Print

Print


We use view in nearly every meeting and mission, we also use degrees in
measuring distance, very accurate.

Mike

On Sat, Oct 9, 2010 at 7:18 AM, Lloyd O'Hara <[log in to unmask]> wrote:

> Cool idea, I like it and may borrow in the future.
>
> ----- Original Message ----- From: "Eric Palmer" <[log in to unmask]>
>
> To: <[log in to unmask]>
> Sent: Saturday, October 09, 2010 7:07 AM
>
> Subject: Re: [VADCFLL-L] using sensors
>
>
>  Also our team constructs a measuring gauge with a wheel/tire the same
>> size of the one on your robot. They put one of those orange pointers
>> on an axle and use some beams to make a handle. They then just set it
>> down with the point in a know position and then push it and count
>> rotations.  360 degrees = 1 rotation.
>>
>> This way they don't have to guess, program, download, run and rinse
>> repeat so often.
>>
>> It saves time.
>>
>> On Sat, Oct 9, 2010 at 6:30 AM, Lloyd O'Hara <[log in to unmask]>
>> wrote:
>>
>>> Heather,
>>>
>>> One thing for your team to lookout for is battry charge. When the battery
>>> charge lowers, it may take more time (seconds) to travel the same amount
>>> of
>>> distance as it did when the battery was fully charged. (see Curt's
>>> handrill
>>> analogy in a recent email).
>>>
>>> Our team generally uses degrees (1/360 of the circumference of the wheels
>>> you are using). Degrees, as well as other sensors, can be easily measured
>>> using the "View" function on the NXT.
>>>
>>> Lloyd
>>>
>>>
>>> ----- Original Message ----- From: "Heather Houlden" <
>>> [log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Friday, October 08, 2010 10:05 PM
>>> Subject: Re: [VADCFLL-L] using sensors
>>>
>>>
>>>  It is my first year as well, so we are learning too. However, my kids
>>>> are
>>>> measuring the distances the robot needs to travel.
>>>> We programmed the robot to travel in a straight line for a set time (I
>>>> think it was 10 sec). Then they measured the distance travelled, and I
>>>> had them compute the seconds per inch travelled.
>>>>
>>>> Then they just multiply the seconds/inch by the number of inches the
>>>> robot needs to move, so that they can program the number of seconds
>>>> to move.
>>>> So far it seems to be working OK for them. There may be an easier way
>>>> to do it, but this is what they came up with.
>>>> Hope this helps!
>>>> Heather
>>>> Team Blockbusters
>>>>
>>>> -- 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.
>>>
>>>
>> -- 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.
>



-- 
--
Michael Brown
Y!:nrune AOL:nrune
GPS: Team Virginia Brown's

-- 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.