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Pulse oximetry--- Help

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kodi.sudar

kodi.sudar

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Hi guys can you people help me to do the pulse oximetry project using 8051 micro controller.

thanks in advance
 

You have to add an ADC (please use the higher resolution ADC), photo transistor, two light source, red and infra red. Read the each beam strength, digitize it and compare to have ratio. But don't forget to use good performance analog circuit (pre-amp, differential amplifier) and add good band pass filter, the noise signal and interference from moving finger cannot give accurate SPO2 value.
 
Arch Zone said:
You have to add an ADC (please use the higher resolution ADC), photo transistor, two light source, red and infra red. Read the each beam strength, digitize it and compare to have ratio. But don't forget to use good performance analog circuit (pre-amp, differential amplifier) and add good band pass filter, the noise signal and interference from moving finger cannot give accurate SPO2 value.
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Thank you dude :).. any proper circuit for that project
 


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