1/16 step A482 controller
1.8deg/step

                      Arduino register physical pin
#define X_STEP_PIN         15 = PD7 => 16
#define X_DIR_PIN          21 = PC5 => 24
#define X_MIN_PIN          18 = PC2 => 21

#define Y_STEP_PIN         22 = PC6 => 25
#define Y_DIR_PIN          23 = PC7 => 26
#define Y_MIN_PIN          19 = PC3 => 22

#define Z_STEP_PIN         3  = PB3 => 43
#define Z_DIR_PIN          2  = PB2 => 42
#define Z_MIN_PIN          20 = PC4 => 23

#define E0_STEP_PIN         1 = PB1 => 41
#define E0_DIR_PIN          0 = PB0 => 40

#define LED_PIN            27 = PA3 => 34

#define FAN_PIN            4  = PB4 => 44

#define HEATER_0_PIN       13 = PD5 => 14 // extruder

#define HEATER_BED_PIN     12 = PD4 => 13 // bed

#define X_ENABLE_PIN       14 = PD6 => 15
#define Y_ENABLE_PIN       14 = PD6 => 15
#define Z_ENABLE_PIN       26 = PA2 => 35
#define E0_ENABLE_PIN      14 = PD6 => 15

#define TEMP_0_PIN          7 = PB7 => 3  // Analogue pin
#define TEMP_BED_PIN        6 = PB6 => 2  // Analogue pin
#define SDSS               31 = PA7 => 30

#define SLAVE_CLOCK	   16 = PC0 => 19