LK202-25-USB Matrix Orbital, LK202-25-USB Datasheet - Page 37

• Manufacturer Part Number: LK202-25-USB
• Description: LCD Character Display Modules Yel/Grn Background Black Text
• Manufacturer: Matrix Orbital

Specifications of LK202-25-USB

• Character Count X Line: 20 x 2
• Module Size (w X H X T): 116 mm x 37 mm x 25.73 mm
• Fluid Type: STN
• Voltage Rating: 5 V
• Operating Temperature Range: 0 C to + 50 C

connector. The keypad is scanned whenever a key is pressed;there is no continuous key scan. This means
that key presses are dealt with immediately without any appreciable latency. This also prevents electrical
noise which is often caused by continuous key scans.
9.2 Auto Transmit Key Presses On
9.3 Auto Transmit Key Presses Off
9.4 Poll Key Press
Matrix Orbital
Syntax
Description
Remembered
Default
Syntax
Description
Remembered
Syntax
In this mode, all key presses are sent immediately to the host system
without the use of the poll keypad command. This is the default mode
on power up.
Yes
On
In this mode, up to 10 key presses are buffered until the unit is polled by
the host system, via the poll keypad command 254 38. Issuing this
command places the unit in polled mode.
Yes
Hexadecimal
Decimal
ASCII
Hexadecimal
Decimal
ASCII
Hexadecimal
Decimal
ASCII
0xFE 0x41
254 65
254 “A”
0xFE 0x4F
254 79
254 “O”
0xFE 0x26
254 38
254 “&”
LK202-25-USB
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