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The big white connector could be used to connect power to the board, or used for programming, or who knows? If you get the board, you could figure it out pretty easily by tracing the circuitry to the PIC and see what the function of the pins is. |
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OK EE guys, what is the white thing labeled PB1?
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Which part actually receives the IR signals, is it the piece labeled S1?
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The white connector is most likely for programming the PIC. Seems power comes from the 10 pin header connector.
Yes, S1 is the sensor. |
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@tawnos23 yeah it is. that big sphere/cube looking thing
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... *sigh* ... Dave, Joe ... pick a night in '09.... I guess I have lost.
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Found this on wikipedia: "Levels was originally known as Levels Cross Roads because of its location at the intersection of four roads in north-central Hampshire County" Could the game involve a sort of "crossroads", or very central location of gameplay? I'm almost thinking a gamefield like 04' with steps and a central endgame. |
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This has been mentioned before but: It would be cool if there were different targets that you had to sense which was the right one using IR and then use that one. I am putting my money on that right now. Prove me wrong and get a penny and some pocket lint :D
thanks, vivek |
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How about using a remote control to select one of 4 (or 16) autonomous modes after the field initialization?
I'd be playing with the hint board and last year's robot to see if I could make it do different things just by "changing channels" on an old TV remote (available at any thrift store) |
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I don't think FIRST would take that risk, due to the fact that some moron with a universal remote sitting in the stands could probably alter the game...
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Well guys here's what I think:
The IR board says "2007 FIRST". I think this means we could be using 2007's Inflatable Rings again. |
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My initial suspicion is that you are right about using the IR to switch to one of four possible auto modes after the field is set up, but I have a few other thoughts to add based on our experience of using IR remote controls and PICs to run mini-sumo robots for the past several years. First of all is the issue of channels. With RF transmitters you can change the crystal or frequency synthesizer to transmit your signal on a specific wavelength, and tune your receiver to only receive signals transmitted on that wavelength. Pretty much all IR remote controls, as far as I know, operate on the same (or overlapping) wavelengths of light. Therefore everyone is "talking" on the same "channel". To make the signal stand out from the background "noise" IR remotes flicker the LED on and off. 38kHz is the standard for the Sony IR protocol, but other brands use other frequencies. The receivers are tuned to only receive a signal that flickers at the correct frequency. Since these flickers all occur in the same wavelength, however, they can jam each other when more than one signal is emitted at a time. This means that having robots controlled by IR signals coming from more than one source, when each source is transmitting at the same time, could present problems. (I believe someone mentioned the challenges in programming more than one Lego League RCX unit in a room at the same time and the need to control IR reflections.) It is also much easier to buy a $4.00 multi-brand remote and program it to use a given IR protocol (IE the Sony Protocol) than it is to build a Learning receiver. (You can receive a Sony IR signal with a PIC, a PNA4602M, and 12 lines of BASIC code. Reprogramming the remote requires four button presses.) So why a "learning" receiver... perhaps because (as suggested earlier) the receivers will learn a signal from the field crew at the regionals. This way FIRST could ensure that the signal and modulation they are using are not used by any commerical IR remote control units, making it less of an issue if people in the stands happen to have "IR keychain remotes" and such. However it is also possible for the RC... when hooked up to an IR LED... to be programmed to emit an IR signal. All you do is pulse a digital output, really. Each team could be assigned a particular code (team number, perhaps), and would train the receiver to pick up on this signal so that they could test whether or not they were transmitting properly. Perhaps you score by transmitting your signal to a goal. But that kind of clashes with the whole "jamming" problem. In any case, I promised myself I wouldn't get tied up over the game clue this year... congrats to the GDC for making me break that promise. Jason |
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Did any one check the 2008 Blast Archive? I didnt see anything about a "December Gift" in there...
Keaton |
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They tell us rhyming riddles, post crazy images, and send us things to examine.
I have a feeling that next year the hint will be to stick your hand in a box like those Halloween games where you put your hand in dog food or something and you have to guess what it is. :p (but of course instead there will be distorted melted things that disappear after a minute just to make it more complicated. lol) |
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Here are my sleep deprived thoughts.
