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LED as light detector

2014-12-10 10:25  
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inside the ledDid you know that the LED can be used as a light detector?
In fact green LEDs are the best for this, but all LEDs will detect light and produce a voltage equal to the characteristic voltage-drop. The current they produce is very small, only the super and high bright one can produce a higher output due to the fact that their crystal is more efficient at converting light into electricity.


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