 | | rcx + power functions ?
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hello, The new Lego Power Functions system use infrared remote control. Has anyone tried to use a RCX to control it? It would be very nice to use the RCX to comunicate with several power functions IR receivers! I have read that the Power Functions (...) (17 years ago, 13-Jan-08, to lugnet.robotics)
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| | Re: CAN you believe it... The next Robotics game.
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(...) This is where it gets "complicated" We actually talked about allowing custom sensors, and we more or less all agreed, Until I asked for a "ruling" on what is defined as a sensor. Would a very powerful "rare earth" magnet, glued to a beam (...) (17 years ago, 13-Jan-08, to lugnet.org.ca.rtltoronto, lugnet.robotics, lugnet.org.ca.obb)
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| | Re: CAN you believe it... The next Robotics game.
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Jeff, Thank you for organizing this game. I look forward to the web page updates, and a more finalizing of the rules as discussed at dinner. I like that we all seemed to agree on using Dave's wall's as the boundary; and I like that we all have to (...) (17 years ago, 13-Jan-08, to lugnet.org.ca.rtltoronto, lugnet.robotics, lugnet.org.ca.obb)
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| | Self-brew flexible bricks and silent motor for Lego NXT
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In the context of my study Industrial Design at the TU/e I have developed a 'natural animation' expansion pack for Lego® Mindstorms® NXT. My goal was to create an actuator and brick that stimulate natural animation and are useful for the creation of (...) (17 years ago, 12-Jan-08, to lugnet.robotics.nxt)
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| | Re: CAN you believe it... The next Robotics game.
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(...) (URL) the rules don't allow custom sensors? Too bad! Philo (17 years ago, 12-Jan-08, to lugnet.org.ca.rtltoronto, lugnet.robotics, lugnet.org.ca.obb)
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| | Enhanced standard NXT firmware updates
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I have uploaded a pre-release of a new enhanced NBC/NXC firmware (1.06a) which you may want to try out. It has a new arrop opcode which supports a number of useful array operations. OPARR_SUM, OPARR_MEAN, OPARR_SUMSQR, OPARR_STD, OPARR_MIN, (...) (17 years ago, 11-Jan-08, to lugnet.robotics.nxt)
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| | Re: CAN you believe it... The next Robotics game.
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In lugnet.org.ca.rtltoronto, Jeff Van Winden wrote: <snip> (...) and... OMG!!!! I can build big 'bots again!!!! Yippee!!!!!!! (cause we're not putting much of a size/weight restriction out there, are we? :) if we are, I vote for 18 inches x 18 (...) (17 years ago, 11-Jan-08, to lugnet.org.ca.rtltoronto, lugnet.robotics, lugnet.org.ca.obb)
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| | Re: CAN you believe it... The next Robotics game.
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In lugnet.org.ca.rtltoronto, Jeff Van Winden wrote: <snip> (...) I still ahve the playfield walls that can be easily set up anywhere on top of a smooth floor. that'd give us an 8x8 arena with white walls--if the cans are darker, a light sensor may (...) (17 years ago, 11-Jan-08, to lugnet.org.ca.rtltoronto, lugnet.robotics, lugnet.org.ca.obb)
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| | Re: CAN you believe it... The next Robotics game.
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(...) The Focus is finding the Heavist can, I think part of the challenge will be finding the cans in general... I imagined a 3 meter by 3 meter (just for you Iian) Practically 10' x 10' for you imperial lovers out there. With maybe 20 - 30 Cans. (...) (17 years ago, 11-Jan-08, to lugnet.org.ca.rtltoronto, lugnet.robotics, lugnet.org.ca.obb)
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| | Re: CAN you believe it... The next Robotics game.
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Nice one Jeff- Question on the "can density", which will of course depend on the playfield size and the # cans on the field.. If the focus on finding cans, or finding the largest cans? If the later, I might suggest wrapping the bottom of each can (...) (17 years ago, 11-Jan-08, to lugnet.org.ca.rtltoronto, lugnet.robotics, lugnet.org.ca.obb)
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| | Re: CAN you believe it... The next Robotics game.
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(...) Forgot one thing... Time Frame for the Game: How does late March, Early April sound for everyone?? Jeff VW (17 years ago, 11-Jan-08, to lugnet.org.ca.rtltoronto, lugnet.robotics, lugnet.org.ca.obb)
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| | CAN you believe it... The next Robotics game.
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Ok, so I meant to do this months ago, and I have just been swamped.. So with out further ado, here are my thoughts on our next game: ***...***The Can Game***...*** Premise of the Game: Build a robot that can find the heaviest can in the play field. (...) (17 years ago, 11-Jan-08, to lugnet.org.ca.rtltoronto, lugnet.robotics, lugnet.org.ca.obb)
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| | Re: Cleaning Battery Terminals
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In lugnet.robotics, Mark Riley wrote: <snip> (...) Ooooh... wireless remotes! Nice! Throw it at me and I'll test it when ready :) Dave K (17 years ago, 10-Jan-08, to lugnet.robotics, lugnet.trains)
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| | Re: Cleaning Battery Terminals
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(...) I just finished a second RCX and while the terminals aren't as shiny as the previous RCX, the RCX fired right up after I reassembled it. The crud on this latest RCX's terminals was bluish green so I suspect the outer silver layer got eaten (...) (17 years ago, 9-Jan-08, to lugnet.robotics, lugnet.trains)
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| | Re: Cleaning Battery Terminals
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In lugnet.robotics, Mark Riley wrote: <snip> (...) That's good news! I'm going to try this soon on some of my 4.5/9 volt battery boxes. As far as I can see, the vinegar won't harm the plastic yet should do a good number on the corroded contacts. (...) (17 years ago, 9-Jan-08, to lugnet.robotics)
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| | Cleaning Battery Terminals
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I haven't posted here in a while, my RCXs having been on a hiatus. Well, after breaking them out again, I discovered that I had foolishly left alkaline batteries in some of them and of course some of the batteries had started to leak. This caused (...) (17 years ago, 9-Jan-08, to lugnet.robotics)
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| | Java for NXT
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The 0.5 beta release for Windows and for Linux is now on the sourceforge web site. (URL) changes and new features include: - Garbage collector - Execute code from flash - Automatic defrag of file system - Greatly improved Bluetooth support including (...) (17 years ago, 9-Jan-08, to lugnet.robotics.nxt)
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| | Re: 8479 Code Pilot Barcode Analysis and Code Sheet
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(...) Alex Christensen posted a PDF file with these same bar codes back in February of 2007: (URL) based his work on Doug Eaton's extremely helpful VLL page: (URL) Hansen (17 years ago, 7-Jan-08, to lugnet.robotics.codepilot, lugnet.technic)
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| | Re: Hi-speed port communication
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I posted a zip to the NXC samples page containing a pair of programs that show how to send a message from one NXT to another over a wire connected between port 4 on both NXTs. (URL) Hansen (17 years ago, 7-Jan-08, to lugnet.robotics.nxt)
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| | Re: Hi-speed port communication
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(...) Hi all, the physical connection of NXTs via RS485 is just the first half of the solution... Remeber, at 2-wire RS485 you can have one master only and up to 31 slaves. To address each slave, you need to implement a special protocol which (...) (17 years ago, 5-Jan-08, to lugnet.robotics.nxt)
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