Light sensors employing LEDs are devices engineered to perceive light and transmute it into an electrical signal. They boast a multitude of applications encompassing lighting management, object identification, and gesture interpretation. These sensors usually operate by emitting light and subsequently gauging its reflection.
Diverse variants of LED light sensors are available, including phototransistors, photodiodes, and photoresistors. Phototransistors typically serve in situations necessitating robust light detection, particularly in high-power scenarios. In contrast, photodiodes find their niche in low-power applications, such as their utilization within opto-isolators.
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