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The 1st Arduino Playground in Greece - Open Source Hardware

Hall Effect Sensors 2: Synchronizing Motion

24/1/2016

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by SteveQuinn @instructables
This Instructable documents how to create a simple heart rate monitor using Photoplethysmography with an IR phototransistor via transmissive absorption using the Arduino to process the pulsatile data and display live results via a TFT screen.
To use the source code and create the necessary circuitry you will need a reasonable grasp of electronics, knowledge of the Arduino, a DMM and some patience.
The design has been optimised to work with easily obtainable 'off the shelf' commercial parts and re-purposed household items and gives reasonable results.

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