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 -~----------~----~----~----~------~----~------~--~---
