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Author Topic: Resistor for 0402 LED  (Read 2241 times)

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peteski

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Re: Resistor for 0402 LED
« Reply #15 on: August 08, 2019, 07:03:03 PM »
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Quote from: RBrodzinsky on August 08, 2019, 06:40:54 PM
The blue wire from a decoder is + and the white is -. Reverse your wires

Exactly. Blue lead is positive and I assume red LED lead is positive too.  DCC decoders utilize common positive (not common ground) for their function circuits.
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