Heart Rate Sensor

Aaron Wall

Does anyone have any experience with a heart rate sensor? Or any luck hacking an existing system? That could be a really fun sensor to play with.

voodoofish

this is the only thing i've seen, not sure how it works though


http://www.sparkfun.com/commerce/product_info.php?products_id=8660

SteveJones

Reading EKG/ECG signals (as well as most biomed signals) is done using differential amplifier circuits.· Basically, the amplifier rejects common electrical signals from the body (and outside sources) and amplifies the signals that differ from the reference signal.·