text: #ifndef PIXEL_CONTROLLER_CONSTS
  #define PIXEL_CONTROLLER_CONSTS
  
  #ifndef I2C_ADDRESS
  #define I2C_ADDRESS 8
  #endif
  
  #define DIGITAL_PD0 0
  #define DIGITAL_PD1 1
  #define DIGITAL_PD2 2
  #define DIGITAL_PD3 3
  #define DIGITAL_PD4 4
  #define DIGITAL_PD5 5
  #define DIGITAL_PD6 6
  #define DIGITAL_PD7 7
  #define DIGITAL_PB0 8
  #define DIGITAL_PB1 9
  #define DIGITAL_PB2 10
  #define DIGITAL_PB3 11
  #define DIGITAL_PB4 12
  #define DIGITAL_PB5 13
  #define DIGITAL_PC0 14
  #define DIGITAL_PC1 15
  #define DIGITAL_PC2 16
  #define DIGITAL_PC3 17
  #define DIGITAL_PC4 18
  #define DIGITAL_PC5 19
  
  #define LIMMIT_SWITCH_PIN DIGITAL_PD1
  
  #define PIXEL_COUNT 4
  
  #endif