TeleHealth Module: Difference between revisions

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#REDIRECT [[TeleHealth_Hardware]]
==The 25 dollar BioSign/TeleHealth==
* Plugs into left USB, LineIn, LineOut
* USB for power
** USB ADC?
*** http://www.atmel.com/dyn/resources/prod_documents/doc3302.pdf
*** http://www.atmel.com/dyn/resources/prod_documents/6120s.pdf
* Manual-Switched input selector
* Comprised of
** [[Pulse Oximeter]]
*** IR LED
*** Red LED
*** Photodiode
*** Op-Amp Chain
**** Outputs into line-in
** [[Stethoscope]]
*** Audio pickup(mic)
*** Audio amplifier
**** Outputs into line-in
**[[Blood Pressure Cuff]]
*** Electroconstrictive polymer
*** Audio pickup(mic)
*** Audio amplifier
**** Outputs into line-in
** [[Electrocardiogram]]
*** Analog Filters
*** Op-Amp Chain
**** Outputs into line-in

==How To Do It==
* reuse Op-Amp Chains
** LM324
* reuse Audio Amp circuits
** Patch into existing audio I/O channels?
==Resources==
* http://www.olpcnews.com/use_cases/community/medical_application_community.html
* http://www.avrfreaks.net/
* http://www.national.com/mpf/LM/LM324.html

Latest revision as of 00:27, 21 January 2008