 | | lego robot competition
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Hi LEGO robotics fans, I am organizing the “First Internet Robot Contest”, a robotics paper contest. Submit your bot in the “LEGO robot category” and win one of the following LEGO prizes: - three LEGO Droid Developer Kits - three LEGO Vision Comand (...) (25 years ago, 16-Oct-00, to lugnet.robotics)
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| | Re: Motion/Tilt Sensor from Analog Devices and the RCX
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Sorry for my ignorance, but doesnt the datasheets mention that it contains both analog and digital outputs and either may be used. Ram (...) (25 years ago, 16-Oct-00, to lugnet.robotics.rcx, lugnet.robotics)
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| | Re: Meaning of lettering on white gearwheel.
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"John Coppola" <lego-robotics@crynwr.com> wrote in message news:4.3.2.7.2.20001....net.au... (...) ft-lb as in length * force (torque or moment, not to be confused with momentum which is force*time or mass*velocity) not length/force. (...) This is (...) (25 years ago, 16-Oct-00, to lugnet.robotics)
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| | Re: Scout SDK
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Hi Mauro The link is (URL) take a look at (URL) just search hte newsgroup for vll. There's a lot of stuff out there... :o) <>s Ricardo ----- Original Message ----- From: "Mauro Vianna" <mauro_vianna@hotmail.com> To: <lego-robotics@crynwr.com> Sent: (...) (25 years ago, 16-Oct-00, to lugnet.robotics)
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| | Re: Pneumatic actuators
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8462 is best. (...) (25 years ago, 16-Oct-00, to lugnet.robotics)
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| | RE: Motion/Tilt Sensor from Analog Devices and the RCX
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From looking at the data sheets, it's going to be a bit more of a project than just "hooking it up". At a minimum you'll need to have a small micro to decode the dual PWM outputs, and they (AD) have a data sheet describing the use of a Parallax (...) (25 years ago, 16-Oct-00, to lugnet.robotics.rcx, lugnet.robotics)
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| | Robotized panoramic head
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Hi everybody! I recently uploaded on my site PanoBot2, a RCX-controlled panoramic photography head, which can be build with RIS 1.5. See it, along with full building instructions, LeoCad files and sample panorama photographs at (URL) (25 years ago, 16-Oct-00, to lugnet.announce, lugnet.robotics)
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| | Re: Meaning of lettering on white gearwheel.
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Ncm is the metric measure for torque, imperial is ft/lb's hence 5Ncm is the the amount of torque required before the gear will 'slip', 2.5Ncm before it will engage again. the difference is the hysterisis. one would assume that Lego has a range of (...) (25 years ago, 16-Oct-00, to lugnet.robotics)
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| | Re: Meaning of lettering on white gearwheel.
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(...) teeth (...) rotation (...) As far as I can tell, the minimum "breakaway" torque would be 2.5 Ncm (which would be Newtons*cm, or 2.5 Newtons weight, hung 1 cm out, or 1 Newton hung 2.5 cm out (about .22 of a lb, at 1" radius for those of you (...) (25 years ago, 16-Oct-00, to lugnet.robotics)
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| | Re: Meaning of lettering on white gearwheel.
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(...) is (...) teeth (...) is (...) rotation (...) further? I'm not a real physicist so I'm taking the risk to add confusion instead of knowledge :-) I heard that the 2.5 and 5.0 numbers refer to the threesholds the gear starts to slip in the two (...) (25 years ago, 16-Oct-00, to lugnet.robotics)
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| | Re: Meaning of lettering on white gearwheel.
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(...) I do know they seem to wear out REALLY fast and no longer work as new ones... Mine can now barely turn it's self with out slipping. Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (25 years ago, 16-Oct-00, to lugnet.robotics)
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| | (canceled)
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| | Re: Scout SDK
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Hi Mauro The link is (URL) take a look at (URL) just search hte newsgroup for vll. There's a lot of stuff out there... :o) <>s Ricardo (...) (25 years ago, 16-Oct-00, to lugnet.robotics)
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| | Re: Meaning of lettering on white gearwheel.
