 | | Re: Activating an EV3 forum?
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(...) Hey Tai, Download the commercial EV3 software from www.lego.com/mindstorms link provided by bennetc5 who owns an EV3 set. I'm reviewing the language manual and acquainting myself with the User Interface. As they say, once you know how to (...) (11 years ago, 11-Sep-13, to lugnet.robotics)
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| | Re: Activating an EV3 forum?
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Glad the EV3 software download is free. It would definitely support the students working on their programs outside of the lab. Of course, in many of the Title I schools, many have no access to home computers. It's going to be interesting how younger (...) (11 years ago, 11-Sep-13, to lugnet.robotics)
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| | Re: Activating an EV3 forum?
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(...) Love it! My young students haven't melted anything yet, but they've sure twisted a lot of axles in battle. Is the software only downloadable with a purchase key? It would be interesting to have my students download the software onto their home (...) (11 years ago, 10-Sep-13, to lugnet.robotics)
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| | Re: Activating an EV3 forum?
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Also I got an interesting reply from lego. I asked them why all of their motors were slow. I MOC'ed a 8090 Supercar together with a 30,000 rpm 7.2 Hobby RC motor. Great in theory… reality not so much. I got it to move quickly and I spun a tire off (...) (11 years ago, 9-Sep-13, to lugnet.robotics)
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| | Activating an EV3 forum?
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Saturday Academy, the non-profit I taught summer camps for, provided my class with pre-ordered NXTs the week they became available. That was before the recession. They are in no position to replace their 60+ NXTs with the same amount of EV3 in the (...) (11 years ago, 9-Sep-13, to lugnet.robotics)
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| | BrickFair VA 2013 MINDSTORMS Contests
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BrickFair VA will be holding four separate contests for LEGO MINDSTORMS enthusiasts this year. The long-running favorites Stock Sumo and Unlimited Sumo will be held again as usual, and there are two new contests as well, Capture the Flag and Journey (...) (11 years ago, 17-Jun-13, to lugnet.events.brickfair, lugnet.robotics)
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| | Brickworld 2013
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Good afternoon everyone, If you have not heard, Brickworld 2013 will be held at a new home - The Renaissance Hotel & Convention Center in Shaumburg, IL. This move is in response to the attendees desire to hold the event in a single room. We will be (...) (11 years ago, 15-Feb-13, to lugnet.events.brickworld, lugnet.fun.community, lugnet.announce, lugnet.general, lugnet.events, lugnet.robotics, lugnet.trains, lugnet.castle, lugnet.pirates, lugnet.space, lugnet.people, FTX)
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| | Re: LEGO announces latest MINDSTORMS verion: EV3
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(...) snip (...) Already mention the Mindstorms EV3 Press Release information in Mediawatch, General, Lego and Robotics newsgroup. -Abner (11 years ago, 8-Jan-13, to lugnet.robotics)
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| | Re: LEGO announces latest MINDSTORMS verion: EV3
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(...) snip (...) Already mention the Mindstorms EV3 Press Release information in Mediawatcth, General, Lego and Robotics newsgroup. -Abner (11 years ago, 8-Jan-13, to lugnet.robotics)
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| | LEGO announces latest MINDSTORMS verion: EV3
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In case no one has noticed, earlier today LEGO announced their newest MINDSTORMS version at CES. This version is called the EV3, and will be released later this year. I'll let you do your own web searches for official announcements, pictures, and (...) (11 years ago, 8-Jan-13, to lugnet.robotics, lugnet.announce)
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| | Re: Kalman Filter on the NXT
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(...) That's what the Kalman filter is about. One of its important application areas is navigation (from rockets to ships and robots). In our example, we try to develop the implementation for a robot driving in one only dimension, the x-axis. And (...) (11 years ago, 29-Dec-12, to lugnet.robotics)
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| | RE: Kalman Filter on the NXT
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I have a memory from attempting to use the Kalman filter, starting with a model, and working through the math, that it made some assumptions, which importantly included an originally good sensor signal subsequently clouded by noise. Kalman can (...) (11 years ago, 28-Dec-12, to lugnet.robotics)
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| | Re: Kalman Filter on the NXT
