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October 3, 2012
about 2 years ago
this may be just what i have been looking for, but i thought i had better ask before i buy.
I am trying to monitor the intensity of the light emitted by an LED. as the input voltage drops, so does the intensity of my LED output, and I want to quantify this. and for different color LED’s.
I have tried some lux meter apps using my tablet, and they seem to work ok for white light, but if i try to measure a very bright green LED, they don’t seem to see them (or at a very much lower response). The LED can be so bright I can’t look at it, yet these lux meters won’t really see the green light.
I have constructed a black chamber with the source LED at one end and the lux meter at the other.
My question : will this Luminosity Sensor work with various segments of the spectrum ?
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