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(...) I think Ncm is Newtons per centimeter, but I can't remember how a Newton is defined. So, if you're spinning the drive shaft, and the counter force on the gear teeth is less than 2.5 Ncm, you're fine. If the counter force on the gear teeth is (...) (25 years ago, 16-Oct-00, to lugnet.robotics)
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| | Re: Scout SDK
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(...) I would try looking for it at www.legomindstorms.com --Todd (...) (25 years ago, 16-Oct-00, to lugnet.robotics, lugnet.robotics.scout, lugnet.robotics.vll)
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| | Pneumatic actuators
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Hi, Can anyone tell me in witch set I can find pneumatic actuators and pumps. Thanks from Argentina Luis Alberto González luis_gonzalez@radar.com.ar ARGENTINA (25 years ago, 16-Oct-00, to lugnet.robotics)
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| | Meaning of lettering on white gearwheel.
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On the white 'slipping clutch' 24t gearwheel part is written: 2.5 5.0 Ncm 2.5 5.0 Ncm What is the significance of this? (25 years ago, 16-Oct-00, to lugnet.robotics)
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| | Scout SDK
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Hi, I'm looking for the Scout SDK at www.mindstorms.com but I can't find it. Is it still available? I'd like more information about the VLL protocol... Thanks, Mauro Vianna (25 years ago, 16-Oct-00, to lugnet.robotics)
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| | Re: Motion/Tilt Sensor from Analog Devices and the RCX
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BTW, the Duplo MyBot control unit must have a similar sensor built in. It detects acceleration or tilt in four different directions. It's a closed system however, powered by 2 AA batteries. The set is $50 - not a cheap source for ripping apart for (...) (25 years ago, 16-Oct-00, to lugnet.robotics)
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| | Re: Rotation sensor
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(...) <set:9756> alone or <set:3801> as part of the Ultimate Accessory Set. BEN GATRELLE (25 years ago, 15-Oct-00, to lugnet.robotics)
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| | Rotation sensor
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Can any one tell me the S@H order number for the rotation sensor? Thank you (25 years ago, 15-Oct-00, to lugnet.robotics)
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| | Motion/Tilt Sensor from Analog Devices and the RCX
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Hi, I just order two free samples of Analog Devices ADXL202E at (URL) Anyone know if this can be hooked up to the RCX? Ram PS: Try to get a free subscription to "Sensors". It is a really cool magazine... (25 years ago, 15-Oct-00, to lugnet.robotics.rcx, lugnet.robotics)
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| | Re: Resistances of touch sensors and lamps
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Using the more restrictive criteria that the resistors only come from Radio Shack retail stores, you can't build a bullet proof four switch mux. However, I came up with a similar conclusion about the range of resistor values to use because of the (...) (25 years ago, 15-Oct-00, to lugnet.robotics)
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| | Re: Vision Command camera questions
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(...) What?!?!?! Oh man, I didn't even try, I'm moving to 2000 in a week. Damn! C'mon LEGO(r) if your only going to support Windows THEN support Windows... Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (25 years ago, 15-Oct-00, to lugnet.robotics)
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| | Re: Vision Command camera questions
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its important to state that while the camera will work with Win 2k, the software will not. Doesn't even let you *try* and install it. If you're using 2k you basically have bought yourself an expensive web-cam. -Ryan ----- Original Message ----- (...) (25 years ago, 15-Oct-00, to lugnet.robotics)
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| | Re: Vision Command camera questions
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(...) I can answer a few of your questions. I was able to play with the Cam Last night. (...) It's USB so it requires That windows supports it. 98 and 98SE do as well as 2000. Win95 and Nt 4 & under do not. Win95OSR2 MAY support it as it had limited (...) (25 years ago, 15-Oct-00, to lugnet.robotics)
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| | Vision Command camera questions
