All about 
Pulse Sensors

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A plug-and-play sensor that is used to detect the heart rate data is known as a Pulse sensor.

What is a Pulse sensor?

Working principle

It works on the principle of light modulation by blood flow through finger at each pulse.

1. Transmission type
2. Reflection type

Types 

Light emitted from the light-emitting device is transmitted through any vascular region of the body & received by the detector.

Transmission type:












Light emitted from the light-emitting device is reflected by the regions.









Reflection type:




Applications

-Digital heart rate monitor
-Sleep tracking
-Anxiety monitoring
-Remote patient monitoring 
-Alarm system
-Health bands