A LED light sensor is a light-emitting diode used as a photodiode. The properties of light emitting diodes (LEDs) can be exploited to render them useful for light detection as well as emission. This capability has been demonstrated and used in a variety of applications including ambient light detection and bidirectional communications.[1][2] This implementation of LEDs is important because functionality can be added to designs with only minor modifications, usually at little or no cost
A LED light sensor is a light-emitting diode used as a photodiode. The properties of light emitting diodes (LEDs) can be exploited to render them useful for light detection as well as emission. This capability has been demonstrated and used in a variety of applications including ambient light detection and bidirectional communications.[1][2] This implementation of LEDs is important because functionality can be added to designs with only minor modifications, usually at little or no cost
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