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Hi, I have a few questions about the camera in the Vision Command set. Sorry if these are FAQs. Does it work on Windows 95? The box says that Windows 98 is required. Does it have any adjustable focus at all or is it just a fix focus camera? What is (...) (25 years ago, 14-Oct-00, to lugnet.robotics)
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| | Re: New Animation for Dark Side Developer Kit
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(...) Hee hee. "Actual product does not fire lasers." Hee hee. Alan (25 years ago, 13-Oct-00, to lugnet.robotics, lugnet.starwars)
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| | LASM Help
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I'm a senior Computer Engineering major at Wright State University working on my senior design project using Lego Mindstorms. I'm writing a compiler to translate ASM State Charts to LASM code. The problem is, I'm having trouble finding information (...) (25 years ago, 13-Oct-00, to lugnet.robotics)
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| | Re: New Animation for Dark Side Developer Kit
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(...) Yeah, someone posted about this a while ago. I like the way the snowspeeders get blowup and the minifigs walk away unharmed. Reminds me of GI Joe cartoon. Noone ever died. They always managed to parachute out or something. BEN GATRELLE (remove (...) (25 years ago, 13-Oct-00, to lugnet.robotics, lugnet.starwars)
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| | New Animation for Dark Side Developer Kit
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Hey LUGNET. Just thought I'd point out the new stop-animation Flash piece now online at: (URL) the animation are a couple of pages about the LEGO MINDSTORMS Dark Side Developer Kit. Keep it real. Kiernan Mathews Producer, LEGO Direct (25 years ago, 13-Oct-00, to lugnet.robotics, lugnet.starwars) !
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| | Parts - Lego or not
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Is it just me or do other people have problems when they build gear mechanisms sandwiched between technic plates? I tend to get noise, if not actual jamming due to the hub design interfering with the studs adjacent to the holes. Of course you can (...) (25 years ago, 13-Oct-00, to lugnet.robotics)
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| | Re: Use the EVENT_LIGHT_CLICK on Scout
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(...) My guess would be it's no where near bright enough to register. It's looking for a SUDDEN change from dark to LIGHT and back to dark... You'd be better off using the IR to trigger that. In the Scout SDK there is a avoidance program. Maybe you (...) (25 years ago, 13-Oct-00, to lugnet.robotics)
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| | Use the EVENT_LIGHT_CLICK on Scout
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Help! I want to use NQC 2.2r1 to program the scout the monitor the flash light reflect from some obstacle. I use the VLL as the light source. Here is the source. task main() { On(OUT_C); SetSensorClickTime(100); monitor(EVENT_LIGHT_CLICK) (...) (25 years ago, 13-Oct-00, to lugnet.robotics)
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| | Re: programming the Hitachi H8... (newbie question)
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Try these URLs: (URL) (...) (25 years ago, 12-Oct-00, to lugnet.robotics)
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| | Re: Mindstorms mall tour
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John Saylor (08:17 PM 10.11.2000) wrote: >Does anyone know anything about this "event"? I posted this when I took my 11 year old at the end of September: ---...--- Hi all; My 11 year old and I head out locally to the Mindstorms 2000 Mall Tour this (...) (25 years ago, 12-Oct-00, to lugnet.robotics)
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| | Mindstorms mall tour
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Hi Does anyone know anything about this "event"? It's coming to Newton this weekend and I wanted to know if it was worth the trip. (25 years ago, 12-Oct-00, to lugnet.robotics)
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| | Re: Lego Stores in Canada
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(...) [snip] (...) G'day Joseph, You may be interested in my post regarding my second visit to the one in St. Jacobs: (URL) D. Jackson, LUGNETer #203, Windsor, Ontario, Canada (25 years ago, 12-Oct-00, to lugnet.robotics)
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| | Re: Lego Stores in Canada
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(...) where (...) must (...) full (...) ID'd (...) Lego (...) to (...) bought a (...) and (...) Hi, I've been searching everywhere for a store like what you described. Can you give me more info on the store like the address and number? Are there (...) (25 years ago, 12-Oct-00, to lugnet.robotics)
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| | Re: Is Extreme Creatures Good? FOS stuff
