I agree with the Configurators but if anyone is convinced that the there is a firmware problem then please attach a simple rbt file that someone could look at. I can try it on a mac and a pc. David Sent from my iPhone On Nov 3, 2009, at 4:09 PM, Configurators <[log in to unmask]> wrote: > We found multiple times that inserting time delays between > functional blocks will eliminate ‘skipping’ or unexpected > behavior. Time delay will allow motion to settle and inertia to dis > sipate allowing sensors to start from a stable platform. > > Time is of the essence so delay does not need to be great – sometime > s fraction of a second is enough. > > Good luck to all > > Configurators > > > > > From: First Lego League in Virginia and DC [mailto:VADCFLL-L@it- > listserv1.jmu.edu] On Behalf Of Rusty West > Sent: Tuesday, November 03, 2009 3:03 PM > To: [log in to unmask] > Subject: Re: [VADCFLL-L] Programming/brick problem > > Ditto, > We have had the same problem. Sometimes it skips blocks and other > times it doesn’t. We verified it by putting in sound beeps in certa > in areas and it skipped those beeps and the movement blocks. We are > just going to hope we get one good run when it doesn’t skip blocks. > The overall program is good and the kids have thought it through. > I have no idea why it is skipping blocks and haven’t found a soluti > on. If anyone finds a solution please post it. > > Rusty West > Team 350 > VDOT BOTS > > From: First Lego League in Virginia and DC [mailto:VADCFLL-L@it- > listserv1.jmu.edu] On Behalf Of Sonya Shaver > Sent: Tuesday, November 03, 2009 2:36 PM > To: [log in to unmask] > Subject: Re: [VADCFLL-L] Programming/brick problem > > I'm sorry Sherene. I don't have any answers, just to say that our > robot is doing weird things at times too. Like we will run a > certain program and then it just starts skipping steps that are in > the program, for seemingly no reason. It will do that three or four > times, then suddenly start working again. I have no idea. We are > getting it to work most of the time though. It sounds like what you > are going through is really frustrating! I would encourage you to > not pull the plug on your team competing though. That seems unfair > to them with all their hard work. The robot game is only 25% of > their total score. They will still be able to talk to the judges > about their robot design and programming, even if their robot does > nothing on the actual table. And they will give their presentation, > and show their teamwork! Good luck, and I hope someone can answer > here! > > Sonya in Harrisonburg > > > On Tue, Nov 3, 2009 at 1:45 PM, Sherene Silverberg <[log in to unmask]> > wrote: > We're having a huge problem with our robot. > > the programs are not downloading from the computer to the brick > properly. Despite the message on the computer saying it the > program has uploaded, it is hit or miss if it does. > > We're running firmware version 1.28 on Mac OS 10.5.8. > > I've done the Mac OS 10.5 firmware fix as indicated here > http://mindstorms.lego.com/support/updates/. > > The programs never run the same way twice. It's like the NXT brick > has a life of its own. We deleted all the programs on the brick > and then downloaded just one of the programs. When we ran the > program, it bore no resemblance to the one we uploaded. Rather, it > looked like another one on the computer that goes by a different name. > > I thought to try to reset the brick but for the life of me I cannot > find any reset button. Apparently "The hardware reset button is > located within the LEGO TECHNIC hole below the USB connector on the > NXT brick.". > > For the life of me, I cannot find this hole. > > If I can't find a solution ASAP, I am going to pull the plug on the > team competing. We cannot waste any more hours trying to fix buggy > Lego equipment. > > Can anyone help me? I'm at the end of my tether. > > thanks > > Sherene > > To UNSUBSCRIBE or CHANGE your settings, please visit https://listserv.jmu.edu/archives/vadcfll-l.html > and select "Join or leave the list". > VADCFLL administrative announcements are sent via VADCFLL-ADMIN-L. > Visit https://listserv.jmu.edu/archives/vadcfll-admin-l.html to > subscribe. -- To UNSUBSCRIBE or CHANGE your settings, please visit https://listserv.jmu.edu/archives/vadcfll-l.html and select "Join or leave the list". -- VADCFLL administrative announcements are sent via VADCFLL-ADMIN-L. Visit https://listserv.jmu.edu/archives/vadcfll-admin-l.html to subscribe.