The pulse sensor uses a piezo element pressed against a fingertip to detect changes in pressure resulting from blood ... Posted in Arduino Hacks Tagged arduino, biometrics, breath sensor, gsr, ...

The pulse sensor uses a piezo element pressed against a fingertip to detect changes in pressure resulting from blood ... Posted in Arduino Hacks Tagged arduino, biometrics, breath sensor, gsr, ...

Sensor for pulse rate and blood oxygen level Osram has packaged all the optoelectronics necessary for measuring pulse rate and blood oxygen level in a 7.2 x 2.5 x 0.9mm envelope: one photo-diode, ...