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Public Lab Research note

How can I measure the wavelength of a red LED?

by codificadesignstudio | May 07, 2020 23:32 07 May 23:32 | #23573 | #23573

Help me with this. How can I measure red LED wavelength?


We've had community members use the Lego Spectrometer (www.publiclab.org/lego) to measure LED spectra in the past. Here is an example of someone comparing different lightbulbs, including an LED bulb (https://publiclab.org/notes/dhaffnersr/09-06-2016/cfl-and-led-bulb-study-section-iii).

This question (https://publiclab.org/questions/baxamook/03-01-2018/can-i-use-the-lego-spectrometer-to-measure-enviromental-light-spectrum) has an answer from @cfastie that might be useful as well.

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