In the User Guide under step 5. Operation it states the signal is the strongest in an angle of roughly +/- 30-40 degrees from the normal... Hmm staying on course, stay the course, something presidential, the president works in the oval office, alas! oval shaped game objects. - Game objects will be white considering the color of the White House. Can be trained with a universal remote... a tv watching robot competition. Bonus points will be awarded to the robot that switches their tv to the Colbert Show with Dean Kamen being interviewed. This is a receiving device and therefore I think that it has to do with strengthening our autonomous mode. For the past two years, FIRST has given us the option of tracking a green light. This may be an alternative or an addition to the process. The robot may receive a signal from a field transmitter and act accordingly. This signal could never come from any human operator for that would defeat the purpose of autonomous mode. The receiver would be programmed at the beginning of a regional event to correspond to the events specific transmitter. Hmm IR is a sensor that reads a certain spectrum of light, light is always prominent during the competition, maybe there will be various light sources (4?) the robot will be able to utilize during a match. Of course, this is all speculation. However, my final idea comes back to the remote control idea. I'm thinking about when a pesky neighbor has a remote to your tv and they change the channel while you're watching it. Just imagine a randomizer or FIRST official that uses this receiver to disable it or make it function in a different way. Dave will have a master remote to all of our robots!!! Happy holidays everyone!!! 20 days to go. |
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What if... since we all are making hypothesis... that the IR will be on each robot to tell them which period it is in, as in offense or defense or free for all, like 2006 game. Which may mean multiple autonomous modes... as the IR will tell the robot which state its in? Or it could mean that autonoumous mode is broken up into parts or autonomous mode may be different per match so that some times one team will be offense or one team will be defense.
I am so excited I can hardly finish up my last few college apps (4 left out of 15). |
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The idea is to filter out the 38 kHz Carrier (that is, demodulate the data) to dramatically increase the resistance to noise and stray IR. Any such circuit will have low sensitivity to carrier frequencies other than 38 kHz. Cable TV remotes generally do NOT use 38 kHz to avoid interfering with (or controlling) the TV/VCR/DVD/etc to which they are attached. Quote:
-...- What we know: 1. Not a hoax 2. Used for FRC 2008 3. Can be used to receive/decode up to 4 IR signals, and act upon them. 4. Compatible with systems on the Robot. 5. The team can pick (teach) the four IR signals... 6. It works from at least a few feet away. Speculating, if it's on the 'bot, and the 4 signals are unique* to a team, then only that team** can do something with it - sounds like a remote version of the autonomous "version" switches many teams use. Teams will need to change autonomous*** strategies after the field is set and teams are at the player stations, but before the match begins. This board allows that. Don * They get to pick the remote & buttons used for teaching, right? ** Hypothetically, two teams could pick the same remote AND the same buttons...but that's unlikely, and can be mnodified at competition anyway. *** Or maybe change something fundamental during regular play, but I suppose the OI can be used for that... |
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Wow. I'm really confused and my brain hurts. Watch this really be a hoax. lol that would be great.
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That's about as exciting as making a sandwich... or maybe thinking about making a sandwich... |
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I like the idea someone else came up with of using the infared soccer ball that was posted earlier.
A game piece involving infared would be more interesting... I don't know why you would need an infared sensor to use it though... unless you wanted to get to this game piece during autonomous mode... Thinking about it, the real question we need to be asking is: why the need to go infared when we already have the CMUcam... |
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At least the game pieces wouldn't get stuck on the freaking flag :p -vivek p.s. It might be cool if the game pieces were identical in everyway except that they put out different IR signals. two goals: wrong IR game piece gets one point, correct IR game piece gets two points? eh... I need to do my homework. |
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(Ewww). |
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honestly, I can't get a clear idea of what this is used for.:confused:
but I wonder if they are leaving out an item left in the kit. Such as a transmitter perhaps? Perhaps we will be able to interact with other robots without harming them. (like lazer tag). One thing I have noticed is that we are forgetting that FIRST may have left other parts relating to this device in the kit and secret. We should probably take into account the possibility of items kept secret. |
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I'll say it again... this IS the game piece... get your circuit board harvesters ready!
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-vivek |
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Ok, so basically, I would have to guess this in fact is what will be in the KOP, but considering you only get one end of the wire in this "hint" there will be a complete set in the '08 KOP. What? Like 20 more days now?
