_Uboot.pdf

🗂️ CPP

• Interview Questions of OOP.pdf

🗂️ C Programming

Fundamental and advanced C concepts, Embedded C, interview sets, memory layout, segmentation faults, typedef, pointers, storage classes, etc.

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📁 Certifications

• EMC and EMI related notes and guides

📁 Debug

• Debugging Details.pdf

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📁 ESP32

Covers BLE, FreeRTOS, Sleep Modes, Event Loop, Arduino setup, etc.

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📁 Embedded Notes

🗂️ slides

Includes notes on:

• State Machine
• CPU Registers
• DMA
• RTOS vs Bare Metal
• Processor Design
• Design Patterns
• and more

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📁 Hardware

Complete set of PDFs on:

• Analog & Digital Circuits
• Protocols (CAN, UART, SPI, I2C)
• PCB Design Guidelines
• MOSFETs, LDOs, Voltage Rules
• Microcontroller Selection

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📁 IoT

• IoT Notes.pdf

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📁 Linux Drivers

• Linux PCI Drivers Notes.pdf

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📁 Linux System Programming

• DMA, Device Tree, IPC, Threading
• APUE-based notes
• Shell scripting
• Debug techniques

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📁 Linux Command

• Linux command-line basics and handbooks
• Git tutorials

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📁 Linux Kernel

• Kernel crash/dump analysis
• Device drivers
• Linux Kernel Architecture (Wrox, ALCDA, etc.)
• Real-world debugging & kgdb setup

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📁 Networking Concepts

• Bluetooth_vs_WiFi.pdf
• Ethernet_Technology_Networking_Concepts.pdf
• LWIP Explained.pdf
• OSI networking model

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📁 Operating System

• DMA_Introduction.pdf

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📁 RTOS

• FreeRTOS.pdf
• FreeRTOS Notebook.pdf
• RTOS_Basics.pdf
• RTOS_Concepts.pdf
• RTOS_in_30_Minutes.pdf
• Watchdog Timers.pdf

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📁 Shell Scripting

• Shell Scripting .pdf

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📁 Socket Programming

• Socket Programming cs556-3rd-tutorial.pdf

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📁 Yocto

• Yocto.pdf

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📄 Additional Resources

• C Coding Standards.pdf
• Embedded-C.pdf
• How to use CTags.pdf
• Memory Segment Understanding.pdf
• Scada system!!!.pdf

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✅ This repository is tailored for embedded firmware engineers, system programmers, and hardware/software enthusiasts preparing for interviews or deepening their technical knowledge.