TeleHealth Module: Difference between revisions
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* Plugs into left USB, LineIn, LineOut |
* Plugs into left USB, LineIn, LineOut |
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* USB for power |
* USB for power |
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** USB ADC? |
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*** http://www.atmel.com/dyn/resources/prod_documents/doc3302.pdf |
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* Manual-Switched input selector |
* Manual-Switched input selector |
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* Comprised of |
* Comprised of |
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==How To Do It== |
==How To Do It== |
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* reuse Op-Amp Chains |
* reuse Op-Amp Chains |
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** LM324 |
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* reuse Audio Amp circuits |
* reuse Audio Amp circuits |
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** Patch into existing audio I/O channels? |
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==Resources== |
==Resources== |
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* http://www.olpcnews.com/use_cases/community/medical_application_community.html |
* 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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Revision as of 15:58, 20 September 2007
The 25 dollar BioSign/TeleHealth
- Plugs into left USB, LineIn, LineOut
- USB for power
- 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
- Pulse Oximeter
How To Do It
- reuse Op-Amp Chains
- LM324
- reuse Audio Amp circuits
- Patch into existing audio I/O channels?