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Signals and LED's
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This month's SCALERails, the NMRA Bulletin, has a great article on making working signals. They use IHC target faces, but you could make your own. The LEDs have a + and - lead, so you have to observe polarity, the cathode or - side of the LED has a colored spot or the lead has a wide spot. Be careful not to let bare wires touch your brass signals and cause a short. Also, in the article they have a neat way of mounting the signal using an IC socket and connector.
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