Blood Oxygen HeadbandDesigned and implemented a light-based brain scanner using functional Near-Infrared Spectroscopy (fNIRS). Posted Nov 2, 2025 Updated Nov 4, 2025 Full assembly of Blood Oxygen Board and ESP32 Controller. By Oliver Hansen 1 min read Blood Oxygen Headband Contents Blood Oxygen Headband Project Poster Portfolio Junior This post is licensed under CC BY 4.0 by the author. Share