(iv) Although CGRAM limits unique custom characters (CCs) to eight, they can be repeated up to the size of the display (e.g., 32 CCs for a 16x2 LCD, 40 for a 20x2 LCD, or 80 for a 20x4 LCD). (v) Eight ...

This Arduino code creates a scrolling marquee on a 20x4 I2C LCD display, ... Connect your 20x4 I2C LCD display to the Arduino according to its I2C address (default is 0x27). Adjust the address in the ...