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Interesting. This makes me think of the Mindstorms RCX in the fact i've used it as a jammer to stop people from changing the tv channel away from the one i'm watching, simply by telling it to send message 1-10 and repeat. That completely jammed the remote from getting any response out of the tv.
My thoughts are this will go on the robot to respond to how the fields setup. And being able to use any tv remote allows you to emulate the actual field. Im picturing a large transmitter (or several small ones preferably) placed around the outside of the field that send messages to the robots be it autonomous or normal gameplay. |
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@willitblend
LOL I think that it would blend... :D -vivek |
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Oh btw I believe the other end of the cable is an exact replica, so maybe thats how FIRST saved money on shipping these out, they just snipped these in half lol. Considering it will have a replica opposote side, there may be some piece that was not included in the hint but will be included in the KOP. The part may either be a field element such as a ball, or a part placed on the robot. If no other part will be in the KOP, then obviously this IR thing will be installed somewhere upon the field, and this thing will in fact be used to train the bot to adhere to any autonomous controls on the field. I hope that made sense.:D
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haha ever since I've seen that site ive broken that out at every oppurtunity... and it was all thatks to Dave's post on another thread i can't recall...so on behalf of me and my group of friends I thank you for another inside joke...
[start insane conjecture] maybe this is an elaborate plan to keep us away from our computers playing with this while the real game hint is released! or not [/conjecture] |
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-vivek EDIT: :p EDIT2: You know you are addicted to FIRST when you have been sitting here on the gaem hint page for 7 hours on a sunday... |
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We are given a rainbow ribbon wire for an infrared receiver, am i the only one who thinks the absence of ultra violet means something?
perhaps ultra violet is supposed to clue us to some sort of sun related theme or game piece. |
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That's incredible, two pages came up in the twenty minutes that I was reading all the posts that came up overnight. And at least 16 members looking at this page. For what I originally intended to say, 766 hasn't gotten our package or email yet, or our contact is unavailable. :confused:
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well, it is a sunday so our school is closed and mail/fedex doesnt work on sunday? correct me if im wrong.
-vivek |
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waait a minute... Is that piece of paper in the picture smaller than 8x11? I hope so. Other wise those led's must be huge!
-vivek |
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ok, Im going to get off CD for a day or two until our team can confirm this thing.
-vivek |
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That white 6-pin connector looks like it might be a standard ICSP connector, used for programming the PIC. This opens up the possibility of loading custom code onto the board, but I have a feeling that FIRST won't allow that.
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Oh and Kate Pilotte was in charge of the 07 K.O.P.
our team 1625 and 111 wildstang attended a sensor expo summer of 2006. While we were there I knew she was hunting around for sponsors so being my curious self i kept a close eye on who she talked to;) . The second day of it however we had our oh so brilliant minded animator (also my arch enemy:D ), was the only person who could go and he didn't keep an eye on her!! so if he had payed attention that day we may know the exact background of this thing. CURSE YOU PETE!!! (buddyb309) |
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Ah, another fun game hint (or what appears to be one) only a few weeks before kickoff, just to torment us all further. Who else loves the Christmas season?
