qmk_firmware/keyboards/mectechpad/config.h

// Copyright 2025 Jack Sachinidhs (@jacksaxi)
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
/* LED pin definitions */
#define LED_PIN_LAYER_0 GP12
#define LED_PIN_LAYER_1 GP11
#define LED_PIN_LAYER_2 GP10
#define LED_PIN_LAYER_3 GP9

/* matrix mask for direct pin switch */
#define MATRIX_MASKED