Chest movements with strain gauge

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hello!

i'm thinking of using strain gauge detect chest movements occur during cough (to detect cough).
the problem i'm not familiar strain gauges, don't know how implement it.
i've done using piezoeletric elastic around chest. how can similar strain gauge?
this example: https://www.researchgate.net/publication/304573549_calibrating_respiratory_strain_gauges_what_the_numbers_mean_for_monitoring_respiration
but don't know how done!
also read mercury-in-rubber strain gauges..

suggestions? :)

quote from: diogotec on jul 06, 2017, 12:39 am
suggestions? :)
find tutorials on web strain gauges , learn how work. 


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