Ed L. writes: Re: Soundtrax Decoders
> Is there a "standard" for headlights? IE led XXX with resister YYY? > Ken Zieska Ken....Click here for an easy way to figure things: http://www.allpointsnorthmrrc.org/files/tech/LEDohmsCalc.htm Cheers....Ed Loizeaux www.sscale.org Ed and Ken, Here’s another good site for calculating LED resistors for series and parallel circuits. http://www.hebeiltd.com.cn/?p=zz.led.resistor.calculator One of the issues Ed failed to mention is that you cannot economically purchase resistors for just any calculated value. Usually rounding up (or down) to the next common available resistor value is necessary. So, sometimes the precision value is not available, but it will be a safe, functional value. Go to your nearest Radio Shack and look at there stock and you will see what I mean. Gary Chudzinski
