adding to Skip's comments.. Sometimes when my team adds a motor block after a loop it behaves oddly. So you might need to add another block in between.. these are things your team will learn by trial and error :-( On Mon, Nov 4, 2019 at 9:15 AM Skip Morrow <[log in to unmask]> wrote: > I would check a few things: > Are you one hundred percent sure you are running the right program? I > can't tell you how many times I have had to make a kid show me the program > on the laptop and the program they are running on the EV3 and it turned out > they were running the wrong program. Give the program a unique name (other > than "program"!) and verify. > Check to make sure all of the cables are plugged into the EV3 securely. > Reboot the EV3 > Are you using the gyro? There are certainly some issues with the gyro that > are well documented. > Are you sure the program blocks operating the motors are commanding the > right ports? > > Hopefully one of these will help. > > > On Sun, Nov 3, 2019 at 11:33 PM masahide okada < > [log in to unmask]> wrote: > >> Hi! >> Thanks for the advice! Is it possible for as single program in a project >> (on the computer) to have a bug? We tried deleting the one program on the >> computer that the robot was not following properly, and rewrote it in >> exactly the same way. This seems to have solved the problem though we >> haven’t tested it enough to know for sure. Unfortunately, even if it did >> work, we don’t know what caused it, so we are unsure how to prevent it from >> happening again. Any thoughts? >> Thanks, >> Rosanna >> >> Sent from my iPhone >> >> On Nov 3, 2019, at 5:10 PM, srinivasalu s <[log in to unmask]> wrote: >> >> >> Try deleting all programs and download it once again. >> On Sun, Nov 3, 2019, 4:00 PM masahide okada < >> [log in to unmask]> wrote: >> >>> Hi all, >>> >>> Our tournament is November 10 and our EV3 brick has just started going >>> crazy on us. It followed programs beautifully yesterday afternoon, we >>> turned it off, plugged it in to charge it, and then turned it on again an >>> hour or two later to show someone the new programs. This is when the robot >>> started acting strangely, for example, going backwards when the program >>> (that it followed before) says to go forward. >>> >>> The team has tried charging the battery overnight, checking for software >>> updates (none), updated the firmware, unplugging and replugging in all the >>> cables, restarting the app on the computer (a Dell). We even tried a new >>> brick. Same problem. >>> >>> Can anyone offer any guidance? I’m desperate as our tournament is in 6 >>> days. >>> >>> Thanks, >>> Rosanna Okada >>> Lego my Eggo >>> Sent from my iPhone >>> >>> -- 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-ANNOUNCEMENTS-L. Visit >>> https://listserv.jmu.edu/archives/vadcfll-ANNOUNCEMENTS-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-ANNOUNCEMENTS-L. Visit >> https://listserv.jmu.edu/archives/vadcfll-announcements-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-ANNOUNCEMENTS-L. > Visit https://listserv.jmu.edu/archives/vadcfll-announcements-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-ANNOUNCEMENTS-L. Visit https://listserv.jmu.edu/archives/vadcfll-ANNOUNCEMENTS-l.html to subscribe.