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Title: BACHMANN E-Z DECODER P/N 44913
Post by: jwoj69 on May 17, 2007, 12:23:07 AM

WITHOUT PROGRAMING, WHAT LIGHTING IS IT SETUP FOR? LIGHT BULB OR DIODE?
IF DIODE, DO I HAVE TO USE RESISTOR?

Title: Re: BACHMANN E-Z DECODER P/N 44913
Post by: fieromike on May 17, 2007, 12:14:59 PM

Quote from: jwoj69 on May 17, 2007, 12:23:07 AM
WITHOUT PROGRAMING, WHAT LIGHTING IS IT SETUP FOR? LIGHT BULB OR DIODE?
IF DIODE, DO I HAVE TO USE RESISTOR?

Any led that you wire up to a decoder will require a resistor or you will see a one-time imitation of a flashbulb. There are a load of formulas(formulae?) out there to determine the proper value of the led, but I've found that ~750 ohm has done just fine for me.

Mike

Title: Re: BACHMANN E-Z DECODER P/N 44913
Post by: jwoj69 on May 17, 2007, 10:12:16 PM

THANK YOU VERY MUCH. I TRY THIS FORMULA WITH 100% SUCSESS Rate
To find the correct resistor subtract led working voltage from your source voltage then divide by .02 use a resistor equal to that amount or greater, do not use a smaller resistor. JACK

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Discussion Boards => N => Topic started by: jwoj69 on May 17, 2007, 12:23:07 AM