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(...) Oh - really??? ;o) (...) That's something I considered, but not tried. One problem I foresee is that the fov of the US-sensor itself is relatively wide, so I don't know if this could provide much more obstacle direction information. (...) Not (...) (18 years ago, 29-Jan-07, to lugnet.robotics)
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| | Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling)
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(...) Same comments and feelings here ;o) Brian, it would help to reproduce your outstanding design (and maybe CAD it!) if you could provide higher resolutions photographs somewhere... Philo (18 years ago, 29-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
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| | Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling)
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Brian, (...) Absolutely awesome! /Matthias (deeply impressed) ps Now I'm going to wait day and night for the LDraw file ;-) (give them an inch and they will take a mile...) (18 years ago, 29-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
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| | Philo's remote and spy rover
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I just ran across these on LEGO's NXTlog: A little Spy rover and a joystick-based remote control: (URL) - nice job Philo! I like the ball caster (OK, I'll admit bias), but I really like using a mechanical linkage to pan the US sensor to widen the (...) (18 years ago, 29-Jan-07, to lugnet.robotics)
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| | Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling)
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(...) OK, I hammered on it some more, and made a much more fun video. I updated Brickshelf with some "deconstruction" pictures that show how to build it (hey, I didn't say they made it *easy* to build it): (URL) the video on YouTube, with my son (...) (18 years ago, 29-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
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| | Help me Controling NXT with mouse!
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Hi, I'm a user of Open-source NXT Controling program 'OnBrick'. I am really astonished by the program and I appreciate. I want to ask you guys to do a little favor :-) As I wrote before, I watched a video clip from youtube (URL) made my wish come (...) (18 years ago, 28-Jan-07, to lugnet.robotics)
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| | Re: another comparison
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../snip (...) Ah, I forgot, he is trying to do this with an ARM. (18 years ago, 25-Jan-07, to lugnet.robotics)
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| | Re: another comparison
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(...) 1. Indeed. 2. I got an email some time ago from a 16 year old student Korean student, Jimin Sung,living in the US, who is making an autonomous underwater robot. I was so amazed of what he was doing. He sent me his application of the RFT (...) (18 years ago, 25-Jan-07, to lugnet.robotics)
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| | Re: another comparison
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Hi Claude, (...) thanks, I found it at (URL) . And pseudocode is fine with me, Java or C were just meant as examples for textual languages. (...) :-) Best is to avoid assignment and modifiable state whenever possible. Jürgen (18 years ago, 25-Jan-07, to lugnet.robotics)
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| | Re: another comparison
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(...) Hi Jürgen, The document, where I develop the theory of the algorithm has some text-pseudo code ( a mixture of C and PASCAL) that you easily can convert to anything. Since the document is math stuff, I largely prefer the := notation for (...) (18 years ago, 25-Jan-07, to lugnet.robotics)
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| | Re: What do these macros do?
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(...) John - if you've got someone's ear in this, could you also see if a GCC build of the firmware can be released? I know LEGO are unlikely to use GCC themselves as they can afford more specialised tools, but so far, I don't see much of a (...) (18 years ago, 24-Jan-07, to lugnet.robotics.nxt, lugnet.robotics)
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| | Re: another comparison
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Hi Claude, (...) do you have the DFT algorithm in some programming language like Java or C? I'm just guessing, but maybe it could also be useful for speech recognition? Or maybe telling the cat from the dog? (The sound sensor should be usable as a (...) (18 years ago, 24-Jan-07, to lugnet.robotics)
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| | Re: What do these macros do?
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(...) It is possible to write to the popup buffer but only by using the IOMap routine (SetDisplayPopup). The regular system calls which write to the LCD all write to the normal display memory. Unfortunately, as Dick Swan suggested, the current NXT (...) (18 years ago, 24-Jan-07, to lugnet.robotics.nxt, lugnet.robotics)
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| | Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling)
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(...) Awesome! Great videos! BTW if you want to know how to make bigger tires, try inserting old school 1" Lego tires into the crevices around the large grey "hula hoops" from the star wars kit. This will make tires at least 8" (20 cm) in diameter (...) (18 years ago, 24-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
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| | Re: Controling NXT with Bluetooth Device(such as mouse, etc)
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(...) That actually doesn't address the real problem. The NXT has a "dongle" built-in, so it can receive the Bluetooth messages. It just can't understand what it reads. The NXT requires a very specific message format, and that's not what the mouse (...) (18 years ago, 24-Jan-07, to lugnet.robotics)
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| | Re: Controling NXT with Bluetooth Device(such as mouse, etc)
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(...) The problem is the NXT is a USB-slave device: it does not provide either the power (5V) or the communications ability to run a BT dongle (this is a seperate issue from the "shape" of the USB port: that's just a bit of hardware shaping to keep (...) (18 years ago, 24-Jan-07, to lugnet.robotics)
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| | Re: Controling NXT with Bluetooth Device(such as mouse, etc)
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(...) Thank you for answering :-) How about putting a Bluetooth-Dongle to NXT? It will receive HID signal, but dongle will translate the signal into NXT-usable one. I think it will work, how do you think? (18 years ago, 24-Jan-07, to lugnet.robotics)
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| | Re: Controling NXT with Bluetooth Device(such as mouse, etc)
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We had (URL) a discussion about this earlier> when I asked about my Nintendo Wii remote. The only way this is going to work right now is as you suggested: (...) You'll have to write a program that lives on your computer that will relay the messages (...) (18 years ago, 24-Jan-07, to lugnet.robotics, FTX)
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| | Re: Unit LNE of the dinochrome brigade (Was: Rock Crawling)
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(...) I would like to hope so. Those mounting holes would seem perfect to secure rubber cleats to, especially with the ridges on the hard plastic tread underneath. That one piece woulkd change them from semi-decorative to fully robotic functional (...) (18 years ago, 24-Jan-07, to lugnet.org.us.laflrc, lugnet.robotics, lugnet.technic)
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| | Re: Controling NXT with Bluetooth Device(such as mouse, etc)
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(...) This is not an easy thing to do. While the mouse may support bluetooth, the signals are not the same as what the NXT is expecting. The mouse sends Human Interface Device (HID) signals, while the NXT expects Serial Port Protocal (SPP). Simply (...) (18 years ago, 24-Jan-07, to lugnet.robotics)
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