 | | Re: I^2C bus with LEGO Mindstorms
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Hi Jan, I tested it and it's veeeeery slooo...oooww. Elektuur writes that the interface could be an extention of the RCX for more sensors you may use for your roboter. The software is written for NQC and uses some sensor functions to realize the i2c (...) (23 years ago, 15-Jun-02, to lugnet.robotics.rcx)
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| | Re: LEGO cuts the price of the RCX Brick
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"Todd Lehman" <todd@lugnet.com> schreef in bericht news:GxptxE.CA5@lugnet.com... (...) overcompensate -- (...) If the LEGO US 110v adapter is similair to the Europe 220v adapter in terms of output : it outputs around 9.2-11.4v AC (note the AC, DC (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx)
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| | I^2C bus with LEGO Mindstorms
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The dutch electronics magazine Elektuur posted an article 2 months ago about making an I^2C interface for the RCX. You can download PCB layout and software at (URL) partslist is at (URL) gonna try to lend a copy from the library and scan it... this (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx)
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| | Re: Navigation using landmarks (Was: Re: lasers and RCX)
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(...) I looked into several patterns. What would be ideal would be something which you could drive across along any straightline path and get back your direction and position from the pattern of dark and light. It seems rather unlikely that such a (...) (23 years ago, 14-Jun-02, to lugnet.robotics)
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| | Re: LEGO cuts the price of the RCX Brick
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(...) Um, are you asking about the power adapter that you might take off the 9V train regulator, for example? My expectation is that this item being discounted is the brick only, and the brick takes in power at its input plug but does not come with (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx)
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| | Re: LEGO cuts the price of the RCX Brick
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(...) Hallelujah! (...) A couple questions for someone with a multimeter: Does the 1.0 power adapter output a clean 9v DC? Or does it overcompensate -- at, say, 9.3v -- like other cheap wall adapters? Does the voltage drop by more than 1% while (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx)
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| | Can the handyboard IR communicate with the RCX?
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Hi, can the handyboard IR communicate with the RCX? Or have somebody a schematic for a RCX compatible IR transeiver?? Thanks for help Bert Weber (23 years ago, 14-Jun-02, to lugnet.robotics)
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| | Re: LEGO cuts the price of the RCX Brick
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(...) The RCX Bricks on sale are the 1.0 version. I think that they are just geting rid of them to make space in their warehouses for other lego sets. The only diffference is 1.0 have a plug so you can use an adapter and use your outlets instead of (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx)
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| | Re: Cheap RCX bricks at S@H
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The RIS 1.5 for $99.00 sold out on Tuesday this week. I actually saw a "Sold Out" image of them on the Web Specials section...now they aren't even listed. Jona ----- Original Message ----- From: "Wayne Watson" <mtnviews@earthlink.net> To: (...) (23 years ago, 14-Jun-02, to lugnet.robotics)
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| | Re: Navigation using landmarks (Was: Re: lasers and RCX)
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Hi, Steve I thought about most of your solutions (sphere, bycicle and 3 mirrors). Unfortunatelly I came to the same conclusions. The funny part is that my alternative nav system was very similar to yours. But it was based on a line, not a ? shape. (...) (23 years ago, 14-Jun-02, to lugnet.robotics)
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| | Re: Cheap RCX bricks at S@H
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I found the RCX under web specials, but didn't see the RIS 1.5 (...) ... snip (...) -- Wayne T. Watson (121.015 Deg. W, 39.262 Deg. N, 2,701 feet), Nevada City, CA Web Page: <home.earthlink.net/~mtnviews> Imaginarium Museum: (...) (23 years ago, 14-Jun-02, to lugnet.robotics)
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| | Re: RCX Code Documentation and FLL Coaches Training
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Hi Dean, (...) With your code on screen, press <print screen> key - this will put screen contents in clipboard. Press <Alt><Esc> to iconize Lego Software Start Paint (or a better image software) and paste clipboard in a new document. Now the real (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx.robolab)
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| | RCX Code Documentation and FLL Coaches Training
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First off I want to thank everyone for their help and guidance on my FLL Coaches Training class. The Mechanics class documentation is mostly done now. I'm having a few of my engineer friends review it for techical errors. A teacher review follows (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx.robolab)
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| | Re: LEGO cuts the price of the RCX Brick
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"Tonya Witherspoon" <tonya.witherspoon@wichita.edu> schreef in bericht news:GxoCuM.8DB@lugnet.com... (...) $59.99. (...) (URL) (...) out (...) It's only for north-America... in Europe prices are still the same :( -- Jan-Albert "Anvil" van Ree | (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx)
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| | Re: Scheduler patch
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Well, actually not :) If users don't want proportional timeslicing the patch is completly useless, but if they do, it might be usefull. /Joel (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx.legos)
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| | Re: Scheduler patch
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(...) Do you have some examples where your patch could be useful? Eric (23 years ago, 14-Jun-02, to lugnet.robotics.rcx.legos)
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| | Re: Scheduler patch
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Joe I'm happy you found my patch quite interesting! I, just as you, think the kernel could be simplified quite alot. Actually my goal was initially to reduce size and overhead but I when I decided to add proportional timeslicing the goal changed. (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx.legos)
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| | Re: Scheduler patch
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Joel, I have found your work to be quite interesting! I made quite a few modifications in the kernel starting with ver 0.2.5 and had hoped to have some of the modifications included in ver 0.2.7 My goal was to reduce size and overhead which is quite (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx.legos)
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| | LEGO cuts the price of the RCX Brick
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On the Lego website the price for an RCX has been cut from $119.00 to $59.99. (URL) the great price - what's up with the RCX? Is LEGO about to roll out a new RCX? Has anyone heard anything? Tonya Witherspoon (23 years ago, 14-Jun-02, to lugnet.robotics.rcx)
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| | RE: Transmit Frequency
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Hi Jürgen :) (...) No, it's a part that you can rotate with a screwdriver. I'm used to see these on radios or walkie-talkies ou even on tv-tuners Maybe I'm wrong, and that part has nothing to do with the RF of the unit. I dunno if this changes the (...) (23 years ago, 13-Jun-02, to lugnet.robotics.cybermaster)
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