USB-C TKL Hall-effect keyboard with hot-swap switches, rotary encoder, ESD protection, and app-configurable firmware architecture.

Production-intent USB-C macropad based on ATmega32U4 TQFP-44 with 11 Cherry-MX hotswap keys, EC11 encoder, per-key diodes, USB ESD protection, and deferred routing until case STEP alignment.

Production-intent USB-C macropad based on ATmega32U4 TQFP-44 with 11 Cherry-MX hotswap keys, EC11 encoder, per-key diodes, USB ESD protection, and deferred routing until case STEP alignment.

Compact 4×4 ortholinear custom macropad with RP2040-Zero, 14 MX hot-swap positions, 2 EC11 encoders, 4 layer LEDs, USB protection, and JLCPCB-compatible 2-layer PCB layout for a 3D-printed enclosure.