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(...) All over my head. But, if and when I actually get my GPS robot working, I'm going to look this up again. Dave K (11 years ago, 28-Dec-12, to lugnet.robotics)
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| | Re: Flying LEGO
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(...) That's really cool! Another aspect of this hobby that people can delve into. Dave K (11 years ago, 28-Dec-12, to lugnet.robotics)
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| | Kalman Filter on the NXT
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The Kalman Filter may be perceived as a discouraging, almost occult calculation method. Many do apply the filter just by following some "cooking recipes", and they don't care much about the internals. However, if the filter is well studied and (...) (11 years ago, 28-Dec-12, to lugnet.robotics)
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| | Flying LEGO
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A LEGO Arducoptor: (URL) (11 years ago, 27-Dec-12, to lugnet.mediawatch, lugnet.robotics, lugnet.general)
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| | Danish LEGO Group supports World Robot Olympiad
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Danish LEGO Group supports World Robot Olympiad From November 9-11, 2012, World Robot Olympaid 2012 is held in Kuala Lumpur, Malaysia. For several years in a row, Danish LEGO Education has been a main sponsor of World Robot Olympaid (WRO). This (...) (12 years ago, 9-Nov-12, to lugnet.mediawatch, lugnet.general, lugnet.robotics, FTX)
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| | Re: "Casemate explorer" project resumed
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(URL) (12 years ago, 27-Oct-12, to lugnet.robotics, FTX)
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| | "Casemate explorer" project resumed
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Last academic year we started an ambitious project with the LEGO compatible (URL) Tetrix> robotic kit: (URL) Casemate> Explorer As the City of Luxembourg is undermined by casemates, which are vaulted chambers of the old fortress, our robot should be (...) (12 years ago, 27-Oct-12, to lugnet.robotics, FTX)
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| | Re: Raspberry Pi and Berry Box – The Transparent Case
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(...) I just received my Raspberry Pi (lastest revision which is Rev 2 with 512 MB of RAM) and will be building a Lego case for it. There are several Lego case designs out there for public consumption: Lego case which can be ordered (instructions (...) (12 years ago, 18-Oct-12, to lugnet.robotics, FTX)
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| | Re: Multiple Motors/Synchronizing Movement
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(...) I recently had a MOC where I wanted to do something similar (only 2 axes though). After spending a little while on it, I gave up, and just moved both axes at the same speed until both reached their target. Means they usually arrive at (...) (12 years ago, 9-Oct-12, to lugnet.robotics.nxt)
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| | Re: Multiple Motors/Synchronizing Movement
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(...) That sounds like a sensible solution. Play well, Jacob (12 years ago, 24-Sep-12, to lugnet.robotics.nxt)
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| | Multiple Motors/Synchronizing Movement
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Hi all, I'm only just now making the transition from RCX to NXT. The power of the new servos is really something. For years I've "hard-coded" my own servo code to couple a rotation sensor to a gearmotor to do setpoint-based positioning for (...) (12 years ago, 22-Sep-12, to lugnet.robotics.nxt)
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| | Re: Eureka! Problem Solving with LEGO Robotics
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(...) (URL) ntspress.com> (12 years ago, 8-Sep-12, to lugnet.robotics, FTX)
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| | Eureka! Problem Solving with LEGO Robotics
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I'm happy to announce my book : Eureka! Problem Solving withe LEGO Robotics <link (URL) The book is intended for interested readers who wish to tackle demanding challenges from science and technology, and who want to be challenged by LEGO robotics (...) (12 years ago, 8-Sep-12, to lugnet.robotics, FTX)
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| | Re: WeDo Robotics Resource Set inventory
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(...) Found it through LEGO Education (go to set, select quantity, click on "resources in the box on the right and select "element survey") https://c10645061.ss...ements.pdf Jetro (12 years ago, 3-Aug-12, to lugnet.robotics.edu)
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| | Re: Faster Firmware/Motor Control
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(...) D'oh... I'm posting this because I'm sure I'm not the only one who missed this: I didn't realize there's a drop-down when BricxCC starts up, to select "Swan" instead of "RCX" when making the first handshake with the brick. After doing that, it (...) (12 years ago, 19-Jul-12, to lugnet.robotics.rcx)
