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Quote: "I use white LED's that I purchase from Jameco Electronics for around $2.95 each. " <br /> <br />Do they ship them free? I couldn't find a shipping charge quote on their site but have found that on lots of mail order stuff the shipping + parts is more than the parts locally. And if it don't work you then pay shipping back too. <br /> <br />As for DCC only needing a 1K resistor, I disagree. My DCC shows AC voltage at the light terminal which frys LEDs. And as to using 2- 1K resistors and a diode on DC, my results showed lots of dimming at low speeds and burnouts at over 16V.
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