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Force Aware
Choosing a single resistor for two LEDs in parallel is generally not wrong.
However, this way you are doubling the current passing through this resistor you respect a single LED and will need double the wattage, and you did your math correctly.
The problem with this solution is that internal space is a main concern when building sabers and a 4W (or more likely a 5W) resistor is definitely huge.
I normally prefer to use a pair of 2W resistors (one for each LED) since they are smaller than the 5W and even using two of them you save space inside the hilt.
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Ok this is what I needed to know, you guys are great thank you (:
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