The GLK12232-25 is a 122x32 Intelligent Graphic LCD display engineered to quickly and easily add an elegant graphic HMI to any application. Multiple communication protocols such as Serial RS232, TTL, I2C, and USB communication models allow the GLK12232-25 Graphic LCD to be connected to a wide variety of host controllers.

Our Graphic LCD provides you with a cost-effective industrial HMI user interface solution for that great product/project you are developing. On board memory for Fonts and Bitmaps! This graphic LCD displays graphics and text in any font, style, justification and language, all with the convenience of a 25-key keypad matrix will allow fast development for any application.

  • 122x32 Graphic LCD HMI
  • 20x4 LCD formfactor replacement with a 93mm x 55mm mounting holes
  • Available Interfaces: Serial RS232, TTL, I2C, and USB
  • 25 key keypad matrix
  • 256KB of customizable fonts and bitmaps to enhance the graphical user experience
  • Programmable to display any language
  • 2 General Purpose Outputs
  • Software controlled contrast and brightness with configurable time-out setting up to 90 minutes
  • Built in Horizontal or Vertical bar graphs
  • Extended temperature available for extreme environments of -20C to 70C
  • Software flow control
  • Fast and easy development
  • Designed and supported in CANADA
  • Long life cycle
  • Backed my Matrix Orbital``s decades of research and development.


Please note: (Old part number for revision 2.0, was GLK12232-25-WBL. This is the new revision 3.0 part number) Please review the PCN

Family/Series Intelligent Display
Module Width (mm) 98
Module Height (mm) 60
Display Type Graphic LCD
Backlight Type LED
Viewing Area Width (mm) 76
Viewing Area Height (mm) 25.2
Active Area Width (mm) 69.5
Active Area Height (mm) 20.76
Resolution Width (Pixels) 122
Resolution Height (Pixels) 32
Pixel Pitch Width (mm) 0.57
Pixel Pitch Height (mm) 0.65
Pixel Width (mm) 0.53
Pixel Height (mm) 0.61
Font Multilingual
Viewing Direction Top
Viewing Angle 60
Touchscreen None
Keys 25
Haptic Feedback None
Audio Feedback None
GPO's 2
Advanced GPO's None
DOW None
Integrated LED's None
Graphic Memory 16kB
Interface RS232, TTL, I2C, USB
Command Protocol Matrix Orbital
Controller ATMega164P
Negative Voltage Integrated
Backlight Driver Integrated
Minimum Voltage (Vdc) 5
Typical Voltage (Vdc) 5
Maximum Voltage (Vdc) 5
Header Standard
Min. Operating Temp. (°C) 0, -20
Max. Operating Temp. (°C) 50, 60
Min. Storage Temp. (°C) -30, -10
Max. Storage Temp. (°C) 60, 80


  File Name Revision Size  
  File Name Revision Size  
GLK12232-25  PDF Drawing for GLK12232-25 Revision 3.0 3.0 94.87KiB


PDF style Drawing for GLK12232-25 PCB Revision 3.0.

GLK12232-25  Manual for GLK12232-25 PCB Rev3.0 3.0 1.82MiB


Manual for PCB revision 3.0

GLK12232-25  3D Drawing for GLK12235-25 Revision 3.0 3.0 3.61MiB


Solidworks .step style 3D Drawing for GLK12232-25 PCB Revision 3.0.

GLK12232-25  2D Drawing for GLK12232-25 Revision 3.0 3.0 71.9KiB


DWG style Drawing for GLK12232-25 PCB Revision 3.0.

GLK12232-25  Manual for PCB revision 2.0 2.0 187.86KiB


Manual for PCB revision 2.0

GLK12232-25  Autocad drawing for PCB revision 2.0 2.0 86.94KiB


Autocad drawing for PCB revision 2.0

GLK12232-25-FGW  PCN 2011-10-11-01 95.5KiB


Display Modules I2C Update

GLK12232-25-FGW  PCN 2009-03-25-01 103.33KiB


Firmware Update for C228

GLK12232-25-FGW  PCN 2008-11-26-01 100.16KiB


Font Spacing Change

GLK12232-25-FGW  PCN 2008-02-11-02 100.36KiB


GLK12232-25-FGW Firmware Upgrade

GLK12232-25-FGW  PCN 2007-10-16-01 135.19KiB


GLK12232-25-WBL PB Rev 3.0 Release


  File Name Revision Size  
  File Name Revision Size  
Graphic Software  MOGD# Software 1.34MiB


This updated program is the new tool kit for all our graphic displays. It lets you upload fonts and bitmaps, set fonts and font metrics. As well, allows you test all the different features of the display. In addition this program allows you to create new fonts from existing fonts in your windows library. As well as convert graphic files, to a format that you can upload to the displays. This version supports all revisions of most graphic displays, including the following:

GLK12232A-25-SM, GLT12232A, GLK12232-25, GLK19264A-7T-1U, GLK24064R-25-1U, GLT24064R-1U, GLK24064-25, GLT24064, GLK240128-25, and GLT240128

Windows Installation

When installing on Windows we recommend installing to a folder other than \"Program Files\". Doing so will avoid any Administrative Permission errors.
*For example installing MOGD# to the desktop will avoid any of these errors.

Update: 1.1.8 4-Nov-2015-

  • Added support for one byte file IDs
  • Improved font optimization

Update: 1.1.7 26-Jan-2015-

  • Added monospacing and optimization for fonts

Update: 1.1.6 30-Jun-2014-

  • Added animation support
  • Added support for firmware revision 8.5 commands

Update: 1.1.5 31-Jan-2013

  • Extended language support for fonts
  • Code page can now be specified when generating a font

Update: 1.1.0 08-Mar-2011

  • GLK24064-25/GLT24064 PCB Rev4.0 support
  • GLK240128-25/GLT240128 PCB Rev4.0 support
  • Firmware revision is detected automatically

Options Required : Select one from each
Pricing may change based on options selected.

  • Model: GLK12232-25
  • Availability: In Stock (Built to Order)
  • $79.95USD
  • 25 or more $78.00USD
  • 50 or more $76.05USD
  • 100 or more $72.15USD
  • 200 or more $70.40USD
  • 500+ : Contact us

Tags: GLK12232-25