 | | Re: 9747 (RIS 1.5) comes with 2.0 RCX brick?!?
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(...) I wonder if the RCX 2.0 to RCX 2.0 range would improve if you changed to a 76KHz carrier. (22 years ago, 8-Nov-03, to lugnet.robotics)
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| | Re: Biggest lego wheel?
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if the goal is to climb stairs, i remember seeing some designs that manage to function like larger wheels than they are. i can't find the links, maybe someone remembers where. was it lobster bot or something like that ? it used canterlever arms or (...) (22 years ago, 8-Nov-03, to lugnet.robotics)
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| | Re: Spybot studies: SetTxDirection() confusion
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(...) How *does* the Spybot know the orientation (the ROM SDK calls it "aspect") of another Spybot? My (casual) observations indicate that all three emitters are on simultaneously and synchronously. How does the observing Spybot identify which one (...) (22 years ago, 8-Nov-03, to lugnet.robotics.spybotics)
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| | Re: Mindstorms 3.0 Wish List
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(...) How about doing what TI does with their graphics calculators instead... use small watch batteries to backup the memory (with a tiny inset button to reset). Michael ___...___ MSN Messenger with backgrounds, emoticons and more. (URL) (22 years ago, 8-Nov-03, to lugnet.robotics)
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| | Re: 9747 (RIS 1.5) comes with 2.0 RCX brick?!?
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(...) Yes RCX 2.0 can communicate with spybot if you use "extra-soft" but not with RIS soft. RCX 2.0 does not work well with IR remote, you have to be exactly in front of the RCX 's IR port to pilot it. So you can' t pilot easily RCX2.0 vehicle with (...) (22 years ago, 8-Nov-03, to lugnet.robotics)
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| | Re: Biggest lego wheel?
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"Mike Reddy" <mreddy@glam.ac.uk> wrote in message news:Hnz8uz.1yxp@lugnet.com... (...) students (...) The hailfire droid wheel is the biggest, but impossible to use. After that the balloon tyres from 8466/8457 are the largest. ((URL) and goes on (...) (22 years ago, 7-Nov-03, to lugnet.robotics)
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| | Re: Biggest lego wheel?
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(...) I think we can be a little more specific here: Besides the Hailfire droid wheel Philippe Hurbain mentioned in his post, here are 3 more Peeron references to large wheels. If you follow the links, you will also see a list of what sets each one (...) (22 years ago, 7-Nov-03, to lugnet.robotics)
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| | Re: Spybot Studies: display an 8-bit value
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(...) In case anyone was wondering (yeah, sure :-), this line in my original post: lediDisplay = (x & 0x17) ((x & 8) * 4) ((x & 32) / 4) rearranges the bits so that the lower 6 bits can easily be read left to right (while looking at the bot from the (...) (22 years ago, 7-Nov-03, to lugnet.robotics.spybotics, FTX)
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| | Re: Spybot Studies: display an 8-bit value
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(...) Mark Riley did this using MindScript but I don't recall having already seen the equivalent in NQC. (URL) than use a #define macro (speaking of which, I need to fix the syntax highlighting of preprocessor macros to account for multiple lines) I (...) (22 years ago, 7-Nov-03, to lugnet.robotics.spybotics)
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| | Re: Spybot Studies: display an 8-bit value
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(...) Another very simple thing to do to display this type of "debug" information is to send a message to an RCX, and display the value on the LCD of the RCX. That way, you don't need to mess with decoding the 8 bit binary number. This was not my (...) (22 years ago, 7-Nov-03, to lugnet.robotics.spybotics)
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| | Spybot Studies: display an 8-bit value
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I feel a little sheepish posting such simple code, but I needed to write this function anyway, and it's a legitimate illustration of a couple functions, which is the goal of "Spybot Studies" and this is a run-on sentence. /* led_8bit_display A (...) (22 years ago, 7-Nov-03, to lugnet.robotics.spybotics)
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| | Re: Cubesolver with USB Tower?
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(...) It's been awhile since I've used VB to do anything, but these instructions look like they will work. To add a bit more detail: 1. Download the Phantom OCX and install it on your system. I don't know if Phantom registers itself on your (...) (22 years ago, 7-Nov-03, to lugnet.robotics.rcx)
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| | Re: Spybot studies: SetTxDirection() confusion
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(...) I think these emitters are different wavelength, 940nm for the pointing up one, 880nm for the others. 940nm radiation is very close to red wavelength range and is easily seen by cameras CCD, even though they generally include an IR filter to (...) (22 years ago, 7-Nov-03, to lugnet.robotics.spybotics)
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| | Re: Spybot studies: SetTxDirection() confusion
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(...) Yes, there is a visible light cut-off filter built in remote command receiver. Philo (22 years ago, 7-Nov-03, to lugnet.robotics.spybotics)
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| | Re: Spybot studies: SetTxDirection() confusion
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(...) My understanding (which may well be incorrect) is that the Manas unit only responds to IR. Sending an RC message using the PC channel is probably not terribly useful since (as far as I am aware) there aren't any devices that use RC messages (...) (22 years ago, 7-Nov-03, to lugnet.robotics.spybotics)
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| | polish version of mlcad
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hi i just finished polish version of mclcad language pack i know there is not much polish members here but i just wanted to announce it :))) i hope michael will set this langpack on his site br pixel (22 years ago, 7-Nov-03, to lugnet.cad.mlcad, lugnet.robotics, lugnet.technic)
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| | Re: Spybot studies: SetTxDirection() confusion
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I forgot to mention that the mana (set to channel 3) didn't respond to the laser LED's command message. Is this because the mana isn't sensitive to visible red or because the signal is somehow encoded differently when it comes out the laser? (or (...) (22 years ago, 7-Nov-03, to lugnet.robotics.spybotics)
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| | Re: Spybot studies: SetTxDirection() confusion
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(...) Yes, there are multiple IR emitters. Two in front at nearly 90 degree angles, one in back, and a high-power one pointing up. Turns out my camera was only picking up the high-power emitter. I tried again with a different camera (the Vision (...) (22 years ago, 7-Nov-03, to lugnet.robotics.spybotics)
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| | Re: Spybot studies: photoelectric eye
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(...) Of course you are correct! I repeated the process (unplugging the cable to simulate the failure of the comm port) and found that it detected the spybot through the USB Tower; then when I attempted to download the program, it activated the USB (...) (22 years ago, 7-Nov-03, to lugnet.robotics.spybotics)
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| | Re: Biggest lego wheel?
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(...) Not really easy to use... but by far the biggest: Hailfire droid wheel ( (URL) (22 years ago, 7-Nov-03, to lugnet.robotics)
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