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Master Zephyr RTOS: From Fundamentals to Real-Time Embedded

Name: Master Zephyr RTOS: From Fundamentals to Real-Time Embedded
Rating: 4.1 (18 reviews)

Learn RTOS fundamentals and build real embedded applications using Zephyr RTOS with hands-on examples on QEMU and STM32

Created byMayuri Khadgi

Last updated 5/2026

English

What you'll learn

Gain a strong foundation in embedded systems and real-time concepts
Understand how microcontrollers, SoCs, and peripherals work together
Learn C programming concepts required for embedded and RTOS development
Set up a professional embedded development environment
Understand RTOS fundamentals and why RTOS is used in real products
Work hands-on with Zephyr RTOS, covering architecture, kernel services, and application development
Create and manage tasks/threads, priorities, and scheduling
Implement inter-task communication and synchronization
Work with interrupts, timers, and low-level hardware events
Configure hardware and system behavior using Zephyr Devicetree and Kconfig
Develop and run applications on real hardware and simulators (QEMU)
Debug embedded applications using logs, debuggers, and tracing tools
Learn memory management techniques for constrained systems
Understand embedded system boot process and boot-time concepts
Apply power management techniques for low-power devices
Build a real-world mini project using Zephyr RTOS step by step
Follow industry best practices for scalable and maintainable embedded firmware
Gain confidence to work on production-grade embedded systems
Prepare for embedded/RTOS job interviews and projects

Course content

7 sections • 65 lectures • 4h 30m total length

What you will learn in this course1:24
Your First Zephyr Application on STM325:50
Who this couse is for0:51
About the Instructor1:10
Meet Mayuri Gharge, an embedded systems expert who guides you through CIFAR RTOS fundamentals to real-time embedded design, blending practical experience and insights from Intel, AMD, Xilinx, and Microchip.
Important Notes Before Starting1:10
Downloadable Course Resources0:46
Access downloadable resources for this Zephyr RTOS course, including required documentation, CIFAR open source code, prj.config, device tree overlays, and the mini project source with a setup guide and references.
Frequently Asked Questions0:46

Types of Real Time Systems1:27
What are Real Time Applications?1:59
Why Embedded Systems Need an RTOS1:37
RTOS vs Bare-Metal Programming1:26
RTOS vs General-Purpose Operating Systems (GPOS)2:58
Compare RTOS and GPOS, as RTOS delivers deterministic timing and low latency via priority-based scheduling, while GPOS prioritizes throughput and may vary latency.
Key Components of an RTOS2:17
Identify the key components of an RTOS, including tasks, a priority-based scheduler, interrupt service routines, inter-task communication mechanisms, and timers, all delivering deterministic, time-critical execution through a system tick.
Determinism, Latency and Jitter2:46
Discover how determinism, latency, and jitter shape real-time behavior in an RTOS, emphasizing predictable timing, bounded latency, and minimal jitter for robust embedded systems.
Priority Inversion in Real-Time Systems2:28
Examine how a high-priority task is blocked by a low-priority task holding a mutex, causing unbounded latency in real-time systems. Learn how priority inheritance preserves timing guarantees.
Priority Inheritance - The Solution to Priority Inversion2:20
Multitasking, Concurrency and Parallelism2:14
RTOS Foundations
Reading Material5:47

What is Zephyr RTOS3:12
Why Zephyr RTOS Exists2:58
When Should you use Zephyr RTOS1:51
Use Zephyr RTOS for real-time, deterministic execution on memory and CPU constrained microcontrollers, offering connectivity, security, and portable firmware across platforms as a lightweight alternative to embedded Linux.
Zephyr RTOS Architecture Overview1:59
Zephyr Kernel Services1:45
Subsystems and OS Services2:09
Hardware Abstraction Layer1:30
Hardware Layer1:09
Zephyr RTOS Use Cases & Industry Adoption1:39
High Level Comparison with Other RTOS1:49
Zephyr RTOS Development Model1:25
Reading Material4:09

Zephyr Development Environment Setup1:19
Workflow We will Follow in This Section1:34
Linux Setup and Required Dependency Tools Installation (Linux & macOS)5:46
Python Virtual Environment5:59
west - Zephyr Meta tool2:44
Zephyr Workspace Setup (Using Virtual Environment)7:04
Configure the Zephyr workspace inside a Python virtual environment. Use west init, west update, and west zephyr export to prepare and build Zephyr applications.
Zephyr SDK Installation5:46
First Zephyr Application: Hello World14:35
Command References3:38
Review a complete CIFR command reference covering system setup, Python virtual environment, workspace initialization, environment exports, and the CIFR SDK, plus building Hello World and hardware detection.
The Troubleshooting Safety Net4:59