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I'd vote that at half price, the Extreme Creatures set is a pretty good deal (full price is too much for the piece count), but mostly because of the fiber-optics--although I will say the Constructopedia pushes the user in the direction of (...) (25 years ago, 12-Oct-00, to lugnet.robotics)
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| | Re: Lego Stores in Canada
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Any chance you still have their phone number? Thanks! (...) (25 years ago, 11-Oct-00, to lugnet.robotics)
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| | Re: Lego Stores in Canada
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Were there any older System sets in that warehouse (eg. Pirates, Royal Knights, Cowboys, Pre-Jr. Town...)? (...) (25 years ago, 11-Oct-00, to lugnet.robotics, lugnet.loc.ca.on)
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| | Lego Stores in Canada
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I just came back from the St Jacobs Outlet Mall, near Waterloo Ontario, where I discovered a Lego Store. It is not associated with Lego (they say). However, they do have lot quantities of kits at reduced prices, so there must be some connection. (...) (25 years ago, 11-Oct-00, to lugnet.robotics)
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| | RE: Is Extreme Creatures Good? FOS stuff
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Time to jump in.... The FOS uses a small surface mount LED. It's about 2.5mm x 3 mm and mounted to a thin PCB. There are what look like diodes and what I would guess are current limiting resistors on the board also, so good luck trying to have (...) (25 years ago, 11-Oct-00, to lugnet.market.shopping, lugnet.robotics.rcx, lugnet.robotics, lugnet.technic)
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| | Re: The Datalog
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Yes. They can sell parts (all of them :), and we can make firmware for the RCX. That way they would not have to spend resources in devloping new software, and we could get the ultimate RCX firmware. Andy (...) (25 years ago, 11-Oct-00, to lugnet.robotics)
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| | Re: The Datalog
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(...) It is difficult to see how they could even think they did. Byte code interpretation was a well used implementation technique for Pascal systems back as far as the 70s. UCSD Pascal being one of the best known examples. I think Visual Basic (...) (25 years ago, 11-Oct-00, to lugnet.robotics)
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| | Re: help spirit
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(...) It's on your MindStorms CD rom. Just do a Windows FIND for the file your looking for on the CD... Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (25 years ago, 11-Oct-00, to lugnet.robotics)
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| | help spirit
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Where can I download the SPIRIT.OCX Edu (25 years ago, 10-Oct-00, to lugnet.robotics)
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| | Safari needs testers
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Are you seeking for new uses in your Vision Command camera? Safari is a set of ActiveX Objects that detects barcode tags from the video source connected to your PC. You can incorporate these ActiveX Objects into your robotics application written in (...) (25 years ago, 10-Oct-00, to lugnet.robotics)
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| | Re: The Datalog
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(...) If we could duplicate the firmware's functions for "the standard" and create a "super set" on top of it for other functions we could really make the RCX a powerful beast. Picture this... Firmware with options when installing it. Do you want (...) (25 years ago, 10-Oct-00, to lugnet.robotics)
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| | RE: The Datalog
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(...) I'm not sure about that, but they certainly have disclaimers on the firmware itself, which prevents us from reverse engineering it. Now, the original intent was probably to prevent a competitor from designing a system which was compatible with (...) (25 years ago, 10-Oct-00, to lugnet.robotics)
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| | Re: The Datalog
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I have noticed a number of comments about the RCX byte code system, including this thread, which would like to see some sort of datalog read function. My question is; Does Lego have a copyright on the byte code interpretation? If not, then wouldn't (...) (25 years ago, 10-Oct-00, to lugnet.robotics)
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| | Re: NQC
