4 ms·

Is this genuine?! I wouldn't have thought that the sensor in the camera would be sensitive enough to pick up minute changes like that, unless some kind of milit

by revjx 16y ago

Is this genuine?! I wouldn't have thought that the sensor in the camera would be sensitive enough to pick up minute changes like that, unless some kind of military-grade light was shining through your finger.

Kafka 16y ago
Me and a coworker tried it and also measured our heart rates by hand. It seems to be pretty accurate. I have a HTC Desire and he has a Hero.
gmac 16y ago
military-grade light Hmm... I'd like to see this tested with consumer- and enterprise-grade light too. ;)