OKBEST ran across this problem last year, though apparently not to this degree. This year, the solution was to 'confiscate' all the keys from all teams, and...
1855
Sam
samnsaenz2001
Oct 17, 2011 4:39 pm
After 13 years of preparing teams for the wonderful BEST competition, this year's competition was an absolute disaster due to linking problems with the VEX...
1856
me_dardo2007
Oct 17, 2011 4:41 pm
SA-BEST completed our HUB competition this past Sat, Oct 15, 2011! It was exciting and spirit filled! Just check out www.sabest.org (and get a peak at your...
1857
michaelblazer77
Oct 17, 2011 4:41 pm
We also had several problems with 'communication dropping'. This seemed to be related to just a few teams. In all the cases that I troubleshot, either the...
1858
Lee Brownell
lee_brownell
Oct 17, 2011 4:42 pm
I'm wondering if the teams mated the receivers and the controllers. That might cause this sort of problem....
1859
ripphyzard
Oct 17, 2011 4:43 pm
I had previously checked with our school district because of problems we had using our FIRST driver station. It operates in the 2 GHz range like VEX. We have...
1860
seancsnm
Oct 17, 2011 4:46 pm
Your problem has been interesting, though very unfortunate. I say interesting because last year, we had very occasional problems with connections using the VEX...
1861
Tammie
tammie.friberg
Oct 18, 2011 10:30 am
Anyone else having issues with speed controllers on the drive wheels/big drive motors burning out while the students are driving the robot? We have had 3 go...
1862
Lori Jack
mailthejacks
Oct 18, 2011 10:30 am
I'm surprised that you're surprised. we competed at auburn and had connection problems. our hub even sent an extra wifi key with us because of all the...
1863
michaelblazer77
Oct 18, 2011 11:27 pm
In San Antonio, we had 4 motor controllers returned. On had the case broken open. I haven't had a chance to check them out yet. Mike...
1864
ripphyzard
Oct 18, 2011 11:27 pm
Like you, we had problems after we built our robot and tried all the fixes you described, to no avail. My hub must not have gotten the "memo" that a usb...
1865
Lucas
vaporization...
Oct 18, 2011 11:27 pm
One burned out on our team during one of the seeding rounds in our hub competition... I would bet that the 3+ amp stall current that those large motors pull...
1866
Lucas
vaporization...
Oct 18, 2011 11:27 pm
Our team had wifi linking problem after we updated the mastercode. When we rolled the mastercode back to the version that is on the cd's that our hub provided,...
1867
ripphyzard
Oct 18, 2011 11:27 pm
We checked for connection before the other robots arrived in the pits that morning. We had connection for about 3 minutes, then it was gone. We lost connection...
1868
seancsnm
Oct 18, 2011 11:27 pm
We've had no speed controller issues this year, but we did last year (we wired 2 motors to a single speed controller, overloading the controller). The speed...
1869
TerryG
tagrimley
Oct 20, 2011 3:40 am
I'm pretty sure that ports 1 and 10 on the Cortex have the same chip used in the external speed controller - the external controllers are cheap fuses relative...
1870
Lori Jack
mailthejacks
Oct 20, 2011 3:40 am
I will only remark on your last paragraph. Definitely a great competition. It's all about the real world and working through problems is part of life anyway. ...
1871
skylersaleh@...
skylersaleh...
Oct 20, 2011 3:40 am
To aid in the development of the software that runs our robot, the ThunderRidge Robotics Club created a small API that handles some of the basic functions that...
1872
Sarah Song
nolansong
Oct 20, 2011 3:40 am
We were there this past Saturday in North Houston. We had connection 1 time out of the 8 preliminary rounds. The parts replacement area had us tried out 4 sets...
1873
seancsnm
Oct 20, 2011 3:40 am
Just a quick update on our issue: Since we replaced the faulty battery connector and mounted the WiFi adapter on our arm, we've had zero connection issues in...
1874
ripphyzard
Oct 21, 2011 5:33 pm
We asked but were not allowed to use a usb extension at our hub competition. You have solved the problem as far as pratice is concerned. If wifi is the issue,...
1875
tx_junkman@...
tx_junkman
Oct 21, 2011 5:33 pm
Good Morning, The guys would like to operate a server using one of the push buttons on the front of the controller... Push the button, the servo activates,...
1876
ripphyzard
Oct 21, 2011 5:33 pm
Yes, they mated them over and over again while they frantically tried to get their robots to connect while the head referee went ahead and started the round....
1877
Brian Louis
blpiltin
Oct 21, 2011 7:38 pm
What you're asking for is actually somewhat easier than what we've posted here, but you might want to try something like this on for size... it's the code from...
1878
Sandeep Math
math.sandeep
Oct 21, 2011 7:38 pm
MathWorks provided software, "BEST Simulink Library", could be used to achieve this behavior very easily. You could program a digital button to turn your servo...
1879
Grey Williams
avatarwolf28
Oct 24, 2011 4:12 am
It is not actually hard at all to do that if you are using EasyC. You should be able to use the same methodology for the other programs. Basically you assign a...
1880
seancsnm
Oct 24, 2011 4:14 am
We just finished hub competition. Our robot only disconnected in one round out of 9 total, and that issue may have been a battery problem (since it was finally...
1881
Brian Louis
blpiltin
Oct 24, 2011 4:14 am
Sorry, I failed to mention we use RobotC. I have no idea how it would be done using Mathworks if that's what you're using......
1882
tx_junkman@...
tx_junkman
Oct 24, 2011 4:15 am
Brian, Thank you for replying. Will take a look but looks like what we are looking for. Will you be available later for questions to verify our understanding...
1883
Greg
gdyoung45
Oct 24, 2011 4:21 am
It's incredibly easy in Simulink. You need a 1) joystick digital block (i.e, the button) 2) a gain block 3) a servo block Connect output of joystick digital...