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(...) Open source software at it's best! Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (25 years ago, 10-Oct-00, to lugnet.robotics, lugnet.robotics.rcx.nqc)
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| | Re: Is Extreme Creatures Good? FOS stuff
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(...) Yes. Of course. Those are the best ones. LED's are basically just Diodes that make light. So you can "Twist" two LED's together to get one on each polarity. Like I was saying above, my favorites are the tri-coloured LEDs... Dean -- Coin-Op's (...) (25 years ago, 10-Oct-00, to lugnet.market.shopping, lugnet.robotics.rcx, lugnet.robotics, lugnet.technic)
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| | Re: A neat idea for touch sensors
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Just in case anybody needs a "how-to" photo of Rob's idea: (URL) G. (25 years ago, 10-Oct-00, to lugnet.robotics)
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| | Re: Is Extreme Creatures Good? FOS stuff
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(...) Yes. Radio Schlock has a few: orange, definitely (but I think it's one of the 10mm "jumbos", so it wouldn't fit). And I'm pretty sure they have green in smaller sizes. BG Micro (www.bgmicro.com) has some real stunners, that have just hit the (...) (25 years ago, 10-Oct-00, to lugnet.robotics.rcx, lugnet.robotics, lugnet.technic, lugnet.market.shopping)
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| | Re: Is Extreme Creatures Good? FOS stuff
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(...) Ahh, to bad. I wonder if there are any other colors in "ultra bright"? (...) you'd (...) Actually I think there are LED's with only two legs with the "two-color" feature. I'll have to investigate this and come back to you. /Joakim (25 years ago, 10-Oct-00, to lugnet.market.shopping, lugnet.robotics.rcx, lugnet.robotics, lugnet.technic)
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| | NQC
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I don't use this software.. But I thought I'd mention that NQC has been ported over to Beos. I saw a link on www.bebits.com <G> (25 years ago, 9-Oct-00, to lugnet.robotics)
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| | Re: Is Extreme Creatures Good? FOS stuff
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(...) If you don't use a tiny ultra bright one you won't get much... Also, the circuit it the thing is already making sure the power flows to the LED one way. So you'd have to disable that as well if you want the multicolour LED's. My favs are the (...) (25 years ago, 9-Oct-00, to lugnet.market.shopping, lugnet.robotics.rcx, lugnet.robotics, lugnet.technic)
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| | Re: Is Extreme Creatures Good? FOS stuff
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Dean Husby wrote in message <39E24918.6440C972@a....bc.ca>... (...) Arghhh, now i just HAVE to disassemble a few of them and replace it with a green, and a yellow, and a blue... Or maybe a LED that swiches from red to green when swiching polarity. (...) (25 years ago, 9-Oct-00, to lugnet.market.shopping, lugnet.robotics.rcx, lugnet.robotics, lugnet.technic)
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| | Re: [Q} What is URL for S@H?
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(...) www.lego.com -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (25 years ago, 9-Oct-00, to lugnet.robotics)
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| | Re: Is Extreme Creatures Good? FOS stuff
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(...) The Light source is a LED. A super Bright one to be exact. Mounted on an arm that spins around the block. Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (25 years ago, 9-Oct-00, to lugnet.market.shopping, lugnet.robotics.rcx, lugnet.robotics, lugnet.technic)
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| | [Q} What is URL for S@H?
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subj -- Regards, Konstantin ---...--- (URL) (25 years ago, 9-Oct-00, to lugnet.robotics)
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| | Tic Tac Toe Bot
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Hi, I just finished my Tic Tac Toe playing robot. There are some pictures of it at (URL) (c0rtex with a zero). Tell me what you think of it. Trevor Foley (25 years ago, 9-Oct-00, to lugnet.robotics)
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| | Re: Is Extreme Creatures Good? FOS stuff
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Has anyone cracked opened one of the FOS units? What is the light source? I assume that there is only one light source that is somehow distributed by the rotary action. If the source is an LED, has anyone attempted to change the color? kirk "Sean (...) (25 years ago, 9-Oct-00, to lugnet.market.shopping, lugnet.robotics.rcx, lugnet.robotics, lugnet.technic)
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| | Re: Is Extreme Creatures Good?
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(...) It was also seen in the UFO 6979 ( (URL) ) Also came with a Micro Motor... Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (25 years ago, 9-Oct-00, to lugnet.market.shopping, lugnet.robotics.rcx, lugnet.robotics, lugnet.technic)
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| | Cheap Mindstorms Motors
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I noticed that Toys R US in central Ohio have deeply discounted Lego Znap products. I bought a 3552 for $9.97 in Columbus (Hamilton Rd) last week. Today I picked up models 3552 and 3571 for $4.90 each at TRU in Heath! Each includes a 9V motor (...) (25 years ago, 9-Oct-00, to lugnet.robotics)
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| | Re: Why no 8450 or 8482 in US?
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I have sneaking suspicion it has something to do with the fcc and the use of the 27MHz model control band. As I understand it, use of the 27MHz band in the US specifically prohibits the transmission of data, while it isn't so stringent in this (...) (25 years ago, 9-Oct-00, to lugnet.robotics)
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| | motors
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I know this question came up before, but can someone please tell me the effiency of the motors included with lego mindstorms?? How to they compare to the avergae electric motor?? (25 years ago, 9-Oct-00, to lugnet.robotics)
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| | Re: programming the Hitachi H8... (newbie question)
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Thanks for the info Steve! I've read a little about NQC and LegOS and as you describe LegOS appeals to me for the raw low-level support it offers. (...) What do you mean "setup as a cross-compiler"? I'm not familiar with that process... Is there a (...) (25 years ago, 9-Oct-00, to lugnet.robotics)
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| | Re: Resistances of touch sensors and lamps
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I have been keeping an eye on this thread and feel compelled to add my observation and experience; The touch sensors tend to exhibit quite an extended range of resisitance values as they are depressed. I have a couple which start as high as 7k on (...) (25 years ago, 9-Oct-00, to lugnet.robotics)
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| | Re: programming the Hitachi H8... (newbie question)
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(...) Well, (I'm also a C++ programmer - with a similar background - who got a RIS for his birthday this year). There are two choices that suit people like you and I. The *simplest* is 'NQC' (Not Quite C) - which is a *small* C subset that compiles (...) (25 years ago, 9-Oct-00, to lugnet.robotics)
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| | programming the Hitachi H8... (newbie question)
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Hi, I am new to Lego Mindstorms and just got a RIS 1.5 for my birthday. Let me start with a brief background info on myself: By profession I'm a C++ programmer who does COM+ development. I'm not a formally educated computer scientist however (no CS (...) (25 years ago, 8-Oct-00, to lugnet.robotics)
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| | Re: need advice on joining....
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Amnon: Thanks. Your right. that did the trick. I used your idea in conjunction with a part that I found in the cybermaster set. I just searched the element registry and could not find it. it has 2 friction pegs on the bottom, and forms a triangle (...) (25 years ago, 8-Oct-00, to lugnet.robotics)
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| | Resistances of touch sensors and lamps
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Hi all, I played around with touch sensors and a lamp this weekend, trying to measure their resistance. Since my Ohmmeter proved rather unreliable, the values keep wandering around and it seemed zero was not well adjusted, I just took a look at the (...) (25 years ago, 8-Oct-00, to lugnet.robotics)
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| | alternate uses for IR port...
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can the IR port used to send messages to the RCX also be used for other applications? in other words should i even bother trying to use the IR module hooked up to my computer for other devices or should i expect it to be proprietary. and if it is (...) (25 years ago, 8-Oct-00, to lugnet.robotics)
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| | RCX, Servos ,and Pneumatics
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Hi All, I've just updated my site with new information on controlling standard RC servos with the RCX. Besides the dead-simple schematic that uses Radio-Shack parts, you can even control pneumatic switches! There are a few pictures that show a (...) (25 years ago, 7-Oct-00, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth)
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| | Re: NQC versus Lego RCX Code Speed
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Yes, this explains my observations perfectly! I will probably set up some more experiments--attempting to exactly duplicate the function of my oddly-behaving RCX Code (my currently-running NQC program is very close already), and try to get some real (...) (25 years ago, 7-Oct-00, to lugnet.robotics)
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| | Re: need advice on joining....
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Use the light gray pegs that have a 1-length dowel on one side and a stud on the other side. These convert holes to studs, so it is easy to make the joint you want. Put one stud next to the cross axle hole in the bend angle beam, skip two holes, and (...) (25 years ago, 7-Oct-00, to lugnet.robotics)
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| | Re: Vision command and Mac
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Have you tried using Virtual PC (or Real PC)? I believe that Virtual PC at least supports some USB devices, maybe the Camera is supported. BTW, has anyone thought of extending NQC --or any of the other alternative RCX programming environments-- to (...) (25 years ago, 7-Oct-00, to lugnet.robotics)
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| | need advice on joining....
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Help I am building a gripping mechanism and am using pneumatics to do the squeezing. Due to the orientation of the hole on the base of the cylinder I was "forced" to attach a beam in such a way that is now puts me in a bind. The beam in question (...) (25 years ago, 7-Oct-00, to lugnet.robotics)
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| | Re: Dropping your RCX on the floor...
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Having had to dismantle an RCX at one stage, I would point out that the battery connectors are not solidly attached to the main circuit board inside the RCX. (I have noted a lot of Lego electrics are built along those lines - relying on mechanical (...) (25 years ago, 6-Oct-00, to lugnet.robotics)
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| | Re: NQC versus Lego RCX Code Speed
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(...) With regards to your comment about sensor watchers, yes they are slow. If I remember correctly, they are implemented by a task that loops forever polling the sensors and starting other tasks whenever an event of the proper type occurs. Tasks (...) (25 years ago, 6-Oct-00, to lugnet.robotics)
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| | Re: Is Extreme Creatures Good?
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(...) If you can find <set:6979> on clearance at TRU for $30, it's arguably a better deal, since it also has a Micromotor. It's not Technic, but my feeling is that the parts in it have more potential for making "pretty" bots. Ran (25 years ago, 6-Oct-00, to lugnet.robotics, lugnet.technic, lugnet.market.shopping)
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| | Re: Cheap pyroelectric sensor
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Ah hah! That's where they come from! I had seen the $40 ones mentioned in this news group a while back and then found Walmart selling complete motion detector systems for $8. So I bought a couple and pulled the sensors out. So they only cost $4! (...) (25 years ago, 6-Oct-00, to lugnet.robotics)
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| | Cheap pyroelectric sensor
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Hi all, Somebody pointed out to me a REALLY inexpensive pyroelectric sensor, to be found here: (URL) specs are here: (URL) he was asking if the sensor can be used with my interface circuit, to be found here: (URL) answer is no, at least not without (...) (25 years ago, 6-Oct-00, to lugnet.robotics)
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| | Re: A neat idea for touch sensors
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(...) make that four, one more than the number of sensors (...) It's on Michael Gasperi's site ((URL) Schumm has figured out how to orient the wires to allow two or more Touch sensors to be hooked in series to create the AND function. Here is his (...) (25 years ago, 6-Oct-00, to lugnet.robotics)
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| | RE: NQC versus Lego RCX Code Speed