Zephyr Application Section Introduction1:36
Zephyr Application Structure6:16
Explore the anatomy of a CIFAR application, where main.c acts as the brain, prj.conf enables capabilities, and CMakeList.txt ties the build together, with boards, include, and modules supporting scalable firmware.
Creating new Zephyr Application (From Scratch)6:56
Understanding prj.conf2:45
Understanding CMakelist.txt3:13
How CMake, Kconfig , and Devicetree Work Together2:01
Demo - Building a Zephyr Application with West (STM32 Hands-On)9:27
Demo - Flashing and Running Application on STM32 Board3:35
Using printk() with STM32 UART + Demo4:42
Understanding the Build Folder + Demo4:33
Compile and Run Application on QEMU + Demo3:41
Reading Material5:18

Why Zephyr Uses Devicetree7:12
Nodes, Properties, Compatible, Labels, and Aliases9:46
Explore how the device tree structures hardware as a hierarchical blueprint with nodes, properties, labels, and aliases, enabling clear relationships and convenient access to components.
Demo - STM32 Devicetree Walkthrough: Understanding Real Hardware Mapping7:18
Devicetree Bindings7:51
STM32 Board Devicetree File (Board → SoC Layers) (Theory)8:40
Demo - STM32 Board Devicetree File (Board .dts → SoC .dtsi Layering)7:31
Devicetree Overlays (Customization Layer) + Demo9:19
STM32 LED Control Using Devicetree (Theory)6:43
STM32 LED Control Using Devicetree: Code Walkthrough5:22
STM32 Button Input using Devicetree + Interrupts Theory7:46
STM32 Button Input using Devicetree + Interrupt Demo9:46
Reading Material5:10

Requirements

Basic computer skills (installing software, using folders, command line basics)
Basic understanding of C programming is helpful but not mandatory
Familiarity with any programming language (C/C++/Python) is a plus
No prior RTOS experience is required
No prior embedded systems experience is required
A Windows or Linux PC with internet access
Willingness to learn hands-on and practice with examples
Basic knowledge of microcontrollers
Basic understanding of electronics concepts (GPIO, UART, I2C, SPI)
Interest in embedded systems, IoT, or real-time applications

Description

This is a structured, hands-on course focused on deep understanding—not quick shortcuts.

If you are new to RTOS, don’t worry — we start with fundamentals and gradually move to advanced concepts like Devicetree and Kconfig.

Zephyr RTOS is a modern, open-source real-time operating system designed for embedded and IoT applications that require reliability, scalability, and low power consumption.

This course, Master Zephyr RTOS: From Fundamentals to Real-Time Embedded Systems, is designed to take you from the basics of RTOS concepts to confident intermediate-level development using Zephyr, with a strong focus on structured learning and hands-on implementation.

You’ll start by learning what a real-time operating system is, how it differs from bare-metal programming, and why Zephyr is gaining popularity in modern embedded systems. The course then moves into hands-on development, where you’ll install the Zephyr SDK, set up the build environment, and run your first applications on real hardware.

Throughout the course, you’ll work with essential Zephyr concepts such as Devicetree, Kconfig, project configuration, and the west build system. You’ll learn how to create and manage threads, understand scheduling and timing behavior, and work with GPIO, interrupts, and kernel services.

In the intermediate section, the course covers practical features used in real projects, including logging, shell, storage, sensors, debugging tools, power management, and custom board configuration.

Who this course is for:

- Beginners who want a structured, step-by-step introduction to RTOS
- Embedded developers transitioning to Zephyr RTOS
- Engineers working on IoT and real-time embedded systems
- Learners willing to practice and build strong fundamentals

This course is NOT for:

- Those looking for quick shortcuts without understanding core concepts
- Learners expecting advanced topics without covering fundamentals
- Anyone not interested in hands-on practice

By the end of this course, you’ll be able to design, build, and debug reliable embedded applications using Zephyr RTOS with confidence.

Course Updates:

This course is actively being expanded. The currently available sections already cover all foundational and intermediate concepts required to start building real applications.

New sections will be added regularly to cover advanced topics, real-world use cases, and deeper insights into Zephyr RTOS.

By enrolling now, you will receive all future updates at no additional cost.

Who this course is for:

Beginners who want to start a career in embedded systems
Engineering students (ECE, EEE, Instrumentation, Mechatronics, CS) interested in embedded software
Software developers who want to transition into embedded or IoT development
Electronics hobbyists and makers who want to understand how real embedded systems work
Embedded developers who want to move from bare-metal programming to RTOS-based systems
Professionals looking to learn Zephyr RTOS and modern embedded workflows
IoT developers working with microcontrollers and SoCs
Anyone preparing for embedded systems or RTOS job interviews
Learners who prefer hands-on, practical, real-world examples

Master Zephyr RTOS: From Fundamentals to Real-Time Embedded

What you'll learn

Explore related topics

Course content

Introduction7 lectures • 12min

Real Time Systems and RTOS Fundamentals11 lectures • 27min

Introduction to Zephyr RTOS12 lectures • 26min

Zephyr Development Environment Setup - Linux10 lectures • 53min

Zephyr Application Basics12 lectures • 54min

Understanding Zephyr Configuration1 lecture • 6min

Devicetree in Zephyr12 lectures • 1hr 32min

Requirements

Description

Who this course is for: