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Thank you very much for your help, I am also confused at how you can get a specific color nm out of an LED that has a varied range lets say of 465 to 475.... if the resistor is not specific, usually rounded to the next common size, and the LM317 say has a voltage output range of 1.2 to 37... I...
I have a project I have been researching for some time and need to finish asap, I have various LED 5mm bulbs I will attach to a perfboard, I need to keep a constant specific light wavelength so power level is important and need something in-between the power supply and the led to do this, I have...
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