{ "development_board": "blackpill_f411", "matrix_pins": { "cols": ["B1", "B0", "A7", "A6", "A5", "A4"], "rows": ["B12", "B13", "B14", "B15", "A8", "A9", "A10"] }, "diode_direction": "COL2ROW", "split": { "enabled": true, "bootmagic": { "matrix": [7, 0] } }}