Wearable technology for personal health monitoring is the wave of the future and potentially very big business. Every day, there’s a new wrist band or smart watch capable of monitoring heartbeat, workout activity (stand, move, and exercise), calories, heart rate, sleep patterns, and more. In this article, we will look at the technology behind heart-rate monitoring, its challenges, and ways to reduce power consumption, thereby extending the useful life of the wearable device between recharges...
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