Which we continue regularly will know that several companies with Samsung as headlining decided the year past insert a sensor dedicated to the measurement of heart rate on their mobiles.

As it has been presenting new models are capable of measuring the level of stress and even the level of oxygen in the blood with remarkable accuracy, but was really necessary to introduce an element of hardware that you use once when you release the mobile and just being forgotten?

And most importantly, are needed to make a product, of itself expensive, including extras to a task that already could be done in Android 5 years ago and is still failing to make?

Android “home” heart rate meter

Surely more than one recalls that by 2009-2010, at the time of the first Android (HTC Magic) pre-existing applications that allowed measure our heart rate with great precision using the flash and camera terminal.

This is, in fact, the principle used by Samsung to your meter, which uses a red LED and a small camera both calibrated for this task.

We have wanted to return to such applications and test them in various smartphones and have done Huawei Mate 7, Qi Energy Sistem Pro and a Vodafone Smart 4G. In fact we have tested two applications Runtastic Heart Rate and Instant Heart Rate but with just search in Google Play, you will find a large handful with the same functionality.

As you can see in the video, we have compared him to a S5 Galaxy meter and the results speak for themselves. Here is where one arises, was really necessary, Samsung?

Measuring principle of pulse light

As shown in the final part of the video this type of pulse measurement is possible thanks to the circulation of the blood in our finger point of return and return on the same.

If we illuminate the finger veins, nor the bone; are not distinguished No, they are not x-ray, it is a flash light either an LED light. However it gets an image with a color wading in which a pulsed variation is detected.

By measuring the number of variations at a certain time, It allows us to extrapolate keystrokes per minute we have at that time and is the beginning of both the system combo flash and camera as the system of Samsung, which makes use of hardware dedicated to it.

Samsung and its integrated solution, are nonsense?

Here we want to do an exercise of reflection that would like to participaseis a next generation 2014-2015, Galaxy smartphone owners in order to integrate this heart rate sensor. Have you used it? With what frequency of use? It’s probably one of many features that it falls on deaf ears after the first few days.

The reason for this is simple, a profile of use of this functionality is a sporty person who wants to go out to run, riding bike, etc, and maintain a correct working level, but what happens? This solutions there is much more comodads, as bands in the chest and watches dedicated to this.

Samsung system is slightly faster

Who will pick up the phone, unlock it, open S-Health and put the finger in the rear to launch the measurement of pulse while exercising?

For sporadic use, see what keystrokes are at rest or simply measure our level of recovery Yes can be used and not all are sticks for Samsung. The truth is that, being sincere, their system to the is fixed, to always have the same light, same distance to sensor and a sensor dedicated to the measurement can be calibrated and therefore takes less than these systems we have seen in the video from MedicineLearners.com to give us the measurement.

Now we’d like to know your opinion, do you use this sensor of the Galaxy? See you sense that if you can make that task as we have shown in the video?

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