Welcome to Goon-Bench: The modern 3D microcontroller and robotics CAD simulator. Free to use with real-time physics and circuit simulation.

Build it before you buy it.

Put real parts on a 3D bench, wire them pin to pin, write the code and watch it run. Design your own parts, then drive your robot on a competition field, right in your browser.

Runs code on 159 boards, and LEGO SPIKE, VEX, FTC and FRC robot programs.

Goon-Bench leaves beta on January 1, 2027

That’s the full release. Until then you’re using the beta.

Release time: 12:00 AM Pacific time, January 1, 2027.

Made for makers, robotics teams and classrooms

Real electronics and real robot code, without waiting for parts or worrying about breaking them.

The Goon-Bench app split into areas: the parts library, the robot car on the 3D bench with Top, Front and Right views, and its properties
Parts on the left, your bench in the middle, checks and properties on the right. Split any area, like in Blender, to add Top, Front and Right views, the schematic or the serial monitor.

Mistakes cost nothing

Wire it wrong, short a battery or burn an LED with Safety mode off. Nothing breaks for real, and the checks explain what happened.

Real parts, real sizes

Boards, sensors and robot kits from real catalogs, with their pins where the real ones are, so what you build is what you buy.

Your team’s real code

SPIKE and VEXcode Python, FTC and FRC Java: press Run and watch your autonomous drive on its real field, with encoders, sensors and the real time limit.

Lab tools

A multimeter, an oscilloscope and a pin timeline measure the circuit while it runs.

Ready for the classroom

Nothing to install: it runs in the browser, on Chromebooks too. Lessons check every step, in six languages.

Exports engineers use

A KiCad board and netlist, a parts list to buy from, STL files for printing and the Arduino code.

Learn Goon-Bench

A free course, from your first LED to a robot on its field. Every lesson has a mini Goon-Bench window where you wire, build and code it yourself.

    Syllabus

    What’s new

    ProGoon-Bench Pro is on its wayIn developmentProfessional tools on top of everything Goon-Bench does, for designing parts, making them and running a workshop. Coming soon.

    About us

    Goon-Bench was created by the Goon-Bench Team, and we continue to develop and expand it for makers worldwide.

    We made it so anyone can try a circuit or a robot before they have the parts, without the risk of burning out a board. It’s for students, makers and robotics teams, completely free to use.

    More about Goon-Bench

    Goon-Bench

    Getting your bench ready

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