Now, my weigh ins on some previously mentioned ideas as well as my own... 1. Although cool, I don't see this as an inter-robot communication device. Each alliance would be limited to only 4 signals they could send between the robots, and for them to mean anything, there would have to be a universally adopted code between all teams in FIRST. Every team would have to know that receiving a COM0 signal means "head to left side of field", "score gampiece", "inflate clown balloon", etc. To be honest that seems like a rather boring use of signals, as only four commands for the whole alliance doesn't give many options in terms of what to do. 2. Is this the end of the CMUCam? With the success and usefulness it's gained in more recent auto-modes, I don't see the camera ever leaving competition permanently, but I do think FIRST could take a break from it. The camera has already been mastered by a few teams, and alot have it working, even if the rest of their auto isn't up with it. I see a departure from cameras for a few years in favor of IR challenges, such as back in 2004, so everyone has a challenge again. Then once we've all figured this one out we may go back to the cameras, combine them both, or go on to something else new. 3. If FIRST does actually intend on using remote controls with these (not just as a test method), they will have to supply their own special controllers at competitions. Otherwise the risk is too high that two teams will bring the same remotes and use the same buttons, which would guarantee interference. Human players directing robots with remote controls would be interesting, perhaps a section of the field will be obscured from driver view or will have driver control removed so that only the remote may operate the robot? I hope such a system wouldn't be implemented in autonomous mode, as this would defeat the point of it (something about no human control...). 4. I keep having a leering suspicion of something akin to a game suggestion I made last year, involving goals with lights above that didn't turn on to indicate which alliance they scored for until autonomous began. Imagine four goals on the field each with an IR emitter that doesn't activate until autonomous begins. Two goals send out a signal indicating red goal, while the other two send out signals to signify a blue goal. Which goals score for which alliance are random each match, making a dead reckoning autonomous potential suicide in which you score 20 points for your opponents. Visual alliance indicators are then revealed after autonomous so teams that don't attempt to find the signal may still score in operator mode. Unlike 2004 when teams had to figure out which emitter they were looking at themselves, FIRST is already giving us the tools to distinguish between multiple IR transmissions on field. Sounds like they must want us to use it for something, all will be explained on January 5th, but I really don't want to wait quite so long. |
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I'm one of the alternates for our team and I did receive the email. I checked the message headers and it does appear to originate from FIRST. It will be tomorrow before I can check at the school to see if we've received a package.
I don't think this is a hoax, although how relevant it will be to the 2008 game is yet to be seen. |
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Anyone thinking Wii nunchuck controlled robots? :rolleyes: |
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Hey CD!! HAPPY HOLIDAYS!
I have a cool idea (which probably is a couple years away in terms of FIRST actually doing it..but MAYBE it will be for this year.) FIRST becoming economical....VIRTUAL GAME PIECES Even though FIRST usually has their game pieces at least partially donated by supplier partners, a very interesting concept to me would be virtual game pieces. Imagine a game in which there are four locations on the field with integrated IR signal emitters that give out a red, blue, green, or yellow signal (for example) when a robot comes up to it with their IR receiver. Once the team is within range of the receiver, the signal is picked up by the robot and a beacon (maybe like a LED light on the robot) lights up the color given out by the IR signal. This is equivalent to a Virtual Game Piece. Bringing the virtual game piece to the correct colored goal scores a point. Advantages of this idea: 1) no need for game pieces....(Saves LOTS of money for teams and FIRST) 2) instant score board updates (since it is all controlled by the IR signals) 3) Game is different every time since you might not know which color you will get at each station. Disadvantages: 1) Not sure if we will have IR transmitters too...to send the goal the scoring info. 2) Unlikely that FIRST will ever get rid of a real game scoring piece...this might be used for a bonus or big point objective. As always...I am probably over analyzing the situation...but thats what I do best:) -Gabe G. |
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:D -vivek |
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-vivek |
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maybe 4 LED's mean 4 team on the field as opposed to 6!
meaning possibly a 2v2 instead of a 3v3 or maybe even a free for all with 4 robots? So 4 unique commands for 4 unique robots?... maybe? :confused: *Edit* 4 "receiving" LEDS + Error LED *edit* |
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Now the hard part will be deciding whether to name our robot Britney, Beyonce, Paris, or Lindsay!!!!!! :rolleyes: Quote:
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i was thinking of an explanation the email not being the usual FIRST email blast. Perhaps, if the email's were indeed falsified, the perpetrator(s) searched the CD members list for those listing their team role as a mentor, and sent the supposed FIRST email to them (accounting for alternate contacts who have not received the email). The email inconsistency and the fact that i cannot navigate to the circuit board documentation using the FIRST site (I can only get to it through the URL in the picture) both keep me hesitant to totally believe this is the real deal. But then again, maybe it is.
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![]() -dave . |
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Seriously. Knowing the GDC (or specifically, Dave...) also... Maybe the fact that only some people have gotten it has to do with their status? Who's paid for their events? |
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hmmm, i couldn't think of any other way that some TIMS contacts would not recieve a supposed email blast.
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ah man. finals this week. Looks like i won't think at all about this... unless we get one. Then i'm going to be the one thinking all about this. ouch.
