{ "keyboard_name": "BDN9 Rev. 2", "usb": { "pid": "0x2133", "device_version": "2.0.0" }, "processor": "STM32F072", "bootloader": "stm32-dfu", "matrix_pins": { "direct": [ ["B12", "B5", "B6"], ["B14", "B4", "B7"], ["A3", "F1", "F0"] ] } }