Abstract: Light-to-digital converters (LDCs) are essential components in photoplethysmography (PPG) readout chains. Over the past decade, PPG sensors have gathered increased interest due to their ...

Abstract: Photoplethysmogram (PPG) is a bio-optical technology used heavily in wearable health devices for monitoring vital sign parameters. Therefore, ensuring the quality of PPG signals is crucial ...

Neighbors hated this single MOM'S Yard, Now they love it! The neighbors all have beautiful yards, but this single mom hadn’t been able to mow hers in over two years. Vines had crawled through the ...

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Returned material will be collected and processed for reuse in new Sigma Coatings packaging as part of a closed-loop system. Credit: PixelBiss / Shutterstock.com US-based coatings and materials ...