GLK240128-25 Display



The GLK240128-25 is a 240x128 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, USB and RS422 communication models allow the GLK240128-25 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.

  • 240x128 Graphic display LCD HMI
  • Available Interfaces: Serial RS232, TTL, I2C, RS422 and USB
  • 25 key keypad matrix
  • 256KB of customizable fonts and bitmaps to enhance the graphical user experience
  • Programmable to display any language
  • 6 General Purpose Outputs
  • Two available voltage options: 5V, and Industrial 9-35V (12V, 24V)
  • Field upgradable firmware
  • 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
  • Hardware flow control
  • Fast and easy development
  • Designed, supported and Made in CANADA
  • Long life cycle
  • Backed by Matrix Orbital's decades of research and development.


Please note: This unit's PCB has been replaced by the improved version (rev 4.0). The unit’s physical footprint, protocols and display remain the same. However, we have made improvements to the product such as enhanced ESD protection. If you have ordered this display in the past, please contact support for further details to avoid compatibility issues.


A product change notice has been released for this display. Change effective Jan 30, 2015. Please review the PCN



Category Sub Category File Name Revision Size Description Notes Features Change Log
Category Sub Category File Name Revision Size Description Notes Features Change Log
GLK Series GLK240128-25 Display Autocad Drawing for PCB Revision 4.0 4.0 145.24KiB

Autocad .dwg style drawing of the GLK240128-25, GLK240128-25-422, and GLK240128-25-USB displays.

GLK Series GLK240128-25 Display Manual for PCB revision 4.0 4.0 2.91MiB

Manual for PCB revision 4.0 of the GLK240128-25, GLK240128-25-422, and GLK240128-25-USB displays including the LPC17xx processor.

GLK Series GLK240128-25 Display Autocad drawing for PCB revision 1.1 1.1 88.66KiB

Autocad .dwg style drawing for PCB revision 1.1 of the GLK240128-25 display.

GLK Series GLK240128-25 Display Manual for PCB revision 1.0 to 1.1 1.0 1.08MiB

Manual for PCB revision 1.0 to 1.1 of the GLK240128-25 display.