I made the same mistake. The HiTechnic is not allowed. It has to be a Lego product and look like the one on page 18 of this pdf: http://firstlegoleague.org/sites/default/files/Challenge/SeniorSolutions/FLL2012SENIORSOLUTIONSChallengeAnchors.pdf Thanks, Lloyd O'Hara Coach, The Crestwood Monarchs ----- Original Message ----- From: "Randy Greene" <[log in to unmask]> To: <[log in to unmask]> Sent: Monday, October 15, 2012 12:40 AM Subject: Re: [VADCFLL-L] VADCFLL-L Digest - 13 Oct 2012 to 14 Oct 2012 (#2012-136) > Sure could use some guidance on the color sensor; is the HiTechnic color > sensor allowed? I thought I was buying the correct sensor but it says > HiTechnic and my understanding is that only pure Lego sensors are allowed. > > Randy Greene > Richmond Eaglebots > Richmond NSBE-BDPA Bots > > -- 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-ANNOUNCEMENTS-L. Visit > https://listserv.jmu.edu/archives/vadcfll-ANNOUNCEMENTS-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-ANNOUNCEMENTS-L. Visit https://listserv.jmu.edu/archives/vadcfll-ANNOUNCEMENTS-l.html to subscribe.