Senju Winner of All Japan International Robot Sumo December 2014 (26th)

Senju Winner of All Japan International Robot Sumo December 2014 (26th)


I started to design with my team (H-Tech Robot Team) at the beginning of first moths of 2014 at Istanbul, Turkey.

Senju Robot won 4th degree at 26th (2014) All International Robot Sumo Tournament. The tournament which held at Tokyo, Japan.



All Mechanics is custom designed. I used aluminum and steel for mechanics.


Magnet Locations.


We designed Mosfet H Bridge circuit for controlling Maxon DCX motors.


2014 All Japan Robot Sumo Winners (RC and Autonomous) Mine is at the left.


Robot’s front with custom made sharp blade.

Senju Robot’s Videos




You can find lots of information at videos.

If you have any questions. Please comment to below. I will try to help.


Emre Tarhana – February 2015

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Comments (15)

  • Cristian Reply

    Hello, just one question, how is it possible to arrive to 6.5m/s with those motors and that reduction? … I can’t understand.

    May 18, 2015 at 1:08 AM
  • Ana Renteria Reply

    Hello fellow robot designer, I noticed in your chassis there are no line sensors. How does your robot can stay in the limit of the arena?

    May 27, 2015 at 5:57 PM
  • yucel Reply

    your motor driver was readymade or did you make it

    June 7, 2015 at 1:45 PM
    • Firat Dede Reply

      Custom made by Emre Tarhana. Please search “open source motor controller” project.

      April 2, 2017 at 7:34 PM
  • Adam Reply

    Hey, do you know if there are any such events in the Czech Republic? I don’t know anyone practicing this so there’s not someone I can really talk to about the mini sumo robots, how to build them or a training partner. This is a great sport, too bad it’s not more known and not more people are doing this.

    September 14, 2015 at 9:39 PM
  • Erik Reply

    I always wanted to participate in such events, but in my university, they don’t organize such kind of events. But thank to you that we are able to watch great videos and it inspires us so much.

    September 16, 2015 at 3:12 PM
  • Nathalia Reply

    I always wish to be a participant, but my university doesn’t hold this kind of event. I really appreciate your effort in uploading this great videos….

    September 16, 2015 at 7:45 PM
  • yefer alejandro Reply

    Perhaps this mistranslated, I speak Spanish ….
    I like that I will collaborate with H-bridge circuit mosfets, I’m really interested in this …. I would like to help.

    September 26, 2015 at 1:05 AM
  • luis fernando Reply

    that type of material used for the ramp sumo

    April 28, 2016 at 8:07 AM
  • Lucas Santiago Reply

    Which sensor do you guys use to detect and attack the opponent? Do you use the same sensor to detect the white line too? Thanks!

    October 30, 2016 at 11:12 PM
    • Firat Dede Reply

      Omrons, Keyences for opponent detection. and QTR1A for white line detection.

      April 2, 2017 at 7:39 PM
  • Eduardo B Reply

    Hi, I would know if You could share the schematic of the motor driver. Thank you

    November 19, 2016 at 8:26 PM

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