Heartbeat Sensor Module

SKU: OMP-S043 Category:

Description

PRODUCT DETAILS

This project uses bright infrared (IR) LED and a phototransistor to detect the pulse of the finger, a red LED flashes with each pulse.

Pulse monitor works as follows: The LED is the light side of the finger, and phototransistor on the other side of the finger, phototransistor used to obtain the flux emitted, when the blood pressure pulse by the finger when the resistance of the phototransistor will be slight changed.

The most important is to keep the shield stray light into the phototransistor. For home lighting that is particularly important because the lights at home mostly based 50HZ or 60HZ fluctuate, so faint heartbeat will add considerable noise.

SPECIFICATIONS

Working voltage: 5V

Used for synthesized teaching experiment

Use IR LED and optical transistor to detect pulsation in fingers

Dimensions: 25 x 22 x 17mm

Weight: 2g

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