Glasses-free three-dimensional (3D) display techniques provide immersive experiences for human–computer interaction, enabling broad applications including digital twin ecosystems, remote education and ...
The build: → ELEGOO UNO R3 → Arduino IDE for the firmware → Optical pulse sensor reading PPG (Photoplethysmography) off a fingertip → 16x2 LCD (I2C) to show live BPM → LEDs to indicate safe vs. unsafe ...
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