text: //SPI Pins
  #define SCLK_PIN 14
  #define MOSI_PIN 13
  #define MISO_PIN 12
  
  //ADF Pins
  #define LE_PIN 27
  #define CE_PIN 25
  
  // Pins M1
  #define EN_PIN_M1    26  
  #define DIR_PIN_M1   32  
  #define STEP_PIN_M1  33  
  #define CS_PIN_M1    25  
  
  #define DIAG1_PIN_M1 4 // used for homing 
  
  // Pins M2
  #define EN_PIN_M2    17  
  #define DIR_PIN_M2   19  
  #define STEP_PIN_M2  18  
  #define CS_PIN_M2    5 
  
  #define DIAG1_PIN_M2 2 // used for homing
  
  //ADC Pin
  #define REFLECTION_PIN 15
  
  // Filter Bank
  #define FILTER_SWITCH_A 22
  #define FILTER_SWITCH_B 23
  