Help with 2 steppermotors controlled by potentiometers

DaveX · April 10, 2024, 1:37am

No? I think the LiquidCrystal_I2C lcd(0x27, 16, 2); defines the I2C address as 0x27, and the 16 columns by 2 rows display size, not a pin number.

github.com

johnrickman/LiquidCrystal_I2C/blob/738765e388816fb2a687d40436cd2604febce1b1/LiquidCrystal_I2C.h#L57


      
          // flags for backlight control

          #define LCD_BACKLIGHT 0x08

          #define LCD_NOBACKLIGHT 0x00

          

          #define En B00000100  // Enable bit

          #define Rw B00000010  // Read/Write bit

          #define Rs B00000001  // Register select bit

          

          class LiquidCrystal_I2C : public Print {

          public:

            LiquidCrystal_I2C(uint8_t lcd_Addr,uint8_t lcd_cols,uint8_t lcd_rows);

            void begin(uint8_t cols, uint8_t rows, uint8_t charsize = LCD_5x8DOTS );

            void clear();

            void home();

            void noDisplay();

            void display();

            void noBlink();

            void blink();

            void noCursor();

            void cursor();

            void scrollDisplayLeft();

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Help with 2 steppermotors controlled by potentiometers

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