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(...) (URL) Is a note I posted a while back on pbForth speed. It really is very fast - not as quick as legOS, but fast enough for what we're doing. In fact, NQC and native firmware is fast enough - we just don't have enough variables.... As a point (...) (25 years ago, 6-Oct-00, to lugnet.robotics)
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| | Re: Vision command and Mac
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I've seen no discussions of drivers either, if any finds out anything...please post. Thanks, Doug (...) Share information about yourself, create your own public profile at (URL) (25 years ago, 6-Oct-00, to lugnet.robotics)
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| | Re: NQC versus Lego RCX Code Speed
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(...) This is correct. (...) Hehe :) Yes, this is correct. LegOS is also faster for some other reasons- it samples the sensors at a much faster rate than the standard firmware, so legOS programs can react much more quickly than standard bytecode (...) (25 years ago, 6-Oct-00, to lugnet.robotics)
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| | RE: NQC versus Lego RCX Code Speed
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Thanks very much, everyone, for the detailed answers. I suspect that, due to the huge performance gain I seem to get using NQC (in one observable area: touch sensor response time using two touch sensors on two separate ports), that the RCX Code (...) (25 years ago, 6-Oct-00, to lugnet.robotics)
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| | Vision command and Mac
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Hello listers, Once again Lego has made a product that is without Mac support. I have tried all the Logitec drivers, but the camera must be a model without mac support. Have any of You found a solution for getting it to work ? Regards Mikkel --- (25 years ago, 6-Oct-00, to lugnet.robotics)
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| | Re: NQC versus Lego RCX Code Speed
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(...) As I understand it, the situation is this: * Using the Windoze graphical environment - your 'programs' are translated into a special 'byte-code' that's interpreted by the RCX's firmware. * Using NQC, your C programs are translated into the (...) (25 years ago, 6-Oct-00, to lugnet.robotics)
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| | Re: NQC versus Lego RCX Code Speed
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(...) At the RCX level, there is no difference. Both use the standard Lego firmware to execute programs specified using a byte code. The byte code is something like an instruction set, except that it's interpreted and it has operations that are (...) (25 years ago, 6-Oct-00, to lugnet.robotics)
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| | Re: Remote dead, what to do?
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That was it! Thanks so much. --Jack Gregory Juergen Stuber <stuber@loria.fr> wrote in message news:87d7hf5sny.fsf@loria.fr... (...) problem. (...) If (...) breaking (...) (25 years ago, 5-Oct-00, to lugnet.robotics)
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| | Re: Is Extreme Creatures Good?
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I got Extreme Creatures about a month ago when it was last on special at S@H for $25. I guess for the Fibre Optic unit and the collection of parts, it's not a bad price. As far as I can tell, it's the only way you can get the FOS main unit from (...) (25 years ago, 5-Oct-00, to lugnet.market.shopping, lugnet.robotics.rcx, lugnet.robotics, lugnet.technic)
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| | RE: NQC versus Lego RCX Code Speed
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(...) No, the Lego GUI software and NQC both produce code for the same target -- a simple interpreted virtual machine implemented in the firmware. I have never looked at the code produced by the Lego GUI, but I can't imagine it would be that much (...) (25 years ago, 5-Oct-00, to lugnet.robotics)
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| | RE: NQC versus Lego RCX Code Speed
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Wilcox, Doug (11:04 AM 10.05.2000) wrote: >Hmm. This question seems to have gone the way of my PC-->IR Tower cable >question. > >Let me try to get at the point that most interests me--what is the >difference, at the RCX level, between programs coded (...) (25 years ago, 5-Oct-00, to lugnet.robotics)
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| | RE: NQC versus Lego RCX Code Speed
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Hmm. This question seems to have gone the way of my PC-->IR Tower cable question. Let me try to get at the point that most interests me--what is the difference, at the RCX level, between programs coded in NQC and programs coded in RCX Code. Is the (...) (25 years ago, 5-Oct-00, to lugnet.robotics)
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| | Cybermaster on sale
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Yesterday I saw that the Cybermaster is on sale at the Bart Smit toy shops in the Netherlands, now only fl. 169,- (approx US$ 70) instead of fl. 449,-. I bought just one... Emile. (25 years ago, 5-Oct-00, to lugnet.robotics)
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