ESP32-S3-Based Multimodal Wearable for Remote Vital-Sign Acquisition with ECG-to-PPG Pulse-Arrival-Time Tracking and Functional Cloud Triage: An Engineering Proof of Concept
The work demonstrates an end-to-end low-cost remote-monitoring proof of concept spanning wearable sensing, dual-core firmware, cloud storage, role-based dashboards, and human-in-the-loop triage and supports system integration and engineering feasibility.