Larry,

 

Scroll the screen until you find the "view" window.  Select and scroll over to the gears window, one will have a "R" and one will have a "D" in the bottom corner.  Select the window with "D" and then a window with port, A, B or C will come up, select the port you wish to program, (for us A is an arm and B and C are controlling the wheels).  Once you select your port you will manually push your robot to the desired distance / location.  The degrees will come up on the window and you can key that into your move block.      If you select "R" it will give you the # of Rotations needed and if you select "D" it will give you the degrees needed.  We have found the degrees to be more accurate than the Rotations.  Be sure when programming the move block to key in "Degrees".  We are still experimenting with this on curve turns and it has not been as accurate.  It has worked well with turns, our arm and straight shots.  If you are traveling backwards the degrees will show on the screen as " - 720 "  you do not key in the "-" just choose the backwards arrow on your block.

 

I do hope I explained this clearly.  We are still playing with this new discovery.  If I am missing information or someone can  add to this I would be grateful.  I do know it has made our programming go much faster.  One of our team members received the "Lego Mindstorms NXT Idea Book" and it is awesome.  The kids cannot wait until the off season to plow through these projects. 

 

Note on the move block issue.  David thank you I have ordered the upgrade and we are experimenting with putting some of our written programs into a My block to save space, is this correct?  One student had a question, Could each mission be programmed and be put into a "My Block", and then put each "My Block" into one program?  They are working on ways to not have to spend time at the table scrolling through the brick to find each mission file.  Even when the missions are downloaded to the brick in order of their runs they still have to scroll to find them.

 

Thank you,

Tracy  

 

unIn a message dated 11/29/2008 6:40:41 P.M. Eastern Standard Time, [log in to unmask] writes:

Tracy,

 

We noted your phrase, “they have learned how to access the view window and push the robot manually to it's desired stopping point and then key in the degrees on the move block.”  How do you do that?

 

Thank you,

Larry Sides

Madison Menagerie Robotics

 

---

From: First Lego League Discussion [mailto:[log in to unmask]] On Behalf Of Tracy Reed
Sent: Wednesday, November 26, 2008 4:34 PM
To: [log in to unmask]
Subject: Re: [VADCFLL-L] Limit to move Blocks

 

David,

 

We started up the NXT ( we have version 1.0) fresh today, after a good rest. and everything worked fine, it took the block plus several more!  We did discuss one common factor, this seems to happen after the robot has been in use for maybe 2 or so hours with LOTS of programming or changes to a program.  Any thoughts? 

The blocks are no longer on the program for me to attatch, the student took them off when he could not get them to work.  I did look at them and they were simple move blocks, ports b and c, 75 % power, 2 rotations, brake.  The original block was done in degrees, they have learned how to access the view window and push  the robot manually  to it's desired stopping point and then key in the degrees on the move block.

 

Thanks,

Tracy

 

In a message dated 11/26/2008 10:24:12 A.M. Eastern Standard Time, [log in to unmask] writes:

In that case the obvious answer is out of  memory error when downloading
but from what you are saying there is no such error and it appears to
download just fine.  Therefore I think you are making a assumption that
the block was not included.    There may be physical conditions where
they block does not appear to run.
Can you you attach your program?

Also do you want to cc the listserv again since there are a couple of
others that have chimed in?

David

[log in to unmask] wrote:
> Hi David,
> Yes, a team member had 15 blocks and added another and it would not
> transfer it to the NXT.  He also added 4 identical blocks and they
> would not download.   We have also had this problem where we would add
> a move forward mini move it would not pick it up on the NXT so we
> would put an identical move block in front of it and it would take
> it?  I will be sure the kids are "saving" the new move before
> downloading.  It happens sporadically. There is no problem dragging
> the move block and having it show up on the computer screen, it just
> does not always transfer to the brick. We download and it downloads as
> always (compiling info is up on the screen and we get the beep when
> finished) There does not seem to be any rhyme or reason to this, it
> has only happened with one or two long programs.  We reboot everything
> and keep playing with it and usually it will end up taking it so we go
> back and delete the "phantom blocks that are identical" and all is
> well.      I was reading up on My blocks to see if that would help. I
> can't find anywhere in the NXT book where there are limitations on
> blocks in a program.
> 
> Thanks,
> Tracy
> 
> 
> In a message dated 11/26/2008 9:15:18 A.M. Eastern Standard Time,
> [log in to unmask] writes:
>
>
>     Hi Tracy,
>     What do you mean by " it will not take anymore "?    Is it that
>     you can
>     not drag in another block, save the program, download to the brick?
>     David
>
>     Tracy Reed wrote:
>     >
>     > Hi,
>     > I was wondering if anyone knows what the # of move blocks a single
>     > program can use.  It seems we are writing programs and when we
>     get to
>     > approx. 15 blocks it will not take anymore.  Is there a way
>     around this?
>     >
>     > Your input is greatly appreciated.
>     >
>     > Tracy Reed
>     > 4-H L.E.A.D Huskies
>     >
>     >
>     >
>     >
>     >
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