 | | Re: flame sensor
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(...) One of my 4710 student teams used this on a fire fighting robot, here is their project site: (URL) you will see there is some information there about flame spectra. Bruce ------- WWW.SYSTRONIX.COM ---...--- Real embedded Java and much more (...) (23 years ago, 31-Dec-02, to lugnet.robotics)
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| | Re: half price ultimate accessory set
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On Tue, 31 Dec 2002, Ian Smith <ian@achrn.demon.co.uk> wrote some stuff which, due to a configuration change on my server, didn't escape to teh wide world. Therefore, I'm re-posting it. Apologies if it does escape in future and there end up being (...) (23 years ago, 31-Dec-02, to lugnet.robotics)
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| | Re: Air transportation of RCXs etc
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(...) > idea... but it may be a good way to get your 10 seconds of fame on the news. I doubt that would be a problem. (...) > have it held at a FedEx for pickup. Go there and pick it up and take the stuff to BW. One good suggestion from our travel (...) (23 years ago, 31-Dec-02, to lugnet.robotics)
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| | A New Year brings a new (simpler) way to load Vison Command on XP!
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Hello everyone, For the past month I've been working to streamline the VC installs for XP and 2000. I'd like to thank all of those that took the time to let me know their experiences (good or bad) with attempting to perform the installations. The (...) (23 years ago, 31-Dec-02, to lugnet.robotics)
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| | Re: Air transportation of RCXs etc
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(...) Perhaps not those words, but assuming it goes with you on the plane, you need to tell the guards. If you check the suitcase, then the ticket counter person that takes the bag needs to be told. This guy wanted to take a camera that looked like (...) (23 years ago, 31-Dec-02, to lugnet.robotics)
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| | Re: Air transportation of RCXs etc
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"Andy Gombos" <lego-robotics@crynwr.com> wrote in message news:000701c2b0ee$77...41@ANDY... (...) If I can make it, I will have my laptop. I won't be bringing a usb tower and my laptop has no serial ports. -Rob (23 years ago, 31-Dec-02, to lugnet.robotics)
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| | RE: Air transportation of RCXs etc
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I don't think saying "I have something that may appear to be a bomb" is a wise idea... but it may be a good way to get your 10 seconds of fame on the news. Perhaps FedEx is a better approach... you can ship the item to yourself and have it held at a (...) (23 years ago, 31-Dec-02, to lugnet.robotics)
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| | Re: Air transportation of RCXs etc
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I think as long as nothing is on, it will be fine. You may have a problem with corrupted firmware though - will there be a computer there to upload new firmware/programs if needed? The radiation may flip some bits and change everything. I'm not sure (...) (23 years ago, 31-Dec-02, to lugnet.robotics)
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| | Air transportation of RCXs etc
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Does anyone know if the new checked-baggage xray equipment is likely to damage the kinds of microprocessors in RCXs etc. There have been specific statments that the new equipment *will* damage film. With BricksWest coming up, I want to know if it's (...) (23 years ago, 31-Dec-02, to lugnet.robotics)
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| | Re: CamCom ActiveX.exe
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hi Manfred, this looks great, finally a "real" freeware version (I never succeeded in getting the other (Belgium) freeware). Just started the program and try to run it with a very old Dynalink camera under winXP, it worked right away. I don't have a (...) (23 years ago, 31-Dec-02, to lugnet.robotics.vc)
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| | CamCom ActiveX.exe
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CamCom is an ActiveX.exe and makes in a VB-project classes available, which make the detection of color and movement possible. For this purpose detection areas must be defined. This can take place at run-time by program control or over the (...) (23 years ago, 31-Dec-02, to lugnet.robotics.vc)
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| | Re: Jamocklaquat - The waters are still - a brief pause and analysis -
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(...) The AI will come from the programming ultimatly. (...) The Super Mech-Bot has a Dual Vision Command set up. (URL)If you wanted it more advanced, you (...) The Super Mech-Bot has touch sensors in the hands. (URL) nice about Vision Command is (...) (23 years ago, 30-Dec-02, to lugnet.build.mecha, lugnet.technic, lugnet.robotics)
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| | Re: Float and int
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(...) For most brick projects I can think of, it is. If you want to travel your robot around, you will have to deal with sin, cos, tan and square root. First thing you can do is working with tables to avoid "on the fly" sin calculation. Second, you (...) (23 years ago, 30-Dec-02, to lugnet.robotics.rcx.legos)
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| | RE: Float and int
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(...) I'm doing a seminar at BricksWest on fixed point notation and simple algorithms for square root, trig, etc for BrickOS and pbForth users. The focus will be on the mechanics of the algorithms, the actual code implementation will be a "exercise (...) (23 years ago, 30-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: Float and int
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(...) Mabie Fixed Point is an answer. I dont know how it works but I have a book that suggests that a decent Fixed Point library can be faster than Floating Point if there isnt an FPU available. (23 years ago, 30-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: Float and int
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(...) You should look in the gnu gcc compiler documentation for this. Float support is not OS but compiler specific. As I recall, gcc uses IEEE float format, the specification should be found somewhere in the net. But doing float with the brick is (...) (23 years ago, 30-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: Jamocklaquat - The waters are still - a brief pause and analysis -
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(...) It'd be nice if it had some AI. Perhaps a camera in the head, hooked up to a computer, sending messages to the RCXs? If you wanted it more advanced, you could have multiple cameras, plus microphones, a speaker, and maybe more sensors (...) (23 years ago, 30-Dec-02, to lugnet.build.mecha, lugnet.technic, lugnet.robotics)
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| | Re: Float and int
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(...) int is 16 bits, big endian, signed. It goes from -32768 to 32767. unsigned int goes from 0 to 65535. char is 8, long is 32, long long is 64, with the standard limits. Floats and doubles are emulated in software, as the H8/300 processor has no (...) (23 years ago, 30-Dec-02, to lugnet.robotics.rcx.legos)
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| | Float and int
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Does anyone know what the maximum and minimum size of integer which can be stored is? Likewise, what is the floating point accuracy of BrickOS for variables of type "float" and "double" (is there such thing in BrickOS?) ? Both of these questions (...) (23 years ago, 29-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: Jamocklaquat - The waters are still - a brief pause and analysis -
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Thanks TJ and Thanks for Spotlighting the Technic Beast in the Cool MOCs section too, that really made me happy. I have just figured out a few deatils of its construction. We may see it completed sooner than I thought. I would love to bring it to (...) (23 years ago, 29-Dec-02, to lugnet.build.mecha, lugnet.technic, lugnet.robotics)
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