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RP2040 · USB-C

The controller board every box is built on. RP2040, USB-C, standard GPIO, no proprietary protocol.

25-pack

Crimped connector pack for wiring modules to the board. Sold with a PCB, two packs per board.

1 slot · vertical

A ribbed gear knob on a lever. The top position locks in and needs a pull to release.

1 slot · vertical

The same lever with a hook-shaped knob, for when you want to tell it apart by feel.

1 slot

Three mechanical square keys side by side, with a clear stop at the bottom of the press.

1 slot

Two independent positions, each set up as a switch, a rotary encoder, or a tactile button.

1 slot

Five-position rotary switch that clicks between discrete positions. Great for anything with more than three states.

2 slots

The same click-rotary mechanism with eight positions and a wider sweep, across two slots.

1 slot · vertical

A toggle under a red flip cover. Closing the cover flips the switch back off.

1 slot

A flat printed cover that fills a slot you do not need a control in.