Well, it looks like the breadboard companion I soldered up for my digital electronics class, with its leds. Tell me its something more exciting though. |
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If your theory is correct, I doubt we will get the other half, but rather a full cable with a mystery connector on the other end. Quote:
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AKA: Rookies need not apply?*** :o I don't know. It doesn't sound like the "level playing field advantage" that every team has had in the past if it is in fact part of the 2008 competition, but if not every team has gotten one or will not be getting one then maybe that explains it? idk. We got one of the 2008 boards btw. Quote:
*** See below post. |
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Okay, so I already posted this but it's been zipped by...
also... Maybe the fact that only some people have gotten it has to do with their status? Who's paid for their events? |
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-vivek |
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As for the "virtual gamepieces" idea, I'm not a fan of it, at all. When I first attended the Buckeye Regional with my dad, I had never even thought about robots before then. After seeing these machines built by highschoolers doing cool stuff was what fascinated me, and now I'm very active on my team. No offense, but had I watched a competition about us getting certain data or whatever, I would have steered clear for the rest of my life, maybe a load of other students. In fact, I think FIRST wouldn't have survived after the first year of doing so. |
How important is this
2008 is going to be my second season on a FIRST team and will also only be the second year our school has a team. My question: Why take up 19+ pages on guesses?
Just to waste time? or Just for fun? I don't see the reason for the guessing. We'll all find out what it is soon enough. Right?:confused: |
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Hmm.. I see. So maybe just a regular lottery of all participants in '08, or some people just haven't gotten theirs due to weather, or normal shipping restraints. I'm now happy to know Rookies were not excluded in the gift. :cool: Quote:
Sorry. Couldn't resist asking that. Just play along with it. It's fun. The seemingly simple explanation I can think of is FIRST (as a whole organization) has liked to generate a "BUZZ" about the new game before it's been released for quite a number of years now. Some great things come out of the discussions, even if they don't come to be a part of the game this year. I'm guessing the GDC has even maybe gone back to these hint threads, and pulled some feasible items or actions for future games from the guesses. In any case, it gives us a change to chat about the new game before we're all too busy building robots & our stress levels are up. We may get stressed about the hint, but you shouldn't. It's the calm before the storm, aka: The 6 weeks of hell! :eek: |
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but ya its too long of a wait till the 5th |
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I think that dave might have influenced those people at the GDC a bit too much... :p
-vivek p.s. I still think that you kids should wait a couple of days before jumping to conclusions. Maybe the email list got cut off, maybe only some teams got the boards because of their location, maybe everyone will get the boards if you waited a couple of days. |
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Speculation, particularly wild (but plausible) speculation is what makes this kind of thing fun. Kind of like science fiction. We're creative types, but with a engineering bent, so speculating excites the creative juices and satisfies the need to be creative. But geeks have their limits.... Also, don't take stuff so seriously. If this doesn't make sense, then I have some puzzlement. Don |
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Wrong. I sat there absorbing the moment with a 2nd year team and a loud contagious cheer, thinking about the very beginning of the incredible season, starting with a mysterious clue - and all I could do was smile. |
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None of the Team 980 contacts (Main, Alternate/Shipping) have received the e-mail or circuit board itself. We did have an issue with a payment from a non-profit org to FIRST not being credited because our team number wasn't on the check, but that was resolved last Tuesday.
We'll wait until next Wed. to contact FIRST. Perhaps by then, the "hoax" will have been uncovered or everyone officially registered will have received their "December gift". Either way, this exercise shows just how hungry we all are for next season's challenge!! |
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Welcome! This is the beginning of the end. Game Hint Season. [credit to Michelle Celio for naming the next 2 weeks.] |
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As for my rookie game theory, im working on it. |
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my guess is beachballs.
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Our team's paid for everything (I think), but it is a Sunday, so... that leads to more indecision. We haven't gotten either a board or an email, and we aren't rookies. And I don't think FIRST would do anything not to keep the field as level as possible. Will each team post whether they've gotten their's?
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lol
this is my FIRST "game hint season"... I'm pretty excited. last year, I found out about the program so late that there was no build up. nobody know about it at all. rookie team. premeeting, workshop at the U of Minnesota, kickoff, boom... -vivek |
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