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In lugnet.robotics, Brian Pilati wrote:
> To all,
>
> I would like to find a way (simple way that is) to power our LTC 9v trains using
> both the standard LEGO 9v train modulator and the NXT.
>
> We have attempted the following:
> 1- Power the train simply using the NXT and the converter cables. Too much
> battery drain during the show.
> 2- Isolate a section of track via a switch and power the train via a converter
> cable only when the train is on the isolated section. This has probably been
> the best approach.
> 3- Attached a servo motor to the 9v modulator and then programmed rotations from
> the NXT to the servo motor to determine speed. There was much difficulty
> attaching the servo to the modulator.
>
> Is there a better way?
>
> Thank you,
> --Brian ULUG/GBLTC
I'm not sure if there's a better way, and I haven't tried it with an NXT, but
I've had good luck with option 2 using an RCX. I isolated the track by putting
a bit of clear tape over the ends that connect to the other track sections.
-Elroy
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Message is in Reply To:
 | | Powering 9v Trains using the NXT
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| To all, I would like to find a way (simple way that is) to power our LTC 9v trains using both the standard LEGO 9v train modulator and the NXT. We have attempted the following: 1- Power the train simply using the NXT and the converter cables. Too (...) (19 years ago, 17-Oct-07, to lugnet.robotics, lugnet.org.us.ulug)
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