qmk_firmware/keyboards/1upkeyboards/pi40/config.h

// Copyright 2022 ziptyze (@ziptyze)
// SPDX-License-Identifier: GPL-2.0-or-later

#pragma once

#define I2C1_SCL_PIN        GP17
#define I2C1_SDA_PIN        GP16
#define I2C_DRIVER I2CD0
#define OLED_BRIGHTNESS 128
#define OLED_FONT_H "keyboards/1upkeyboards/pi40/lib/glcdfont.c"