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Need help for a heartbeat detector!
Hey bird... Did ya build the exact same circuit???- Fate
- Post #29
- Forum: General Electronics Discussion
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Need help for a heartbeat detector!
Hey Guru... Didn't quite get your point abt the output not going to zero... ??? BTW could u explain the PIC part of the circuit.. I'm totally new to the subject...- Fate
- Post #20
- Forum: General Electronics Discussion
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Need help for a heartbeat detector!
Hey Bird... Check out the data sheets for LM 358... Btw can't I like use two 741's instead? The specs are pretty much the same... LM358.pdf- Fate
- Post #18
- Forum: General Electronics Discussion
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Need help for a heartbeat detector!
Hey Trigger... The optical technique presented here exploits the fact that tiny subcutaneous blood vessels (capillaries) in any patch of skin (fingertip, ear lobe, etc.) furnished with a good blood supply, alternately expand and contract in time with the heartbeat. An ordinary infrared...- Fate
- Post #17
- Forum: General Electronics Discussion
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Need help for a heartbeat detector!
Are you working on the same thing? DesignGuide.zip- Fate
- Post #10
- Forum: General Electronics Discussion
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Need help for a heartbeat detector!
:-[Hmmm... Now I want to amplify it (a lot)... feed the output to a comparator and then to a mono to get like proper pulses and then count them (per min)... Any more suggestions... ???- Fate
- Post #6
- Forum: General Electronics Discussion
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Need help for a heartbeat detector!
Hey... Thanx for the help but I already got my hands on that one... :P But I've to work without microcontrollers and Pic... :-\ Don't know...- Fate
- Post #4
- Forum: General Electronics Discussion
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Need help for a heartbeat detector!
Hey... I'm working on a heartbeat detector & monitor (using photodiode & detector not microcontroller) for my mini project and need help in designin it... Any kind of help will be greatly appreciated... Thanx- Fate
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- Replies: 32
- Forum: General Electronics Discussion