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Product Name: LED display control board with Mini Keyboard
Product Model: LED-CON-674019 

Description: 

[Keyboard]

Mini keyboard design for easy remote operation
Structured menu system for remote control
Built in special characters and symbols
Built in graphic symbols
Scalable ¡°page¡± design concept for message input operation
Up to 96 files to store message; each file to input maximum 999 lines (pages) of text
Support English, Chinese, Japanese language
25 styles of displaying effects, and 5 levels of displaying speed
Multiple authentication level for operation security

[Software]

Integrated Chinese, Italian, Spanish version
Preset variable string supported for message displaying program
Support imported JPG/BMP format picture
Easy dot matrix pixels setting
Previewing windows for message displaying effect
Multiple text color setting
LED display brightness control

[Control board]

Up to 256 LED displays could be controlled asynchronously
VCC power jack x 1
Integrated RS232/485 communication port x 1
Jack for infra red receiver head x 1
Driving port for display board x 2 (popular pin out)
Size: 138.5 (L) x 65.5 (W) mm
Installation location for 4 screws: 107.8 (L) x 56.8 (W) mm

[Pin out for driving port]

Port 1:
GND GND GND GND GND GND B D
R G B CK ST OE A C

Port 2:
A B C D G1 G2 ST CK
GND GND GND OE R1 R2 GND GND