 | | Re: Building Robots with Lego Mindstorms
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(...) Hi John, you can buy it directly from Syngress. Just follow this link: (URL) book is available at $19.95 plus shipping, and you'll also be able to download an electronic version of the book itself. Ciao Giulio (24 years ago, 3-Dec-01, to lugnet.robotics)
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| | Re: accu pack with rcx
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(...) Yes, add up the voltage of fresh alkalines in the RCX and it is almost 9.6V anyway. (...) You'd want some diode isolation, anode from each pack, cathodes together and tied to the power input of the RCX so that the packs won't try to drive each (...) (24 years ago, 3-Dec-01, to lugnet.robotics)
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| | Re: legOS on Mac OS X
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(...) I was able to get NQC working with the USB tower under Mac OS X pretty easily. IMHO, support for an application to directly access USB devices is pretty good. If anyone is trying this, feel free to grab the OSX/USB code I wrote for NQC (...) (24 years ago, 3-Dec-01, to lugnet.robotics.rcx.legos)
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| | Re: Building Robots with Lego Mindstorms
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(...) John - Syngress.com will take your $24.95 USD and ship it out to you right away. Pretter price than Amazon, and I haven't put mine down yet (we'll, maybe just to type this)! Ed (24 years ago, 3-Dec-01, to lugnet.robotics)
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| | Building Robots with Lego Mindstorms
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Hello Everyone: Does any one know if this book "Building robots with Lego Mindstorms" By Mario Ferrari and Giulio Ferrari is out yet? If so, where can I get it? Amazon.com states 12/15. Thanks JohnC (24 years ago, 3-Dec-01, to lugnet.robotics)
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| | Polarity switches
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I recall someone was looking for polarity switches a few months back. I just noticed ebay item #1672552745, just in case you're still looking. JB (24 years ago, 3-Dec-01, to lugnet.robotics)
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| | Re: legOS on Mac OS X
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(...) You mean USB on Mac OS X, or the USB tower specifically on any platform? You are really screwed if you need a serial driver on OS X. Since no serial hardware exists on post-98 Apple machines, OS X omits the legacy serial driver APIs. USB is (...) (24 years ago, 3-Dec-01, to lugnet.robotics.rcx.legos)
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| | Re: legOS on Mac OS X
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(...) Looks like you're probably the first to try this, so good luck! But if the Darwin version of cc can be built to support the h8, you're still gonna have to (most likely) make changes to firmdl & dll programs to get them working with the Mac. Do (...) (24 years ago, 2-Dec-01, to lugnet.robotics.rcx.legos)
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| | Re: 74hc237
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The 237 isn't an obsolete part. Radio Shack isn't the store it used to be. You need to purchase your parts from a better source. Mouse has the part, 74HC237 Mouser stock # 511-M74HC237 , they are only $0.52, www.mouser.com (...) (24 years ago, 2-Dec-01, to lugnet.robotics.handyboard)
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| | Re: legOS on Mac OS X
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I haven't tried this, but, you should probably get the gcc source from the Apple CVS server? (URL) heard that they were folding their Darwin modifications back into the real gcc source, that's why gnu.org isn't shipping it yet. For now the Apple CVS (...) (24 years ago, 2-Dec-01, to lugnet.robotics.rcx.legos)
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| | Re: legOS on Mac OS X
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ROSCO, I realise that would indeed be helpful! Didn't want a long and boring first post however... I've basically having a problem bulding gcc as a cross compiler. I started with the legOS HOWTO pages at (URL) . There it suggests using (...) (24 years ago, 2-Dec-01, to lugnet.robotics.rcx.legos)
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| | Re: Problems with BricxCC release 3.3.2.12
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(...) I'd be happy to leave the MDI world behind and switch to a tabbed page control for handling multiple files. But I would need to get a feel from the user community to see whether that would be a problem. There are some known problems with (...) (24 years ago, 2-Dec-01, to lugnet.robotics.rcx.nqc)
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| | Re: Problems with BricxCC release 3.3.2.12
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(...) I've discovered a really stupid bug in my code that was causing the access violations in version 3.3.2.12. This bug has been there since I introduced the registry upgrade feature (3.3.2.2) as far as I can determine. It has been fixed but I (...) (24 years ago, 2-Dec-01, to lugnet.robotics.rcx.nqc)
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| | Re: COLOR light sensor
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I’ve send an e-mail to Michael Gasperi. This is his answer: (...) So he can’t give the schematics because he has sold the copy rights to the magazine. the only way to get them is to buy this magazine. (24 years ago, 2-Dec-01, to lugnet.robotics.rcx)
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| | Re: accu pack with rcx
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(...) Would LEGO let you do that? Probably not. I've had no trouble running the RCX off a 12v DC supply from a transformer, with the batteries in. The RCX has great power supply circuitry. - Jacob (24 years ago, 2-Dec-01, to lugnet.robotics)
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| | Re: Problems with BricxCC release 3.3.2.12
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(...) Will, it doesn't crash on my system, too. But I have to complain about the way maxed windows are handled. Try the following: - open new window - max it (now you can re-min it, too) - you see the little waving guy in the menu - open a new 2nd (...) (24 years ago, 2-Dec-01, to lugnet.robotics.rcx.nqc)
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| | Re: Problems with BricxCC release 3.3.2.12
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(...) Thanks for testing BricxCC, John. I appreciate it greatly. I'm glad it is working for at least some users. :-) John Hansen (24 years ago, 2-Dec-01, to lugnet.robotics.rcx.nqc)
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| | Re: 74hc237
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(...) Alessandro, As far as I know there are now equivelant replacements for the 74hc237. The 74hc138 does the same thing but outputs an inverted signal. If you are any good at electronics you can fudge a 74hc04 into the prototyping area to (...) (24 years ago, 2-Dec-01, to lugnet.robotics.handyboard)
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| | Lego Scanning Probe Microscope Instructions
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But that's not all! Lego Charge-Coupled Device, Spectrophotometer, Poisson's Lattice and Magnetoresistive Structure!!! Okay so there are a few non-lego pieces involved, sue them... :o) I was searching for lego references in my area and stumbled on (...) (24 years ago, 1-Dec-01, to lugnet.robotics)
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| | Re: accu pack with rcx
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I just moved from 6 1.2 volt rechargables to a 9.6 volt metal hydride pack that I bought at radio shack. Despite the aweful appearance I am pretty happy. I decided not to cut on the RCX box and just built a cage to hold it to the bottom of the RCX (...) (24 years ago, 1-Dec-01, to lugnet.robotics)
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