ir based heart beat sensor - Rickey's World of Microcontrollers & Microprocessors

Forum -> Project Help

Information on heartbeat sensor:
http://www.8051projects.net/forum-t5948.html#post_6461

Working description:
http://www.8051projects.net/forum-t5948.html#post_6535

Now for VB stuff... once you count number of pulses you can send them to PC via serial port and they can be updated in VB software.... Read Compelte post

Other Tags: heart beat sensor IR based heart beat sensor heartbeat sensor using infrared LED

Posted by ajay_bhargav on Tue May 20 2008, 11:32 am

Forum -> General help Guidance and Discussion

Heart beat is sensed by using a high intensity type LED and LDR. The finger is placed between the LED and LDR. As Sensor a photo diode or a photo transistor can be used. The skin may be illuminated with visible (red) using transmitted or reflected light for detection. The very small changes in reflectivity or in transmittance caused by the varying blood content of human tissue are almost invisible... Read Compelte post

Other Tags: working heartbeat sensor IR based heart beat sensor heartbeat sensor using infrared LED

Posted by abbas1707 on Wed Mar 05 2008, 02:49 am

Forum -> General help Guidance and Discussion

... Read Compelte post

Other Tags: heart beat sensor IR based heart beat sensor heartbeat sensor using infrared LED

Posted by Ûž TPS Ûž on Tue Mar 04 2008, 01:15 am

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