AMJAD·REHAWI
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Hackathon · Wearable

PalmSync

Embedded heart-rate device that won the CrossFit Maker Challenge.

Shipped · Hackathon win2024wearablePPGDSPhackathon

Wrist wearable that survives heavy lifting.

  • Pressure-compensated front-end with adaptive gain
  • On-device motion-artifact rejection
  • Accuracy: 76% → 93% on CrossFit workout dataset
  • Won the SCU CrossFit Maker Challenge
Summary

A wrist-worn heart-rate monitor designed to survive heavy lifting. Combined a pressure-compensated front-end with motion-artifact rejection — accuracy went from a 76% baseline to 93% in real-world CrossFit conditions.