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The LK204-7T is a 5.25” PC Bay Insert 1U with a 20x4 Intelligent LCD display designed to fit into 1U form factors. 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 LK204-7T Graphic LCD to be connected to a wide variety of host controllers.

Our Character LCD provides you with a cost-effective industrial HMI user interface solution for that great product/project you are developing. This LCD displays features optional on-board large and medium digits all with the convenience of a 7 key backlit tactile keypad will allow fast development for any application.

  • 20x4 Character LCD 1U HMI
  • Available Interfaces: Serial RS232, TTL, I2C, and USB
  • Two available voltage options: 5V, and 3.3V low voltage
  • 7 key backlit tactile keypad
  • 3 dual colour indication status LEDs
  • 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
  • Fast and easy development
  • Designed, supported and Made in CANADA
  • Long life cycle
  • Customer headers available, please contact us
  • Semi-custom designs available
  • Backed my Matrix Orbital's decades of research and development

External Metal and ABS Plastic Enclosure as ELK204-7T
1U 5.25" PC Bay Insert BLK204-7T-BK

Family/SeriesIntelligent Display
Module Width (mm)142
Module Height (mm)38
Display TypeCharacter LCD
Backlight TypeLED
Viewing Area Width (mm)82
Viewing Area Height (mm)36
Active Area Width (mm)77
Active Area Height (mm)23.6
Resolution Width (Pixels)100
Resolution Height (Pixels)32
Pixel Pitch Width (mm)0.65
Pixel Pitch Height (mm)0.65
Pixel Width (mm)0.6
Pixel Height (mm)0.6
Character Columns20
Character Rows4
Character Pitch Width (mm)3.9
Character Pitch Height (mm)6.15
Character Width (mm)3.2
Character Height (mm)5.15
Viewing DirectionTop
Viewing Angle60
Haptic FeedbackNone
Audio FeedbackNone
Advanced GPO'sNone
DOWOptional, 1
Integrated LED's3
InterfaceRS232, TTL, I2C, USB
Command ProtocolMatrix Orbital
Negative VoltageIntegrated
Backlight DriverIntegrated
Minimum Voltage (Vdc)3.3
Typical Voltage (Vdc)3.3, 5
Maximum Voltage (Vdc)5
Min. Operating Temp. (°C)0, -20
Max. Operating Temp. (°C)50, 70
Min. Storage Temp. (°C)-30, -10
Max. Storage Temp. (°C)60, 80


 File NameRevisionSize 
 File NameRevisionSize 
LK204-7T-1U  PCN 2011-10-11-0195.5KiB


Display Modules I2C Update

LK204-7T-1U  PCN 2016-01-21-01223.77KiB


Firmware v6.3 Release

LK204-7T-1U  3D Drawing for PCB Revision


Solidworks .step style 3D Drawing for LK204-7T-1U PCB Revision 3.0.

LK204-7T-1U  Manual for LK204-7T PCB Revision


Manual for PCB Revision 1.0

LK204-7T-1U  AutoCAD Drawing for PCB revision 1.01.0349.34KiB


AutoCAD Drawing for PCB Revision 1.0

Available Options

  • PCB Rev: 1
  • Model: LK204-7T-1U
  • Availability: In Stock
  • $65.60USD
  • 25 or more $63.58USD
  • 50 or more $58.57USD
  • 100 or more $53.37USD
  • 200 or more $49.86USD
  • 500+ : Contact us

Tags: LK204-7T-1U