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bezimeni [28]
2 years ago
11

What do you use to calculate the pulse using LIGHT?

Biology
1 answer:
Vinvika [58]2 years ago
4 0

Answer:

A pulse sensor or any optical heart-rate sensor, for that matter, works by shining a green light (~ 550nm) on the finger and measuring the amount of reflected light using a photosensor. This method of pulse detection through light is called Photoplethysmogram.

Explanation:

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