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I have controlled LEGO trains via the RCX many times. The question is how to
control the speed of the train under a finer ganularity then just the native
power levels.
snip ...this comment has promise! Can you vary the width of the pulse?
<The good news is that the RCX outputs are pulse-width modulated.>
SteveB
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Message has 1 Reply:
 | | Re: RCX motor pulsing
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| (...) Yes. When you set the power for an output port actually you select the duty cycle of a square wave. The granularity depends on firwmare. With standard firmware you can select between 7 power levels; legOS has 255 levels. bye Bernardo New (...) (23 years ago, 22-May-01, to lugnet.trains, lugnet.robotics)
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