RailPro > RailPro Specific Help & Discussion
Choosing LED's
William Brillinger:
Hi everyone,
I have a New DCC Ready Kato SD45 that I want to finish up and weather. I've installed an LM-3S into it using an 8 to 9 pin TCS wiring harness. The LM-3S is not driving the lights. The existing LED's do still work under DC.
I'm not sure why they don't work with the LM.
I figure I'm ready to pull the board from this unit and do a complete hard wire, and I thought I might try my first LED install, but I'm new at working with LED's. I've pretty much ignored lighting until now.
Kevin P indicates that he uses SMD LED's from Evans Design.
http://www.modeltrainsoftware.com/smd-chip-leds.html
My questions are:
Which voltage?
What resistors?
Any tips or suggestions?
nodcc4me:
Bill, before you do a hard wire, try reversing the 8-pin plug in the socket. I have had to do that to get the lights to work on more than one installation.
William Brillinger:
--- Quote from: nodcc4me on July 31, 2017, 08:00:37 PM ---Bill, before you do a hard wire, try reversing the 8-pin plug in the socket. I have had to do that to get the lights to work on more than one installation.
--- End quote ---
Well, that's embarrassing! Thanks Jacob that worked.
(and so much for using the tidy little 1" harness - the longer one is now required.)
I'm still interested in the answers to my questions about LED's though.
nodcc4me:
Don't be embarrassed. That tip is not written in any instructions that I've ever seen. You can be embarrassed for calling me Jacob though. ;D ;D
William Brillinger:
--- Quote from: nodcc4me on July 31, 2017, 08:50:17 PM ---Don't be embarrassed. That tip is not written in any instructions that I've ever seen. You can be embarrassed for calling me Jacob though. ;D ;D
--- End quote ---
Crap. I'm going to bed. Clearly I've been awake too long today. Sorry Al! :o
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