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| | Re: Faster Firmware/Motor Control
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(...) (snip) (...) BrixCC doesn't recognize "wait1Msec", and when I try to download a program with it, it just gives me an error. That's kind of what I was getting at with the motor power stuff; I can tell the RCX can handle more motor powers, but (...) (12 years ago, 18-Jul-12, to lugnet.robotics.rcx)
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| | Re: Faster Firmware/Motor Control
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(...) Thanks for the link! (...) The documentation on this page (URL) mentions the following: "new wait1Msec opcode to perform program waits using one millisecond resolution" Maybe that is what you are looking for. (12 years ago, 18-Jul-12, to lugnet.robotics.rcx)
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| | Re: Faster Firmware/Motor Control
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(...) Hi Dave, Thanks - I tried to send you a note, but your email bounced... I found this site: (URL) downloading the 100x firmware, I can tell that it is a different firmware (different clock, tone on button press is different, etc.) - however, it (...) (12 years ago, 18-Jul-12, to lugnet.robotics.rcx)
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| | Re: Faster Firmware/Motor Control
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(...) I have it and use it exclusively. i'll mail you a copy when i get your e-mail sddess Take care, Dave K (...) (12 years ago, 17-Jul-12, to lugnet.robotics.rcx)
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| | Faster Firmware/Motor Control
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Hi all, One of the common ways I like to control the speed of a gearmotor (in NQC) is by introducing a loop, for example, like this: while(true) { OnFwd(motor); Wait(a); Off(motor); Wait(b); } I often do this as a motor approaches a setpoint (say an (...) (12 years ago, 17-Jul-12, to lugnet.robotics.rcx)
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| | Re: BrickOS Patches and Development
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(...) Excellent, Matthew. Many thanks for keeping the project alive and moving forward. I've uploaded a little patch with the edge counting (which I needed once upon a time when I tried to build a plotter without any rotation sensors) re-implemented (...) (12 years ago, 17-May-12, to lugnet.robotics.rcx.legos)
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| | Re: Question about NXT rechargeable battery
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It never hurts to ask LEGO customer support... (12 years ago, 17-May-12, to lugnet.robotics)
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| | Re: Question about NXT rechargeable battery
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(...) Hi Frances, Unfortunately, it may not be recoverable. Rechargeables can lose their ability to hold a charge if left unused for long periods. Having said that, I generally leave my NXT rechargeables attached, sometimes for long periods, and (...) (12 years ago, 16-May-12, to lugnet.robotics)
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| | MinuteBot Base
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There is a great project for creating a technic/MINDSTORMS baseplate on Kickstarter that could be a great classroom or hobbydesk testbase as well as provide a sturdy base (or side) for many Robotics projects. Have a look at the (URL) Base website> (...) (12 years ago, 14-May-12, to lugnet.robotics, FTX)
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| | Question about NXT rechargeable battery
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I bought a rechargeable battery for my NXT and was very happy with it. However, I have ended up not using the NXT for some months and the rechargeable battery was left in the NXT. This weekend, I went to recharge the battery, it has been on the (...) (12 years ago, 14-May-12, to lugnet.robotics)
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| | Re: Raspberry Pi and Berry Box – The Transparent Case
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(...) Initially (at least) the Pi comes without a case, so I expect it is just a matter of building around it so it doesn't rattle too much. I haven't received mine yet, but I'll take a moment to see how well a pure LEGO case can work. It feels a (...) (12 years ago, 13-Apr-12, to lugnet.robotics, FTX)
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| | Raspberry Pi and Berry Box – The Transparent Case
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Hi all. I don't know how many people around here have heard of the Raspberry Pi, but I saw that someone is working on a Lego compatible case for it. The Raspberry Pi is a computer on a chip that is really cheap. This would seem to be an inexpensive (...) (12 years ago, 12-Apr-12, to lugnet.robotics)
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| | WeDo Robotics Resource Set inventory
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Can anyone help me get a copy of the inventory for the WeDo Robotics Resource Set 9585? Many thanks in advance. Jetro (12 years ago, 27-Mar-12, to lugnet.robotics.edu)
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