Its read and write operations, screen and cursor operations are performed by programming commands (Note: 1 - high level, 0 - low level).The liquid crystal display module is a slow display device, so before executing each instruction, you must confirm that the module busy flag is low, indicating that it is not busy, otherwise this instruction will be invalid. To display characters, you must first enter the address of the character displayed, that is, tell the module where to display the characters.When initializing the LCD module, you must first set the display mode. When the LCD module displays characters, the cursor automatically moves to the right without manual intervention. Therefore, before each command entry, it is necessary to determine whether the LCD module is busy.
Its read and write operations, screen and cursor operations are performed by programming commands (Note: 1 - high level, 0 - low level).<br>The liquid crystal display module is a slow display device, so before executing each instruction, you must confirm that the module busy flag is low, indicating that it is not busy, otherwise this instruction will be invalid. To display characters, you must first enter the address of the character displayed, that is, tell the module where to display the characters.<br>When initializing the LCD module, you must first set the display mode. When the LCD module displays characters, the cursor automatically moves to the right without manual intervention. Therefore, before each command entry, it is necessary to determine whether the LCD module is busy.
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