May 25, 2014
The Instant Heart Rate application available for iOS and Android, will use your cell phone’s camera together with the LED flash to calculate your heart rate in less than 15 seconds. Just open the app and the camera will automatically turn on together with the LED flash. You just have to put your index finger on the camera lens, making sure that the illumination of the LED flash reaches your finger, and so the app can calculate your heart rate. via Calculate your heart rate with Instant Heart Rate – Wayerless.
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