Matrix Orbital DD-DB1 LCD/VFD Dev Board - Manual (Page 20)

2. Text
2.1.Control Characters*
8 (08Hex) Backspace 10 (0AHex) Line feed/New line 12 (0CHex) Clear screen/New page 13 (0DHex) Carriage return
*Note: Regular text can be sent using regular alphanumeric strings or individual character values, starting at 65.
2.2.Auto Scroll
On
Dec
Hex
ASCII 254 81
FE 51
Q ■
Entire contents of screen are shifted up one line when the end of the screen is reached. Display default is auto scroll on.
2.3.Auto Scroll
Off
Dec
Hex
ASCII
254 82
FE 52
R ■
New text is written over the top line when the end of the screen is reached. Display default is auto scroll on.
2.4.Clear Screen Dec
Hex
ASCII
254 88
FE 58
X ■
Clears the contents of the screen.
2.5.Changing the
Startup Screen
Dec
Hex
ASCII
254 64
FE 40
@ ■
Characters
Characters
Characters
Changes the message displayed on startup. Custom characters can be included by adding their decimal value (0-7).
Characters will automatically wrap on the display.
Characters 40 bytes for 20x2 screen, 80 bytes for 20x4
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