TeleHealth Module: Difference between revisions
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#REDIRECT [[TeleHealth_Hardware]] |
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==The 25 dollar BioSign/TeleHealth== |
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* Plugs into left USB, LineIn, LineOut |
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* USB for power |
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** USB ADC? |
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*** If so, AVR/Amtel is the way to go |
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*** http://www.atmel.com/dyn/resources/prod_documents/doc3302.pdf |
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*** http://www.atmel.com/dyn/resources/prod_documents/6120s.pdf |
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* Manual-Switched input selector |
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* Comprised of |
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** [[Pulse Oximeter]] |
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*** IR LED |
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*** Red LED |
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*** Photodiode |
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*** Op-Amp Chain |
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**** Outputs into line-in |
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** [[Stethoscope]] |
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*** Audio pickup(mic) |
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*** Audio amplifier |
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**** Outputs into line-in |
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**[[Blood Pressure Cuff]] |
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*** Electroconstrictive polymer |
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*** Audio pickup(mic) |
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*** Audio amplifier |
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**** Outputs into line-in |
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** [[Electrocardiogram]] |
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*** Analog Filters |
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*** Op-Amp Chain |
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**** Outputs into line-in |
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==How To Do It== |
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* reuse Op-Amp Chains |
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** LM324 |
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* reuse Audio Amp circuits |
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** Patch into existing audio I/O channels? |
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==Resources== |
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* http://www.olpcnews.com/use_cases/community/medical_application_community.html |
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* http://www.avrfreaks.net/ |
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* http://www.national.com/mpf/LM/LM324.html |
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Latest revision as of 00:27, 21 January 2008
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