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.