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Hi All,
Since I am and train head I don't read .RCX (this topic might be well
exhausted)
I just read thru a third party book on the RCX and in one place he said the
timer granularity in 1/10 sec and in another it was 1/1000 sec.
My goal is to pulse LEGO train motors for better speed control and 1/10 sec is
inadequate are there any motor pulsing scenarios that have been worked out
with the RCX? I assume the drag and drop code won’t do this but can I get to
it via Visual Basic and the OCX?
SteveB
www.pnltc.org
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Message has 3 Replies:
 | | Re: RCX onboard timer and motor pulsing
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| (...) It is 1/10 of a second for the timers. However, in case you don't know. The RCX's Motor ports PULSE their signal. They always put out the same voltage. At level 8 it's 100% at level 4 it's an even on/off. I use it for my trains and it's great. (...) (25 years ago, 23-Dec-99, to lugnet.robotics.rcx, lugnet.trains)
| | | Re: RCX onboard timer and motor pulsing
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| (...) The timers run at 1/10 sec, but granularity for "waiting" a task is 1/100 sec. The PWM used for motor output has granularity of 1/1000 sec. Dave Baum p.s. I hope it wasn't my book that stated 1/10 and 1/1000 - if so could you e-mail me the (...) (25 years ago, 23-Dec-99, to lugnet.robotics.rcx, lugnet.trains)
| | | Re: RCX onboard timer and motor pulsing
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| (...) I was just experimenting with this a few days ago. An RCX using PWM does a far better job of driving the LEGO train motors than the simple variable voltage from the LEGO train control. You can make a train creep around just above stall speed (...) (25 years ago, 6-Jan-00, to lugnet.robotics.rcx, lugnet.trains)
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