
Wearable Innovations: Engineering Smartwatches from Scratch
Prototype health-tracking smartwatches with PPG, SpO2, RTC, and displays
Created by Israel Gbati
Discover how to engineer the core features of a health-tracking smartwatch from the ground up. Learn to combine sensor technology, timekeeping, and display integration to create a functional wearable prototype. Gain hands-on experience with real-world components and algorithms used in personal health monitoring.
Packt | Jul 2026 | 1024 min
What You Will Learn
You will start by exploring the science behind wearable health sensing and digital health applications. Step by step, you'll develop firmware for PPG-based heart rate and SpO2 tracking, implement RTC features, and connect a round display. Each section builds your skills through hands-on projects that lead to a fully integrated smartwatch prototype.
Key Features
- Build drivers and algorithms for heart rate and SpO2 tracking using PPG sensors
- Integrate real-time clock and display modules for complete smartwatch functionality
- Understand and apply core wearable health technology principles in practical projects
Target Audience
Ideal for engineers, embedded developers, and tech enthusiasts with some programming experience who want to prototype wearable devices. If you're interested in health sensors, embedded systems, or building your own smartwatch features, you'll find practical, project-based guidance to help you reach your goals.





