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sensor to detect pulse rate

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pranali pandit

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can anybody suggest me an infrared sensor to detect pulse rate ...or will i have to make it using an infrared led n IR photodiode but i tried doin it nd it is not getting appropriately detected...so wat do i do now
 

pranali pandit said:
can anybody suggest me an infrared sensor to detect pulse rate ...or will i have to make it using an infrared led n IR photodiode but i tried doin it nd it is not getting appropriately detected...so wat do i do now
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I supose pulse rate of heart from finger ?


See this nice project about that :

Heart rate measurement from fingertip :Embedded Lab

You must use highbright diode!!! And opticaly isolate from each others RX from TX.

HeartRateMeasurementBoard2-550x412.jpgHeartRateMeasurementBoard3-550x398.jpgSensorSystem.jpg
 
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Hello!

I have used a TCRT1000 recently (available at Digikey) and it works quite well.
so wat do i do now
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Have a coffee break?

Dora.
 

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