RE: Commands for 4x20 Character Lcd display JHD 204A
Hmmm, 20x4 and 16x2 should be almost similar. The character addresses i.e. "positions" should be shown in the LCD's datasheet.
Usually they're at 0x80 and 0xC0 for 1st and 2nd line, and 3rd and 4th follow respectively from 1st and 2nd.
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