LCD2041 Matrix Orbital, LCD2041 Datasheet - Page 26

• Manufacturer Part Number: LCD2041
• Description: LCD Character Display Modules Yel/Grn Background Black Text
• Manufacturer: Matrix Orbital

Specifications of LCD2041

• Character Count X Line: 20 x 4
• Module Size (w X H X T): 98 mm x 60 mm x 27.5 mm
• Features: I2C LCD with software controlled contrast
• Voltage Rating: 4.75 VDC to 5.25 VDC
• Operating Temperature Range: - 20 C to + 70 C
• Backlight Type: LED Yellow-Green
• Interface: I2C

6.6 Miscellaneous Commands
Table 6-3 Miscellaneous Commands
LCD2041 rev 2
Command
Clear display
Set contrast
Backlight on
Backlight off
General purpose
output off
General purpose
output on
Read module type
Syntax
FE 58
254 88
254 'X'
FE 50 [contrast]
254 80 [contrast]
254 'P' [contrast]
FE 42 [minutes]
254 66 [minutes]
254 'B' [minutes]
FE 46
254 70
254 'F'
FE 56
254 86
254 'V'
FE 57
254 87
254 'W'
FE 37
254 55
254 '7'
Default
n/a
0x80
128
on
on
off
off
see table
26
Notes
Clears screen of text and graphics, places text
cursor at top left.
Sets display contrast. Compensates for
viewing angle. Contrast is a value between 0
and 255 (hex 0 to FF). Larger = darker.
Backlight will stay on for [minutes]. If [minutes]
= 0 backlight will stay on permanently.
Turns off backlight.
Turns the general purpose output OFF.
Turns the general purpose output ON.
See table in section 5.1.7. This command
returns a 1-byte hex value.