Beyond Blinky

Object-Oriented C++ Programming for Embedded Systems

Most embedded teams say they “avoid OOP” and “stick to C.” But look closely at real C codebases and you’ll find function-pointer tables, opaque handles, and generic device arrays—manual object models built the hard way.

Beyond Blinky shows how to embrace that reality consciously, using modern C++ to design firmware that is readable, portable, and owned—without sacrificing performance or control.

This book is about moving past the blinking LED mindset and designing embedded systems as living architectures, not scripts.

To blinky and beyond—Let's make your IO sing!

Nguyen Hoan Hoang

Beyond Blinky shows how to embrace that reality consciously, using modern C++ to design firmware that is readable, portable, and owned—without sacrificing performance or control.

This book is about moving past the blinking LED mindset and designing embedded systems as living architectures, not scripts.

To blinky and beyond—Let's make your IO sing!

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About

About the Book

Most embedded firmware starts simple—and quietly accumulates complexity until change becomes risky.

Beyond Blinky is a practical, experience-driven guide to designing embedded firmware that scales, using modern C++ in a disciplined, predictable way. It is written for developers who already know embedded C or C++ and want to move beyond fragile super-loops, board-specific code, and architectures that collapse under real product requirements.

This book focuses on architecture, not frameworks.

You will learn how to structure firmware around devices, interfaces, and relationships instead of global functions and configuration sprawl. The techniques shown avoid dynamic memory on critical paths, preserve timing predictability, and remain close to the hardware—while still benefiting from object-oriented design.

All concepts are demonstrated with real production code, including complete driver structures and full SystemInit implementations across multiple MCU vendors. Nothing is hidden behind generators, GUI tools, or opaque build systems.

This is not a beginner’s tutorial or an SDK reference. It is a design-oriented book for engineers who build and maintain embedded products.

To blinky and beyond—let’s make your IO sing!

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Author

About the Author

Nguyen Hoan Hoang

Nguyen Hoan Hoang (B.Eng., Polytechnique Montréal) is a hardware–software engineer, founder of I-SYST Inc., and author of IOsonata. Beyond Blinky documents the architecture and reasoning that produced IOsonata—analog thinking applied to embedded OOD, with budgets, margins, composition-root wiring, and repeatable validation.

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