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/diy/ - Do It Yourself

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>> No.2542513 [View]
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2542513

>>2542374
>>2542505
Here, this actually works with the free blue lights from HF.

I think the only real concern is that you may need a resistor if the lights end up a lot brighter off the 5V USB than the 3x AAAs, the electronics guys would know better.

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