 | | Re: R2D2 (DDK) with RCX : 2nd Look
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Hi Everybody, The R2D2 beta2 version is online, with : - two touch sensors - one light sensor in its turning head Please forget the last URL, go directly to : (URL) : (URL) a nice day/night, - Christophe - (26 years ago, 23-Dec-99, to lugnet.robotics.rcx, lugnet.robotics)
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| | 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 (...) (26 years ago, 23-Dec-99, to lugnet.robotics.rcx, lugnet.trains)
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| | Mindstorms spirit.ocx programming = RCX ASM coding?
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I haven't looked at programming the RCX with Visual Basic or other MS Win languages via the spirit.ocx control, but someone (sorry -- I'm terrible with remembering names!) at the NELUG meeting asked me why people seem to like NQC when they could be (...) (26 years ago, 23-Dec-99, to lugnet.robotics, lugnet.robotics.rcx, lugnet.loc.us.ma.bos)
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| | 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. (...) (26 years ago, 23-Dec-99, to lugnet.robotics.rcx, lugnet.trains)
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| | RCX onboard timer and motor pulsing
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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 (...) (26 years ago, 23-Dec-99, to lugnet.robotics.rcx, lugnet.trains)
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| | R2D2 (DDK) with RCX : First Look
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Hi all, I'm glad to introduce you a first draft/beta R2D2/DDK with an RCX done tonight. You can have a look at (URL) Quite Perfect (NQP :-), but I think it can be a good way to do something nice for all of us, and get it as an idea start something (...) (26 years ago, 23-Dec-99, to lugnet.robotics.rcx)
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| | LegoSub using a Mars Robotic Extension : Is it a Joke ?
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Hello, Just saw today, please check : (URL) seems they've created a real submarine robot including the camera from the Exploration Mars set ! As I know, this set (Mars) isn't available... Christophe (26 years ago, 22-Dec-99, to lugnet.robotics.rcx)
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| | Re: A Motor as a Sensor? An idea
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Carsten Müller <spirou@jumper.org> wrote in message news:3860FCDF.80682D...per.org... (...) Yes. This idea has come up many times. Try searching lugnet.robotics for generator or similar words. RCX Sensors and Input = (URL) G. (26 years ago, 22-Dec-99, to lugnet.robotics.rcx)
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| | A Motor as a Sensor? An idea
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Hi, yesterday i played around with the View Button and with different Sensors. And than I pluged a Motor (in this case a generator) to the Sensor input. If the motor was not turned, the Sensor Reading was '4'. If turned (forward) the reading (...) (26 years ago, 22-Dec-99, to lugnet.robotics.rcx)
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| | Re: Tasks in RCX
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(...) <chuckle> 10 seems like a small number (yes its limited by the firmware) until you try to use them all. In my experience only email and webserver type applications kick off more than 4 or 5 threads at once. DLC (26 years ago, 21-Dec-99, to lugnet.robotics, lugnet.robotics.rcx)
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| | Tasks in RCX
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Hi, I read somewhere that the RCX is limited to only 10 concurrent tasks. Is this limitation in the firmware? If so, can I use a replacement firmware like legOS to overcome this. I basically want to have an unlimited number of tasks so that I can (...) (26 years ago, 21-Dec-99, to lugnet.robotics, lugnet.robotics.rcx)
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| | Re: Powering trains w/ RCX
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(...) Well I can't say I have the RCX plugged in when I'm running a vehicle, I *ALWAYS* have it plugged in when it's not in use. I've actually only had to replace the batteries in it once in the past year. Removing the jack was a mistake, IMO... As (...) (26 years ago, 21-Dec-99, to lugnet.robotics.rcx)
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| | Re: Powering trains w/ RCX
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I was talking more in a sense of replacement/repair of damaged units. I would not be surprised if the retail price of each starts to change with shifts in demand. And due to the "apparently common" replacement of the brick with AC, that would have (...) (26 years ago, 21-Dec-99, to lugnet.trains, lugnet.robotics.rcx)
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| | Re: Powering trains w/ RCX
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Yes RIS 1.5 costs $20 MORE than RIS1.0. It's a good thing I bought 9 RIS 1.0 and the 1.5 upgrade ;-) (...) -- | Tom Stangl, Technical Support Netscape Communications Corp | Please do not associate my personal views with my employer (26 years ago, 21-Dec-99, to lugnet.trains, lugnet.robotics.rcx)
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| | Re: Powering trains w/ RCX
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Even if it was $0.20 by the time it is productized it is maybe $1.00. Multiply this by the quantity sold and you just save ~$500,000 (whatever the quantity is). When designing computer mother boards there will be large debates over $0.05 BOM (bill (...) (26 years ago, 21-Dec-99, to lugnet.trains, lugnet.robotics.rcx)
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| | Re: Powering trains w/ RCX
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(...) savings (...) Well, lets think, a rectification bridge, a voltage regulator, and an external power connector. In 'trade' quantities, you are talking well under 50 cents (probably more like 20 cents). If Lego are paying much more than this for (...) (26 years ago, 21-Dec-99, to lugnet.trains, lugnet.robotics.rcx)
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| | Re: Powering trains w/ RCX
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If there is a "cost" issue between the 1.0 and 1.5, Has anyone seen the savings passed on to the buyers? Probably too mutch to ask.... ;-) -Rich (...) (26 years ago, 21-Dec-99, to lugnet.trains, lugnet.robotics.rcx)
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| | Re: Powering trains w/ RCX
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(...) Despite the fact that a lot of people here use wall power, I think that CA is probably right in that the vast majority of mindstorms robots are vehicles. Ah well. Something for "Dear Lego".... (26 years ago, 21-Dec-99, to lugnet.trains, lugnet.robotics.rcx)
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| | Re: Powering trains w/ RCX
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Uhhhh, gee, I just used some extra-long wires I got from Dacta to extend the console over to next to the couch, and plugged it in there ;-) But yeah, I want to get a couple of IR remotes too, for when I take an 8448 to work, and for my future train (...) (26 years ago, 21-Dec-99, to lugnet.trains, lugnet.robotics.rcx)
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| | Re: Powering trains w/ RCX
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Steven and Rogers just make sure that when you use the jack on the RCX use an adapter that LEGO makes like the one that comes with the train controller. This one is also designed for the RCX. A while back this information was posted on lugnet. Do a (...) (26 years ago, 21-Dec-99, to lugnet.trains, lugnet.robotics.rcx)
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