 | | Re: Need help combining steering with odometry in NXC
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(...) If you are really following a line then you should use a traditional line following algorithm rather than try to use motor synchronization and turn ratios. There isn't any reason to synchronize the motors since following a line usually (...) (17 years ago, 5-Dec-07, to lugnet.robotics)
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| | any video of LEGO fire fighting bots?
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I'm giving a demo on Saturday of the Trinity College Robot Fire Fighting contest. There are likely to be a lot of LEGO bot builders there (Fort Collins has one of the biggest FIRST LEGO League followings in the country). I'll be showing some videos (...) (17 years ago, 5-Dec-07, to lugnet.robotics)
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| | Re: Need help combining steering with odometry in NXC
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(...) Update: upon a couple more hours' testing, I found that the above command actually prevents the bot from turning at all. It will only turn if I pass at least RESET_BLOCK_COUNT for the last parameter (of course other combinations that include (...) (17 years ago, 4-Dec-07, to lugnet.robotics)
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| | Re: I can't get the RCX 1.5 software to run on WinXP
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(...) I've got some more info, but it doesn't seem to help. Searching on "Director Player" and "Virtual Memory" turns up tons of hits on other software, totally unrelated to the RCX. But in every case, the listed workaround is the same- increase (...) (17 years ago, 4-Dec-07, to lugnet.robotics.rcx)
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| | Need help combining steering with odometry in NXC
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I'm working on an NXT bot to do the Trinity College Fire Fighting Robot Contest ((URL) at least well enough to get through this Saturday's demo at the local science museum. At the moment, I'm just trying to get the robot to follow the wall (which is (...) (17 years ago, 4-Dec-07, to lugnet.robotics)
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| | Re: NXT compatible bluetooth adapters
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I have a older no-name one with BlueSoleil. But that one didn't work with the instruction I followed. (...) (17 years ago, 4-Dec-07, to lugnet.robotics)
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| | Re: NXT compatible bluetooth adapters
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At the very beginning, I could get the BlueSoleil (the software with an orange in the middle) connect to NXT, no problem. But it was no use, as long as Lego software can't find the bluetooth. But that was only at the beginning. I can't reproduce (...) (17 years ago, 4-Dec-07, to lugnet.robotics)
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| | Re: motor command question
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Hi Patty, I can't really answer this question other to say that I had exactly the same problem a while ago. I talked to LEGO tech support to no avail and they actually sent me a replacement block to fix the problem. However when I got it I had (...) (17 years ago, 3-Dec-07, to lugnet.robotics.nxt)
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| | Re: motor command question
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Because the motors start to turn, then the program reaches the end, and exits. You need to tell the program to "wait for" something after the motors start. Steve (...) (17 years ago, 3-Dec-07, to lugnet.robotics.nxt)
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| | I can't get the RCX 1.5 software to run on WinXP
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Help! I installed the RCX 1.5 software on my WinXP machine. I got no errors during setup, but when I tried to run it I got an error saying it needs 3MB of virtual memory. Running with Win95 compatability settings didn't help. I looked around on the (...) (17 years ago, 3-Dec-07, to lugnet.robotics.rcx)
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| | motor command question
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Why would two motors, set to turn and with unlimited chosen for time out, only turn a couple of times and stop. this motor command is the only command in the program. patty (17 years ago, 3-Dec-07, to lugnet.robotics.nxt)
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| | Re: NXT compatible bluetooth adapters
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Besides, there's an according list on the official LEGO MINDSTORMS NXT site: (URL) certainly not complete, though, but a starting point (and they may be interested in the results of this discussion as well). As for BlueSoleil, I could not get it (...) (17 years ago, 3-Dec-07, to lugnet.robotics)
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| | Re: NXT compatible bluetooth adapters
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I bought the Kensington 33085 and have had that working fine on 3 different PCs. I also bought a no-name bluetooth adapter that uses the BlueSoliel software. I was able to get that one working on the PCs as well. The Kensington, bought for about $50 (...) (17 years ago, 3-Dec-07, to lugnet.robotics)
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| | Re: NXT compatible bluetooth adapters
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I bought one of those "no name" adapters (with Bluesoleil software) $10 (Australian). Of course, plug and no-go. Then I found this: (URL) working now. The adapter has been identified as "ISSC USB Bluetooth Device". (...) (17 years ago, 3-Dec-07, to lugnet.robotics)
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| | Re: Nxc and Mindsensors stuff
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(...) Thank you! But it worked only after firmware upgrade (to version 1.05) and using original NXT flat cables (Mindsensors flat cables are very poor quality). -- alf (17 years ago, 30-Nov-07, to lugnet.robotics.nxt)
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| | Re: recharging NXT battery block with DC adapter?
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My NXT Charger came with my battery. The output of the charger is 10.8 volts, 700 ma 8W. I would just buy the Lego charger. After reaching a full charge, the charger goes into a trickle charge mode. "Pavel Petrovic" <pavel.petrovic@gmail.com> wrote (...) (17 years ago, 30-Nov-07, to lugnet.robotics.nxt)
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| | Re: recharging NXT battery block with DC adapter?
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(...) Whew! I was going to put my question in past tense ("Does this mean that I should have or shouldn't have used the train controller plug ...") but it seemed better to be a fool after doing something not dumb than after doing something dumb! (...) (17 years ago, 30-Nov-07, to lugnet.robotics.nxt)
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| | Re: recharging NXT battery block with DC adapter?
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(...) You should. The NXT battery expects the same wallwart as the train controller and RCX. Philo (17 years ago, 30-Nov-07, to lugnet.robotics.nxt)
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| | Re: recharging NXT battery block with DC adapter?
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(...) Brian, So, does this mean that I should or I shouldn't use the train controller plug thingy that I use for the trains and my RCX? Rafe (17 years ago, 30-Nov-07, to lugnet.robotics.nxt)
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| | Re: recharging NXT battery block with DC adapter?
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(...) I'd say a bad idea, since it's supposed to be supplied with 9-12V *AC* (not DC) power. Like the RCX 1.0, it might work under a DC supply... but that's not what it was designed for. (17 years ago, 30-Nov-07, to lugnet.robotics.nxt)
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