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What is SIMINPUT
We make button boxes that are modular, affordable, configurable in your browser, and easy to assemble yourself, with extremely high customizability. The whole hardware design is open source, from the firmware to the CAD and the PCB. You can order a box as a kit or as a fully assembled unit.
Details about mounting, modules & electronicsOpen source freedom
Design a new module, wire in your own parts, or change how the box behaves. The hardware design is open and documented.
Backlit custom labels
Set the text on the backlit labels so you never forget what a control does.
Expandable and adaptable
Replace a label or swap a module down the line to keep your box useful forever.
Start from a template
Pick a template and customise it!
Module Types
Six module types to choose from. Each module is 3×6 cm and snaps into any compatible slot.


Rotary Switch
€6 / €5Available as a two-slot 8-position module (€6) or a 5-position single slot variant (€5). Includes a customizable label for each position.


Gear / Hook Lever
€6Custom built physical gear or hook lever with secure pulling action.


Dual-Position Module
€6Two independent positions with 4 included customizable labels each. Configurable as a switch, rotary encoder, or tactile button.

Guarded Switch
€6A 2-way toggle switch under a red flip cover. Includes three customizable labels, one at the top, and two for each switch position.

Key Module
€4Three mechanical square keys. Smooth action and a clear stop.

Cover Module
€1Fill unused slots cleanly. Keeps the box looking finished even if you don't need all six slots.
More modules in development.


