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Building a pulsoximeter project

Hello Everyone I am a final year student puruing my development project - 'Pulsoximeter'. After all the research I am at a stage where I have to design a pulsoximeter by using some sensors (Eg.TSL230R - Light to Frequency converter). I would be really grateful to someone who could suggest me a circuit design or even some resources which could be helpful in the design. I need a start to carry on the project. Thanks Akshay Gupta Manukau Institute of Technology

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apsolar
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Fred Bloggs

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Fred Bloggs

"Fred Bloggs" schrieb im Newsbeitrag news: snipped-for-privacy@nospam.com...

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Hello Fred,

this is great link about an oximeter and your other link regarding medical electronic is very interesting as well. Thanks!

I never thought that it could be so easy to make an oximeter, but how can such an oximter be calibrated?

Best regards, Helmut

Reply to
Helmut Sennewald

Hi Helmut et al,

...

as I saw Fig 5 I know that I don't want to waste my time with this chip. It is designed for some digital-... that can program some µ but not do any analog design. Do you imagine that you will be able to count valide values out of such lazy data? You may calculate the oxigen satuartion up to few ppm but the reality is what counts... I know about the difficulties to find LEDs with low enough tolerances in wavelength, stability, ...

That is a really great deal. A friend of mine did his PHD in this field guess what his most favourite problem was? The cheapest solution will be to compare the own device with a existing one. each on one finger. But guess, the lower the values the more difficult to reach this. I would do such a project only in close cooperation with a factory of professional pulsoxies. And even then, not as one of my first projects...

regards

Marte

Reply to
Marte Schwarz

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