Various Smartphone Sensors and What Do They Do

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#ACCELEROMETER

Move it in any direction and data from this sensor will spike, but leave it still and it will go flat.Apps use this data to tell if a phone is in portrait or landscape orientation, if its screen is facing up- or downward.

 
#GYROSCOPE

The gyroscope is a sensor that can provide orientation information as well,  It is also used by Google’s Sky Map for telling what constellation you’re pointing a phone at.

 
#MAGNETOMETER

The magnetometer. Yup, it is able to detect magnetic fields. The magnetometer is one of the sensors that compass applications use to point at the planet’s north pole. Apps made to detect metal use this sensor as well.

 
#PROXIMITY

The proximity sensor, which is comprised of an infrared LED and an IR light detector. It is placed near the earpiece of a phone, and for a good reason – when you place the handset up to your ear, the sensor lets the system know that you’re most probably in a call and that the screen has to be turned off. The sensor works by shining a beam of invisible to humans infrared light which is reflected from a nearby object and picked up by the IR detector.

 
#AMBIENTLIGHTSENSOR

When ambient light is plentiful, the screen’s brightness is pumped up, and when it is dark, the display is dimmed down.n fact, the Adapt Display feature uses this data to fine tune image representation.

 
#BAROMETER

Is a sensor that can measure atmospheric pressure. Data measured by it is used to determine how high the device is above sea level, which in turn results in improved GPS accuracy.

 
#THERMOMETER

The mometer for measuring ambient temperaturethey’re used to monitor the temperature inside the device and its battery. If a component is detected to be overheating, the system shuts itself down to prevent damage.

 
#HUMIDITYSENSOR

Data provided by it was used in the S Health application to tell whether or not the user was in their “Comfort Zone” – one with optimal air temperature and humidity.

 
#PEDOMETER

It is a sensor used for counting the number of steps that the user has taken. Such data is usually obtained by the device’s Accelerometer.

 
#HEARTRATEMONITOR

It is made to measure one’s pulse, and it does that by detecting the minute pulsations of the blood vessels inside one’s finger.

 
#FINGERPRINT SENSOR

Fingerprint scanners are most often used as an extra layer of security – as a substitute for a lock screen password.

 
#DETEXTEDHARMFULEDITION

The Sharp Pantone 5. Released only in Japan, it features a dedicated button which launches an app used to measure the current radiation level in the area.

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