 | | Upgrading RCX to 2.0
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My first Mindstorms kit is the NXT but I have found some interesting projects for the previous generation RCX. My basic question is, is the upgrade from say a RCX 1.0 or 1.5 to 2.0 just a software update via your computer or is something that has to (...) (19 years ago, 3-Aug-06, to lugnet.robotics)
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| | NXT and ROBOLAB 2.9
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Here we are with our first NXT robot, a simple sonar wall-avoider. We are using ROBOLAB 2.9 as we want to continue with the ROBOLAB structures. This allows easy migration from RCX to NXT. ROBOLAB 2.9 uses a replacement firmware for NXT. Very (...) (19 years ago, 3-Aug-06, to lugnet.robotics)
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| | RE: NXT Motors -- Speed vs Power Level
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(...) I've done the same measurements/plots and found same linearity when 'brake' on inactive PWM cycles is used. Not so good when 'float' is used. This leads to a conundrum that I simply can't explain. If you use 'inactive brake' mode the motors (...) (19 years ago, 3-Aug-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Re: NXT Motors -- Speed vs Power Level
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I tried to plot power levels vs angular speed (in rad/s) and discovered goooood linearity ( remember how non-linear was RCX PWM)? The PID loop is a great idea, and I suppose that PID parameters should be tweakable. In SDK or HDK ( don't remember (...) (19 years ago, 3-Aug-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | robot positioning system
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RCX freaks surely will appreciate www.informatik.uni-k...arbeit.pdf !!! Cool ! (19 years ago, 2-Aug-06, to lugnet.robotics)
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| | Re: NXT Bluetooth on Intel Based Macs
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(...) Unfortunately no. NXT-G is currently a PPC app so it has to run under rosetta. Bluetooth is unavailable to apps running under rosetta. You can connect to it via bluetooth outside of NXT-G though if you write a program to communicate with it (...) (19 years ago, 1-Aug-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | NXT Developer Kits released!
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As prior LEGO press releases (URL) have stated>, the NXT developer kits would be available in August. And here they are! (URL) Software Developer Kit (SDK) Includes the NXT driver interface specification and necessary tools for creating third-party (...) (19 years ago, 1-Aug-06, to lugnet.robotics, lugnet.robotics.nxt, FTX)
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| | NXT Bluetooth on Intel Based Macs
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Has anyone got their NXT to work on one of the "new" Intel based Mac systems using the OSX operating system? Out of the box, I've heard NXT-G only supports USB connections on Intel Macs. But through standard OSX functionality you're able to set up a (...) (19 years ago, 1-Aug-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Great Ball Contraption at BrickFest '06
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There has not been a great deal of public discussion about having a Great Ball Contraption at BrickFest '06, but there WILL be a GBC at BF06. If you missed your chance last year, when we had almost fifty modules, now is the time to start building. (...) (19 years ago, 31-Jul-06, to lugnet.robotics, lugnet.technic, lugnet.events, lugnet.events.brickfest, lugnet.robotics.events, lugnet.robotics.nxt, lugnet.robotics.rcx)
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| | NXT Motors -- Speed vs Power Level
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An explanation of when to use and when not to use the new NXT motor speed control option. The RCX supports only a motor power level control where the input is the percentage of time that power should be applied to the motor. The NXT supports not (...) (19 years ago, 30-Jul-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Modified Alpha Rex
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Does anyone have any plans for modifying the basic Alpha Rex robot to allow him to pickup objects? Thanks for your time, Tom (19 years ago, 29-Jul-06, to lugnet.robotics)
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| | windows 2000 IR driver
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My qestion how do i get the IR communication driver for windows 2000? (19 years ago, 29-Jul-06, to lugnet.robotics)
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| | Re: Looking for Alternate Mindstorms 3804 projects
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(...) Awesome! Thanks so much. later, James Mathis (19 years ago, 28-Jul-06, to lugnet.robotics)
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| | Re: Looking for Alternate Mindstorms 3804 projects
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(...) Hello James, I have a few on my site: (URL) (all except Panobot1), (URL) (RIS simon, bottom of page) Philo (19 years ago, 28-Jul-06, to lugnet.robotics)
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| | Looking for Alternate Mindstorms 3804 projects
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I'm looking for alternate projects and building instructions that use only the LEGO bricks in one Mindstorms set 3804. For sale books or on-line websites, either is welcome. Any pointers? Thanks! later, James Mathis (19 years ago, 28-Jul-06, to lugnet.robotics)
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| | GBC video from BrickFest 2005 on DVD
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I'm planning on bringing a stack of DVDs with me to BrickFest this year containing (URL) my Great Ball Contraption video> from last year's event. This will be the original hi-res version (1.94 GB) and not the (URL) web version> linked to in that (...) (19 years ago, 26-Jul-06, to lugnet.events.brickfest, lugnet.robotics, lugnet.technic, FTX)
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| | Mindstorms Education NXT base set inventory available on Peeron
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Some people may be interested to compare with the shop edition. Yesterday I posted an inventory for the NXT Education base set, and it is now available: (URL) first inventory, so I hope I have not made any mistakes. :-) Many thanks to Philo, for his (...) (19 years ago, 25-Jul-06, to lugnet.robotics.nxt, lugnet.robotics)
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| | Re: Can Dacta 9751 be used with WindowsXP or Windows 2000?
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(...) (URL) I've been working on a .NET class> for it. I have the serial port communication finished and am working on threading the sensor polling. In C# you'll be able use my DLL something like this: using Mindstorms.ControlLab; //... ControlLab (...) (19 years ago, 25-Jul-06, to lugnet.technic, lugnet.robotics, FTX)
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| | External Power for an RCX 1.5
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I am attempting to hook an external power supply up to my RCX 1.5 so I can leave my bot running all the time. I have simply tried to hook up a 9V 800mA wall wart to the terminals, but it does not seem to work. Has anyone already tried this or (...) (19 years ago, 24-Jul-06, to lugnet.robotics)
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| | Fwd: Blogger post failed
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Can someone find out who is doing this and unsubcribe them? I get this every time I validate a lugnet message in robotics. I presume they have subscribed a blogging mail-in or something similar to the group. Danny ---...--- Forwarded message (...) (19 years ago, 24-Jul-06, to lugnet.admin.general, lugnet.robotics)
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