XS1 Micro Sumo Robot Kit


The XS1 Micro Sumo Robot Kit is a great way to begin in the world of micro sumo robots.

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It will challenge you to think up new and creative ways to win your opponents. With 4 sensors (3 Opponent Sensor, 1 Line Sensor) and 2 gear motors built-in, we’ve made it easy for you to work and build your own robot and go head-to-head with opponents.

You can even program your robots with the XMotion Micro Controller based on Arduino software. (Arduino Leonardo bootloaded mcu)

The XS1 is under 100 grams and under 5 cm in length, height and width (fits to all official micro sumo robot rules).

Each body part is specially designed for basic assembly and fast fixing if needed between robot matches.

Technical Features of Micro Sumo Robot Kit

  • 49mm width, 49.5mm length, 47mm height.
  • 94 grams weight

You’ll receive a complete micro sumo robot kit ready for battle. The XS1 is the first in a series of made-for-fun micro sumo robots. It’s designed to be small & portable so you can take it with you.

What’s more, the XS1 is completely customizable.  Paint with your own style. Attach extra modules like bluetooth or robot start module.

Hardware Side of Micro Sumo Robot, Some Part features that coming with this Kit

XMotion Micro Robot Controller Board

It is micro sized robot controller board for this micro sumo robot kit coming with Atmega 32u4 Mcu and 1A x 2 Dual motor driver. Board can work between 7V to 15V with plenty of I/O to attach sensors or modules. Controller can be programmed with Arduino software via micro usb cable (Cable is included to kit)

XMotion Micro’s 2 user buttons can be programmed for starting tactics or start/stop functions. Also 2 user led can help you to identify which mode of robot is working while code development.

JS40F Infrared Opponent Sensors

Kit includes 3 piece of JS40F sensor. These sensors are very popular choice amongst robot builders worlwide. They are digital infrared sensors that can detect from up to 60cm! Micro sumo robot will easily find the opponent with 3 sensors facing front, left and right. What is more that these sensors have wide sensing angle that 1 sensor for each side will cover broad angle that it won’t have any dead band, not seen corners.

ML1 Line, Edge Sensor

Used for sensing white line at the edge of dohyo. Fits under front of robot. Analog output sensor is used for better detection of white line, not dohyo surface scratches (Dohyo: Sumo robot wrestling round area)

DC Micro Gear Motors

Strong 6V gear motors overvoltaged up to 12V.  They are high torque motors that no opponent can stop in front of them.

Body Parts

Body includes 3 machined part from engineering plastic that can be unassembled with only 4 x M2 screws.

Micro Sumo Robot’s Blade

Traditional 10mm width, 0.3mm thickness double sharpened blade is used. Blade is attached via double sided strong tape that if needed can be easily replaced. For children play and safety, we recommend not attaching blade at tests. The blade support angle is designed as 20 degrees so that the robot can go under of opponent easily.

Super Grip & Light Silicone Wheels

Wheels are engineered for maximum traction and lightweight for minimum inertia. After each match we recommend cleaning with IPA alcohol based cleaner like cologne or wet towels. Clean, alcohol wiped wheels will have much higher adhesion. You won’t believe the difference 🙂 Wheels attached to motor shafts with M3 x 8mm setscrews.


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