REM! Mini Sumo

REM! Mini Sumo

Firstly, I design my minisumo on solidworks and  I built it on a our 3 axis CNC machine. This robot participated in the RobotChallenge 2013 which is the most popular robotic organization in Europe.

minisumo-rem-cad-with-sensors-2 minisumo-rem-cad-with-sensors

minisumo-rem-old-cad minisumo-cad-robot-bottom


Robot’s chassis is made at our CNC Machine


We used Mach3 software for interfacing cnc with computer.



  • DC motor 650rpm 3.2kg/cm torque
  • PRO4550-usb Controller Card
  • 30 shore silicon wheels. (Radius is 32mm)
  • 2 micro servo (metal gear box)  motor for flags
  •  QTR1A Edge Sensors
  • 3 Pepperl Fuchs sensors which are the industrial diffuse type sensors






Flags is very crucial for winning. Unfortunately, that was broken in the match.


Rem minisumo robot pushes other robot from the ring

Rem minisumo robot pushes other robot from the ring



I don’t want to believe that 🙂

REM! can fly on the ring when contender was faster than REM!.. It is bad lucky this times.

IMG_7206 IMG_7207 IMG_7208 IMG_7203 IMG_7205


So it will be stronger and faster than now. I have improved REM!’s mechanical and software.


Main Board



PRO4550-usb was designed by me. It has 2 motor drivers ( Toshiba TB6612FNG, 2 amper for one channel) and main microprocessor is the PIC18f4550.

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Comments (2)

  • phil Reply

    “DC motor 650rpm 3.2kg/cm torque”
    where can I get one of these cool motors?

    June 15, 2015 at 3:38 PM
  • Mutevazi Reply

    Hi! I’m from Kazakhstan. I want to build a good mini sumo robot like yours) But unfortunately robotics only started to develop in our country, so I can’t find good details. I need your help. Looking forward to have a business with you!)

    January 21, 2016 at 8:40 PM

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