"Auto-Illumination"

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March 21, 2010, 12:27:47 AM

linear1 forums | LED discussion | LED questions and discussion | Topic: "Auto-Illumination"

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Topic: "Auto-Illumination" (Read 2201 times)

justDIY

Microcontroller Madman
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UFOric

"Auto-Illumination"

« on: October 11, 2005, 10:20:46 PM »

check it out ... this LED is faintly glowing, without any power or ground connections

Was it some how energized by the high-power flash on my camera?

I just noticed the same thing, with piranha style leds, on an array I built:


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Rob

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The constant-current gardener

Re: "Auto-Illumination"

« Reply #1 on: October 11, 2005, 11:05:03 PM »

It's possible.

LEDs are also photovoltaic cells (just not real good ones). Shine a light on them and you can measure a potential--in this case you flashed it with a very bright light, it seems plausible to me.