Subject:
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Need Electrical Help
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Newsgroups:
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lugnet.trains
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Date:
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Thu, 16 Aug 2007 20:13:55 GMT
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Viewed:
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6248 times
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I am trying to setup some LED lights to run from the 9v track or a 9v battery
pack for some train signals. I have 1.5v lights and the track is 9v (obviously)
how can I step down the voltage. Any help would be great.
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Message has 2 Replies:
 | | Re: Need Electrical Help
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| (...) Ideally, we'd need to know the current for the light you want to run. Even then,I can't remember the exact formula, but this page should help: (URL) :) (17 years ago, 16-Aug-07, to lugnet.trains)
| | | Re: Need Electrical Help
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| "L. Andrew Reynolds" <andrew_reynolds@uhc.com> wrote in message news:JMvuv7.AF2@lugnet.com... (...) Typically, most LEDs have a mA rating of around 20mA. Let's assume this is the case for yours as well. I have seen some 1.5v LEDs so I 'm taking (...) (17 years ago, 17-Aug-07, to lugnet.trains)
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