Sunday, June 4, 2017

What are the smartphone sensors Explained in Sinhala



 

·  A fingerprint sensor can enable biometric verification for secure device and website authentication as well as mobile payment.



 1. Proximity Sensor

·  A proximity sensor detects when the the phone is held to the face to make or take a call, so the touch screen display can be disabled to avoid unintended input.


2. Light sensor

·  A light sensor detects data about lighting levels in the environment to adapt the display accordingly.


3. Barometer

 Higher-end phones have a built-in barometer 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
Samsung Galaxy Nexus were among the first Android devices to feature this sensor.



4. Magnetometer

·  A magnetometer detects the direction of magnetic north and, in conjunction with GPS, determines the user's location.



5.Hall Sensor:


Animated Hall effect




Discovery :It was discovered by Edwin Hall in 1879.


6.Accelerometers:

·  An accelerometer detects acceleration, tilt and vibration to determine movement and orientation.

 The accelerometer/gyroscope sensor inside the Samsung Galaxy S5, marked in blue


7.Gyroscope:

·  A gyroscope identifies up/down, left/right and rotation around three axes for more complex orientation details.



8.Thermometer:

Some folks might remember that the Samsung Galaxy S4 bragged with a thermometer for measuring ambient temperature.  temperature and humidity.

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