30058 Parallax Inc, 30058 Datasheet - Page 48

• Manufacturer Part Number: 30058
• Description: SER LCD 4X20 W/KEYBRD INTERFACE
• Manufacturer: Parallax Inc

Specifications of 30058

• Interface: Serial
• Display Type: LCD - Monochrome
• Display Mode: Reflective
• Viewing Area: 82.20mm L x 18.20mm W
• Backlight: LED - White
• Character Count X Line: 20 x 4
• Module Size (w X H X T): 98 mm x 60 mm x 27.5 mm
• Voltage Rating: 4.75 V to 5.25 V
• Operating Temperature Range: 0 C to + 50 C
• For Use With: 27963 - SOLUTIONS CUBED: MEMKEY
• Dot Size: -
• Dot Pitch: -
• Dot Pixels: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: Q2089249

10.5 Set and Save Brightness
10.6 Set Contrast
Matrix Orbital
Description
Remembered
Factory Default
Syntax
Parameters
Description
Remembered
Syntax
Parameters
This command sets the display [brightness]. If the remember function is
on, this command acts the same as ’Set and Save Brightness’.
Yes
255
This command sets and saves the display [brightness] as default.
Always
Hexadecimal
Decimal
Parameter
brightness
Hexadecimal
Decimal
ASCII
Parameter
contrast
0xFE 0x98 [brightness]
254 152 [brightness]
0xFE 0x50 [contrast]
254 80 [contrast]
254 “P” [contrast]
LK204-25
Length
Length
1
1
Description
Backlight setting (0 to 255).
Description
Contrast value (0 to 255).
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