NEWBIE - how do I know which resitor for a LED? - General Electronics - Arduino Forum
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How to Calculate the Value of Resistor for LEDs Circuits?
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Basics: Picking Resistors for LEDs | Evil Mad Scientist Laboratories
Basics: Picking Resistors for LEDs | Evil Mad Scientist Laboratories
How to select Resistor Value for LED with simple calculation|5v,12v,220v, Glow LED|Electronics pro| - YouTube
Which Resistor Should I Use with my LED? – Kitronik Ltd
