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Unread 18-02-2016, 15:43
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Re: How to wire a flashlight?

Also, you could use a resistor sized with 12 volts in mind and avoid the 7805. And like Mr. Forges says, control the 12V with a spike. Depending on how much the led draws, some teams have run them off a port of the pneumatics control module, though personally, I would prefer to use a spike.
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