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4 votes

WHY does the LED turn on SLOWLY?

The LED doesn't light up slowly. LEDs are used for data transmission from a few MHz to tens of MHz so they do turn on and turn off quite fast - if you don' count for white LEDs. So in reality, a ...
Justme's user avatar
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8 votes

WHY does the LED turn on SLOWLY?

My first inclination is that the LED turned on part way through the camera's exposure time and that the "photon integral" (I've just made that up) is incomplete as a result. If you have a ...
Transistor's user avatar
  • 176k

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