I'm interested in e-health sensors. Primary, I want to measure the patient's pulse and send data for processing. Ideally it would be a wearable wristband. The raspberry Pi and pulse sensor is a good solution, but it is still too much discomfort. Do you know about some open "smaller" technology? (this kind would be ideal: angel sensor.com)
what about samsung galaxy gear? http://www.samsung.com/uk/consumer/mobile-devices/wearables/
We are getting one for our work in epilepsy.
We did build our own using Arduino for cigarette smoking tracking , but due to the DIY nature, it is not very comfortable to wear! I would definitely recommend giving galaxy gear a go!
May be try to look into studies on Fiber Bragg grating pulse recorder (FBGPR). These can be used to to make wrist watch like divices. Data can be transmitted
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