qmk_firmware/keyboards/lfkeyboards/lfk78/revb/config.h

#pragma once

/* key matrix size */
#define MATRIX_ROWS 10
#define MATRIX_COLS 8

/*
 * Keyboard Matrix Assignments
 *
 * Change this to how you wired your keyboard
 * COLS: AVR pins used for columns, left to right
 * ROWS: AVR pins used for rows, top to bottom
 * DIODE_DIRECTION: COL2ROW = COL = Anode (+), ROW = Cathode (-, marked on diode)
 *                  ROW2COL = ROW = Anode (+), COL = Cathode (-, marked on diode)
 *
 */
#define MATRIX_ROW_PINS { B0, B1, B2, B3, B4, F0, F1, F4, F5, F6 }
#define MATRIX_COL_PINS { E6, F7, D2, D3, D4, D5, D6, D7 }
#define UNUSED_PINS

#define RGBLED_NUM 31