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Frequently Asked Questions
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June 18, 2009
about 5 years ago
Yes you can, but you are limited to only 8 custom characters. First define 8 bytes that will hold your custom character, one byte per line (obviously only the lower 5 bits can be used since this is a 5x8 display). Then decide which character (from 0-7) you want to set. Call this “x”. Then do this pseudocode:
for(i = 0; i < 8; i++)
lcd.print(0xFE, BYTE); // Send command
lcd.print(0x40 | (x << 3) | i, BYTE); // Set the CGRAM address
lcd.print(character_data[i], BYTE); // Set the character
lcd.print(0x80, BYTE); // Set the cursor back to DDRAM
To use your custom character, use:
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