added pins for nema motor setup on esp32

Author: andre-stefanov

Software/Arduino code/OpenAstroTracker/Configuration_adv.hpp

@@ -282,6 +282,3 @@
 #if RA_RMSCURRENT > 2000 || DEC_RMSCURRENT > 2000
 #error "Do you really want to set the RMS motorcurrent above 2 Ampere? Thats almost 3A peak! Delete this error if you know what youre doing" 
 #endif
-#if RA_STEPPER_TYPE != STEPPER_TYPE_28BYJ48 && ESP32
-#error "Sorry, ESP32 only supports 28BYJ48 steppers at this moment"
-#endif

Software/Arduino code/OpenAstroTracker/Configuration_pins.hpp

@@ -63,9 +63,9 @@
 // ESP32
 ////////////////////////////////////////////////////////////////////
 #ifdef ESP32
-  #if (RA_STEPPER_TYPE != STEPPER_TYPE_28BYJ48) || (DEC_STEPPER_TYPE != STEPPER_TYPE_28BYJ48)
-    #error Only 28BJY-48 stepper motors are supported on the ESP (for now)
-  #endif
+  // #if (RA_STEPPER_TYPE != STEPPER_TYPE_28BYJ48) || (DEC_STEPPER_TYPE != STEPPER_TYPE_28BYJ48)
+  //   #error Only 28BJY-48 stepper motors are supported on the ESP (for now)
+  // #endif
 
   // RA Motor pins
   #define RA_IN1_PIN  19  
@@ -79,6 +79,31 @@
   #define DEC_IN3_PIN  5   
   #define DEC_IN4_PIN  18  
 
+  // If using NEMA steppers
+  #define RA_STEP_PIN 19  // STEP
+  #define RA_DIR_PIN  21  // DIR
+  #define RA_EN_PIN   22  // Enable
+  #define RA_DIAG_PIN 23  // only needed for autohome function
+  #define RA_MS0_PIN  4
+  #define RA_MS1_PIN  0
+  #define RA_MS2_PIN  2
+
+  //RA TMC2209 UART specific pins
+  #define RA_SERIAL_PORT Serial2  // HardwareSerial port, wire to TX2 for write-only
+  #define RA_DRIVER_ADDRESS 0b00  // Set by MS1/MS2. LOW/LOW in this case
+
+  #define DEC_STEP_PIN 16  // STEP
+  #define DEC_DIR_PIN  17  // DIR
+  #define DEC_EN_PIN   5   // Enable
+  #define DEC_DIAG_PIN 18  // only needed for autohome function
+  #define DEC_MS0_PIN  15
+  #define DEC_MS1_PIN  8
+  #define DEC_MS2_PIN  7
+
+  //DEC TMC2209 UART specific pins
+  #define DEC_SERIAL_PORT Serial2  // HardwareSerial port, wire to TX2 for write-only
+  #define DEC_DRIVER_ADDRESS 0b01  // Set by MS1/MS2 (MS1 HIGH, MS2 LOW)
+
 #if AZIMUTH_ALTITUDE_MOTORS == 1
   #define AZ_IN1_PIN 38
   #define AZ_IN2_PIN 40