 | | Re: 8475 -- motors and steering Oh My
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(...) It doesn't matter. DMM's are not good at measuring pulsed signals. (unless you have one of the more expensive true-RMS meters which can calculate the average of a non-sinusoidal waveform. You really need an oscilloscope for this. (...) It will (...) (22 years ago, 30-Dec-02, to lugnet.org.ca.rtltoronto)
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| | Things I should never do....
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Even though I was warned by Calum..... Even though all the stuff I have ever read in my electronics magazines says don't bother.... Even against that little voice in my head that said DON'T....... I thought I'd try to repair that monitor flicker. So (...) (22 years ago, 30-Dec-02, to lugnet.org.ca.rtltoronto)
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| | Re: 8475 -- motors and steering Oh My
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(...) cool. Thanks Trevyn. now if only I had an O-scope and knew what Th, T1, and Tt meant?? ;) Chris (22 years ago, 29-Dec-02, to lugnet.org.ca.rtltoronto)
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| | Re: 8475 until a little while ago was seemed to be lacking.....
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(...) someone (calum) should call Swiss Chalet and ask if they have been inundated with calls asking about "when those lego guys meet?" Chris (22 years ago, 29-Dec-02, to lugnet.org.ca.rtltoronto)
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| | Re: 8475 -- motors and steering Oh My
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It is indeed PWM. I got out my oscilliscope and checked it, and here are the results I got: At setting 1 (closest to off): Th: 1ms Tl: 2ms Tt: 3ms 9Vpp At setting 2: Th: 2ms Tl: 1ms Tt: 3ms 9Vpp And at full on, it's just 9v DC. (...) (22 years ago, 29-Dec-02, to lugnet.org.ca.rtltoronto)
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| | Re: 8475 until a little while ago was seemed to be lacking.....
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"Chris Magno" <cmagno@rogers.com> wrote in message news:3E0F1D89.A7DF72...ers.com... (...) I'm sure Swiss Chalet would love it if we started driving R/C cars all over the floor. :) Iain (22 years ago, 29-Dec-02, to lugnet.org.ca.rtltoronto)
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| | Re: 8475 until a little while ago was seemed to be lacking.....
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(...) ya, that's what I thought you meant. Sure, remind me and I'll bring the cool bits. I have no intention of building the model. but I will bring the transmitter and receiver and other special bits. -- Chris (22 years ago, 29-Dec-02, to lugnet.org.ca.rtltoronto)
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| | Re: 8475 until a little while ago was seemed to be lacking.....
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 From: "Chris Magno snip Subject: Re: Fw: 8475 seemed to be lacking..... snip (...) You know. Like when someone get a new cell phone, laptop, or other toy, everyone checks it out. In this case, you could (...) (22 years ago, 28-Dec-02, to lugnet.org.ca.rtltoronto)
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| | Canada, a great place to live (was 8475 -- a good buy)
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(...) 10 hour drive just too much.... You could always come live in Canada. Swear an oath to the Queen, and never worry about medical insurance again. Plus Lego is Cheaper here. rtlToronto, doing our little part to reverse the "brain drain" (URL) (22 years ago, 28-Dec-02, to lugnet.org.ca.rtltoronto)
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| | Re: 8475 -- a good buy
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(...) IF you get stuck in a corner, then your opponent comes up behind ya and WACKS ya. -- Chris (22 years ago, 28-Dec-02, to lugnet.org.ca.rtltoronto)
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| | 8475 -- motors and steering Oh My
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(...) Yes I was testing on an unloaded 9V geared motor. Thats how my RPM-o-Meter works best. (...) I just re-did this test and you are correct. when you load a geared motor (i put a 40t gear on the motor and put friction on the teeth) then you can (...) (22 years ago, 28-Dec-02, to lugnet.org.ca.rtltoronto)
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| | Re: 8475 -- a good buy
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(...) Am not!! (...) Were you using a geared 9v motor non loaded? If so, then it's not surprising that you noticed no difference. Try it with a load. I tried it with a weight at the end of an arm, and at one point on the controller it just buzzed, (...) (22 years ago, 28-Dec-02, to lugnet.org.ca.rtltoronto)
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| | Re: 8475 -- a good buy
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(...) When you get stuck in the corner, sheesh. Calum (22 years ago, 28-Dec-02, to lugnet.org.ca.rtltoronto)
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| | Re: 8475 -- a good buy
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(...) hmm. I'll have to think about this, but I'll bet, with a little work and a couple polarity switches, you could make an AB skid steer. I think it would take some fancy wiring (like the 18v thing) and some precice gearing, but think about this: (...) (22 years ago, 28-Dec-02, to lugnet.org.ca.rtltoronto)
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| | Re: 8475 -- a good buy
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(...) As soon as i read this I had to try it.... I'm so excited... (sec.) . .. .... ..... ........ Your wrong. :( I added a motor, clicked it into my RPM-o-Meter and just nudged the stick a tinsy-tiny little bit.... NOTHING! then I smooched it just (...) (22 years ago, 28-Dec-02, to lugnet.org.ca.rtltoronto)
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| | Re: 8475 -- a good buy
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(...) I agree. (...) Why didnt _I_ think of that... (...) Except that the one for the drive wheels is also proportional - ie, if you push the stick in the controller a little bit, they go slow, and you you push it a lot, they go fast. I think there (...) (22 years ago, 28-Dec-02, to lugnet.org.ca.rtltoronto)
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| | Re: 8475 -- a good buy
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(...) There's a problem though. The mappings are weird. The second regular 9V out is mapped to the bottom controller paddles IIRC. The first regular out is mapped to the... RH top stick? And the steering output is LH top stick? That's doesn't really (...) (22 years ago, 28-Dec-02, to lugnet.org.ca.rtltoronto)
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| | Re: 8475 -- a good buy
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(...) Dave, I've just messed around with the motors.... they have 2 out's one spins at 1200 RPM and the other 1700. when I added my famous worm to 24 and added it to my "kick your butt" king of the hill r13 game... I was saddened. these motors seem (...) (22 years ago, 28-Dec-02, to lugnet.org.ca.rtltoronto)
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| | Re: 8475 -- a good buy
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In lugnet.org.ca.rtltoronto, Chris Magno writes: <snip> (...) Its a very fun set, and it gets better when you throw the RC and motors 'n stuff into the supercar! :) Dave K (22 years ago, 28-Dec-02, to lugnet.org.ca.rtltoronto)
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| | 8475 -- a good buy
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I've just started to play with this set. WOW!! despite my earlier post about the B I G box but lots of empty space i like this set..... for the parts. WOW. Lego has come VERY VERY close to my "dream" of a RC lego "system" when I first saw the very (...) (22 years ago, 28-Dec-02, to lugnet.org.ca.rtltoronto)
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