And it really doesn't matter which wire you attach the resistor to. However, for consistancy, I usually solder it to the blue (+) or common wire.
Tom
https://tstage9.wixsite.com/nyc-modeling
Time...It marches on...without ever turning around to see if anyone is even keeping in step.
The paper work with the decoder spells it out.
Rich
If you ever fall over in public, pick yourself up and say “sorry it’s been a while since I inhabited a body.” And just walk away.
Thanks,
Now I know why they will not light up.........and I do have a 1k ohm resistor for both the front and rear.
Dennis Blank Jr.
CEO,COO,CFO,CMO,Bossman,Slavedriver,Engineer,Trackforeman,Grunt. Birdsboro & Reading Railroad
Blue wire is positive. Be sure to use resistors with them.
Mark.
¡ uʍop ǝpısdn sı ǝɹnʇɐuƃıs ʎɯ 'dlǝɥ
Hi,
I recently installed a TSU-750 decoder.......and can not get the SMD LED`s to work.
Question is .......is the blue wire the postive + , or the negative - ?