arduino-esp32/variants/bpi-bit/pins_arduino.h

#ifndef Pins_Arduino_h
#define Pins_Arduino_h

#include <stdint.h>
#include "soc/soc_caps.h"

static const uint8_t BUZZER = 25;

static const uint8_t BUTTON_A = 35;
static const uint8_t BUTTON_B = 27;

// RGB LED Matrix 5 x 5
static const uint8_t RGB_LED = 4;

// BUILTIN_LED can be used in new Arduino API digitalWrite() like in Blink.ino
#define LED_BUILTIN (RGB_LED + SOC_GPIO_PIN_COUNT)  // Just a single LED in the Matrix
#define BUILTIN_LED LED_BUILTIN                     // backward compatibility
// RGB_BUILTIN and RGB_BRIGHTNESS can be used in new Arduino API rgbLedWrite()
#define RGB_BUILTIN    LED_BUILTIN
#define RGB_BRIGHTNESS 64
static const uint8_t LIGHT_SENSOR1 = 36;
static const uint8_t LIGHT_SENSOR2 = 39;

static const uint8_t TEMPERATURE_SENSOR = 34;

static const uint8_t MPU9250_INT = 0;

static const uint8_t TX = 1;
static const uint8_t RX = 3;

static const uint8_t SDA = 21;
static const uint8_t SCL = 22;

static const uint8_t SS = 5;
static const uint8_t MOSI = 23;
static const uint8_t MISO = 19;
static const uint8_t SCK = 18;

static const uint8_t P0 = 25;
static const uint8_t P1 = 32;
static const uint8_t P2 = 33;
static const uint8_t P3 = 13;
static const uint8_t P4 = 15;
static const uint8_t P5 = 35;
static const uint8_t P6 = 12;
static const uint8_t P7 = 14;
static const uint8_t P8 = 16;
static const uint8_t P9 = 17;
static const uint8_t P10 = 26;
static const uint8_t P11 = 27;
static const uint8_t P12 = 2;
static const uint8_t P13 = 18;
static const uint8_t P14 = 19;
static const uint8_t P15 = 23;
static const uint8_t P16 = 5;
static const uint8_t P19 = 22;
static const uint8_t P20 = 21;

static const uint8_t DAC1 = 25;
static const uint8_t DAC2 = 26;

#endif /* Pins_Arduino_h */