2 layers100 × 40 mm

Ddr ps2-controller
kcuzner/ddr-ps2-controller
A Dance Dance Revolution Controller for the PlayStation 2
79 parts5
Boards in 1 GitHub repository, designed in KiCad, that use the ATTINY20-MMH by Microchip Technology (-40℃~+85℃ 1.8V~5.5V 10bit 12 128Byte 12MHz 2KB 8 Bit AVR Built-in FLASH VQFN-20(3x3) Microcontrollers (MCU/MPU/SOC) ROHS). See how each wires it, with its parts, size, README and files; the ATTINY20-MMH’s symbol, footprint and pinout are on its own page.

kcuzner/ddr-ps2-controller
A Dance Dance Revolution Controller for the PlayStation 2