Also, it would be hard to see to look of disbelief on a "friendly" face when Steve turns sides and starts shooting his own team!
On Sep 11, 2008, at 6:35 AM, Steve Tyng wrote: > > Though remote battles would be technically interesting they would be > counterproductive to my main reason to being part of this sport, the > up close and in-your-face camaraderie with like minded people. > > My interest in PC based control systems comes from my interest in > developing police and bomb disposal ROV's. > > Steve Tyng > > > On Sep 11, 12:47 am, "Paul Hilton" <[EMAIL PROTECTED]> wrote: >> So, with all this "Mad Scientist" talk, it would seem that a true >> remote >> battle is even closer to happening. Imagine a battlefield that >> none of the >> tankers have seen. The only images available are what each tank can >> produce, one gunsight, one wide angle. Hits are registered by on- >> site >> scorekeepers...... Wow. >> >> Paul H. >> >> --- Original Message ----- >> From: "Steve Tyng" <[EMAIL PROTECTED]> >> To: "R/C Tank Combat" <[email protected]> >> Sent: Wednesday, September 10, 2008 8:55 PM >> Subject: [TANKS] Re: For those mad scientists on the list >> >>> A little more searching found this wireless USB server which >>> reportedly supports USB video. >> >>> http://www.silexamerica.com/sx-2000wg.html >> >>> Steve >> >>> On Sep 10, 5:44 pm, "Doug Conn" <[EMAIL PROTECTED]> wrote: >>>> No, I haven't, but that's a great idea. The Keyspan server won't >>>> support >>>> USB >>>> webcams, but you'd think it would work for servo controllers and >>>> the >>>> like. I >>>> used the Pololu serial servo controller in both vehicles and it's >>>> always >>>> worked like a champ. I bet their USB version would be just as good. >> >>>> - Doug >> >>>> -----Original Message----- >>>> From: [email protected] >>>> [mailto:[EMAIL PROTECTED] >> >>>> On Behalf Of Steve Tyng >>>> Sent: Wednesday, September 10, 2008 4:38 PM >>>> To: R/C Tank Combat >>>> Subject: [TANKS] Re: For those mad scientists on the list >> >>>> Doug, >> >>>> Have you played around with USB servers (http://www.keyspan.com/ >>>> products/us4a/) accessed over wilan? >> >>>> I could see USB servo controllers (http://www.pololu.com/catalog/ >>>> product/390) and possibly cameras remotely controlled and/or >>>> accessed >>>> this way. >> >>>> Steve >> >>>> On Sep 10, 10:41 am, "Doug Conn" <[EMAIL PROTECTED]> wrote: >>>>> Didn't Linksys stop making the NSLU2 ? >> >>>>> I tried using a webcam server for my tank, but it didn't work very >>>>> well. >>>> To >>>>> ensure an uninterrupted video stream, the server would buffer 5-10 >>>>> seconds >>>>> of video before it started streaming. That would introduce the >>>> corresponding >>>>> amount of latency, so I wouldn't see an event in my video until >>>>> 5-10 >>>> seconds >>>>> after it actually happened ! Not good for running a real-time >>>>> tank. I >>>>> hope >>>>> that the webcam server you found avoids that. >> >>>>> I ended up writing my own video streaming software using the MJPEG >>>>> format. >>>>> That's a highfalutin way of saying it sent one JPEG image after >>>>> another. >>>>> When I converted to Microsoft Robotics Developer Studio, I just >>>>> used >>>>> their >>>>> webcam service. It does not have significant latency. The more I >>>>> use >>>> MSRDS, >>>>> the more I like it. It's made for distributed asynchronous >>>>> processing, >>>>> and >>>>> they've built it in a really clever way. You don't need to >>>>> manipulate >>>>> your >>>>> own threads and synchronization primitives. Plus, I used the >>>>> skills I >>>>> learned building my tank to enter the RoboChamps competition >>>>> (www.robochamps.com). I submitted one challenge so far, but it >>>>> hasn't >>>>> been >>>>> judged yet. The competition is great fun. I recommend it. >> >>>>> - Doug >> >>>>> -----Original Message----- >>>>> From: [email protected] >>>>> [mailto:[EMAIL PROTECTED] >> >>>>> On Behalf Of SteveH >>>>> Sent: Wednesday, September 10, 2008 8:02 AM >>>>> To: R/C Tank Combat >>>>> Subject: [TANKS] Re: For those mad scientists on the list >> >>>>> Yaah, I got a Gumstix too. While they're really neat and tiny, the >>>>> hardware expandability is problematic (combining USB and serial >>>>> and >>>>> Ethernet is difficult), and the software is pretty immature for a >>>>> system designed for user modification. For example, the stock >>>>> firmware >>>>> won't support either function of their Ethernet/SD card stick >>>>> without >>>>> reconfiguring the system from a serial port (that you can't attach >>>>> with the Ethernet/SD stick in place), and in the case of the SD >>>>> card I/ >>>>> O, it required rebuilding the kernel and reflashing the CPU. This >>>>> problem has remained there over several code releases, too. I'd >>>>> expected better from them; they've a way to go yet. >> >>>>> I've since switched to the Linksys NLSU2, a cigarette-pack-sized >>>>> $100 >>>>> single-board Linux network appliance that's been hacked to install >>>>> OpenEmbedded Linux. This system, while not originally designed for >>>>> user modification, supports USB, Ethernet, serial I/O, and has >>>>> lotsa >>>>> prebuilt packages that are easy to install and work right off >>>>> the bat. >>>>> In an hour out of the box, I've got a Webcam server running, and >>>>> have >>>>> the I/O capability needed to use the "Slug" as a robot controller. >>>>> This is now my baseline embedded controller. I recommend it >>>>> highly. >>>>> (Linksys, when asked about all the folks repurposing their >>>>> gadgets, >>>>> say in effect that they don't actually support this stuff, but >>>>> certainly don't mind. I like their attitude.) >> >>>>> -- Steve H >> >>>>> On Sep 9, 12:25 pm, Aahz <[EMAIL PROTECTED]> wrote: >>>>>> Doug Conn wrote: >>>>>>> I looked at Phidget boards for RocketMan and Bad Kitty. I think >>>>>>> they >>>> are >>>>>>> kind of expensive for the functionality you get. I like the >>>>>>> Velleman >>>>> K8055 >>>>>>> board. It's very basic and very cheap. When I outgrow that, I've >>>>>>> been >>>>>>> thinking about one of these: >> >>>>>>> http://www.labjack.com/labjack_u3.php?prodId=53 >> >>>>>> I bought and experimented with a Gumstix for computerized >>>>>> control >>>>>> system for both tanks and robots. If anyone wanted one used I >>>>>> could >>>>>> make >>>>>> you a good deal ;)http://www.gumstix.com/ >> >>>>>> Aahz. >> >> > > --~--~---------~--~----~------------~-------~--~----~ You are currently subscribed to the "R/C Tank Combat" group. To post a message, send email to [email protected] To unsubscribe, send email to [EMAIL PROTECTED] Visit the group at http://groups.google.com/group/rctankcombat -~----------~----~----~----~------~----~------~--~---
