{ "usb": { "shared_endpoint": { "keyboard": true } }, "matrix_pins": { "cols": ["A5", "A6", "A7", "B0", "B1", "B10"], "rows": ["A4", "A3", "A2", "A1", "A0"] }, "diode_direction": "COL2ROW", "ws2812": { "driver": "pwm" }, "processor": "STM32F401", "bootloader": "stm32-dfu", "features": { "bootmagic": true, "mousekey": true, "extrakey": true, "nkro": true, "rgblight": true }, "board": "BLACKPILL_STM32_F401" }