Competition proven
Runs two of the biggest sumo events in Romania with hundreds of matches completed.
Competition Hardware
Start Stop Module V2
The tiny referee with an iron fist
This small board runs the chaos at sumo competitions. Built on the Attiny 816 series with a hardened firmware stack. Flawless starts. Instant kills. Robots obey it without question.
Trusted in national tournaments. Contact us for team packs and event supply.
€10
Contact us
Made for competitions. Priced like we want you to actually buy it.
Specs and delivery
Everything needed to control match flow. Lightweight reliable and impossible to argue with.
- Attiny 816 MCU platform.
- Handles 3 to 5.5 volt input without complaining.
- Four pin interface V G S K for absurd simplicity.
- Dedicated Start and Kill lines with zero latency.
- Under ten grams with headers installed.
- 12.5 by 10.5 mm footprint that vanishes inside your robot.
- Backwards compatible with all previous Shobolinsky remote systems.
- Already used in two of the three largest sumo robotics events in Romania.
- Rated for hundreds of matches per day without timing drift or false triggers.
Authority built in
A tiny board that has seen enough chaos to develop a personality. All of them strict.
Backward compatible
Old remotes. Old logic. Old workflows. Everything still works. Just plug it in and relax.
Obscenely small
Barely bigger than a fingernail yet capable of stopping robots that weigh more than your weekend regrets.
Instant compliance
Robots follow its Start and Kill lines with absolute obedience. No debate. No ego. Just results.
Why we built it
Every sumo competition has one universal truth. The robots are heavy the motors scream and everything wants to start early. Someone needs to keep the peace. That someone is this board. It sits there quietly telling enormous machines when they are allowed to move and nobody questions its authority.
The Start Stop Module V2 is rebuilt on the Attiny 816 which fixes timing jitter improves brownout recovery and gives the firmware room to grow. The pinout stays the same so every team and referee gets to relax. Plug in V and G. Wire S and K. Enjoy instant control.
We tested this thing in real matches where robots slam into borders flip over and scream for mercy. None of that bothered it. It stayed calm which is more than we can say for some of the referees.
The module protects fairness. It enforces rules. It prevents accidental chaos. It keeps your expensive robot from launching early and collecting a penalty. It is basically a miniature insurance policy that never files paperwork.
You buy one because you want your match to start clean. You buy a dozen because your team expands and they all want the same thing. Peace of mind and a tiny authoritative creature living inside their robot chassis.
Start and Kill logic
The two signal lines are clean isolated and predictable. No surprises. No hidden states.
Orbital spin test
Tiny module. Maximum ego.
The Start Stop Module V2 may be small but it has personality. It survives resets brownouts competitor meltdowns and emotional feedback from stressed builders. Letting it float and spin for a moment is the closest thing it gets to therapy.
What you see here is exactly what ships. Clean soldermask crisp text gold pads and no filters. Just the same tiny tyrant that tells three kilogram robots when they are allowed to move.
For event organizers
Your competition deserves hardware that does not panic
Sumo events get loud fast. Robots fire up early. People shout. Someone forgets the rules. Your judging staff should not battle the hardware on top of all that.
We can supply standardized packs for all teams so everybody follows the exact same timing baseline. Same firmware. Same behavior. Perfect sync across arenas.
We handle team packs and organizer bundles. You handle the chaos and the prize money.
Bulk and event bundles
- Standardized packs for participating teams
- Referee grade modules flashed and tested
- Firmware matched across all units
- Custom labeling for competition logistics
- Special pricing for schools and organizers
Running a whole league or just too many teams
We can ship ten twenty fifty or an entire box. If your event needs consistent timing this is the cheapest peace treaty you will ever sign.
Request bulk pricing