(The Gist of Science Reporter) Proximity Sensor  [MARCH-2018]

(The Gist of Science Reporter) Proximity Sensor


Proximity Sensor:

This is able to detect the nearby objects without any physical contact and is placed near the earpiece of the mobile. It consists of Infrared LED and IR light detector. The IR LED emits invisible light and when the light is reflected, the IR light detector detects the reflected light and the system will know that there is an object nearby.

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Courtesy: Science Reporter