How Sensors Collect, Process, and Track Data in Wearable Devices

· freeCodeCamp.org · Aug. 21, 2026, 10:44 p.m.
Summary
This blog post explores how sensors in wearable devices like smartwatches collect, process, and track health-related data, including heart rate, steps taken, and sleep duration. It provides insight into the technology behind these features and its impact on users' health tracking.