Post Tagged with: "Rotacaster"

  • Rotacaster wheels now available from HiTechnic

    Rotacaster wheels now available from HiTechnic

    Ramblings November 14, 2011 08:42 2 comments

    HiTechnic have started selling the Rotacaster wheels now as well.  That’s great news for people who live State-side.  Now you won’t have to worry about US customs intercepting your nice wheels and using them for something themselves. HiTechnic is selling them in packs of two and you can get right […]

  • Rotacaster wheel contest: 10 days left!

    Rotacaster wheel contest: 10 days left!

    Ramblings November 14, 2011 08:30 no comments

    Don’t forget that if you want to win 3 of those awesome Rotacaster wheels, you have only 10 days left to submit your idea to xander_at_botbench_dot_com (fix the address). You MUST put the words “ROTACASTER GIVE AWAY” in the subject. More details can be found here: [LINK].

  • Sometimes you win…sometimes you get omni-humped.

    Sometimes you win…sometimes you get omni-humped.

    NXT November 7, 2011 22:55 4 comments

    I was working on an omniwheeled robot last night, trying some code that would ensure the vehicle would go straight even if the motors were not perfectly in sync.  Unfortunately, there seemed to be a bit of a bug in the code which lead to some pretty erratic behaviour. So […]

  • Rotacaster wheel contest!

    Rotacaster wheel contest!

    Ramblings November 1, 2011 23:27 8 comments

    Feeling lucky? So you feeling lucky, punk?  Well, do you?  If you so, why not enter the Rotacaster wheel contest?  There are three sets of three wheels to give away. One set of each of the wheels below. Hardness: S35A (soft) Hardness: S35A (soft) Hardness: S65A (harder) They’re all compatible with […]

  • New Rotacaster Wheels

    New Rotacaster Wheels

    NXT, Robots April 13, 2011 12:13 8 comments

    These are the new Rotacaster wheels that arrived Monday morning. The one with the orange hub has dark grey, soft, very grippy rollers; the wheel with the dark grey hub  has slightly harder, orange rollers. These are the latest prototypes and they have undergone some great improvements; the rollers roll […]

  • Do You Like NXT-G and Trig?

    Ramblings January 14, 2011 16:39 3 comments

    Thanks to the hard work of Gus Jansson of HiTechnic, you can now do sin, cos and atan2, all from the comfort of your NXT-G programming environment!  How cool is that? Just go to this page and scroll to the bottom.  There are integer versions for NXT-G 1.0 and floating […]

  • Rotacaster One-Kit Omniwheel Program Update

    NXT, Robots January 6, 2011 12:00 2 comments

    I made some updates to the line following program for the Rotacaster One-Kit Omniwheel robot.  This version 2.0 allows you to adjust the Gain and Power variables by turning the back wheels back and forth.  When you’re happy with the values, you can hit one of the bumpers and it’ll […]

  • Rotacaster One-Kit Omniwheel

    NXT, Robots December 20, 2010 21:16 7 comments

    As I was building one of my previous omniwheel frames, I wondered if I could rebuild it using nothing more than the parts that came with an NXT 2.0 Retail kit and three Rotacaster omniwheels.  After a few hours I came up with this: Quite nice and a pretty stiff […]

  • Another Omniwheeled Robot

    NXT, Robots December 12, 2010 11:00 4 comments

    Earlier this week I received another package from Rotacaster with some more wheels for me to test and play with.  These ones had new molded hubs, instead of the white 3D printed ones. The grip on the axles is much better now and they’re still working on making them even […]

  • Apollo, The Littlest LineLeader

    NXT, ROBOTC, Robots, Sensors November 29, 2010 15:11 1 comment

    This is Apollo, the smallest NXT based line follower I’ve ever made.  It’s loosely based on A-Maze-Ing, which I designed and built quite a while ago. Apollo is equipped some pretty cool stuff: The new Mindsensors Numpad A Mindsensors LineLeader sensor Two Rotacaster wheels The program in this robot is […]