November 6, 2010
about a year ago
Kamiquasi, thank you. That is what I wanted to know.
RobertC, the Cycling RGB LED has three different LEDs in one package. The different LEDs have different forward voltages, according to the datasheet. So which one do I use to calculate what resistor to attach to this LED, the lowest value?
newbie question: when calculating the current limiting resistor, what value do I use for the forward voltage? The red LED has Vf typical 2.0 and max 2.25, but the green and blue LED have Vf typical 3.5 and max 5.0.
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