Thursday, April 18, 2013

Week 1/2 Dehydration Sensor Project Overview

Summary

Our project focuses on the creation of a sensor that can detect if an individual is dehydrated. The device makes use of two sensors: a pulse oximeter, which measures the amount of oxygen in the bloodstream, and galvanic skin response (GSR), which measures the conductivity of the skin. These two measurements together can be used to detect dehydration. Once this data is gathered, the data is outputted to the computer program MATLAB which will filter the signals and check that the values are within the healthy threshold for dehydration. If it is not, MATLAB will turn switch on an external circuit that turns on a light-emitting diode (LED). 

Goals

1. Get readings from the pulse oximeter and GSR
2. Find a threshold value for dehdyration levels.
2. Output the signals from the sensors to MATLAB
3. Write MALTAB code that checks if the values are within threshold.
4. Turn on the circuit if the values exceed the threshold. 

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