As you know there are special diodes,including many kinds such as ones that are designed to measure light intensity .But I was wondering, if any diode is suitable here? In this post I will share results of those experiments.Wikipedia describes it best.,“A photodiode is a PN junction or PIN structure. When a photon of sufficient energy strikes the diode, it excites an electron, thereby creating a free electron (and a positively charged electron hole). This mechanism is also known as the photoelectric effect. [...] Since transistors and ICs are made of semiconductors, and contain P-N junctions, almost every active component is potentially a photodiode.”
So diode used as a photo-element.
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