LK204-25

20x4 Character LCD Display Module available in Serial RS232, TTL, I2C, and USB. Our Character LCD provides you with a cost-effective industrial HMI user interface solution for that great product/project you are developing.

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Communication Protocol: RS232Communication Protocol: I2CCommunication Protocol: TTLCommunication Protocol: RS422Communication Protocol: USBColour: StandardColour: GWColour: WBColour: IYColour: RVoltage: StandardVoltage: VVoltage: VPTTemperature: StandardTemperature: Extended

The LK204-25 is a 20x4 intelligent character lcd module. Engineered to quickly and easily add a powerful HMI to any application. Multiple communication protocols such as Serial RS232, TTL, I2C, and USB communication modes allow the LK204-25 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, bar graphs all with the convenience of a 25 key matrix keypad will allow fast development for any application.

20x4 Character LCD module
Available Interfaces: Serial RS232, TTL, I2C, and USB
Three available voltage options: 5V, and 9-15 (12V) Wide Voltage and Industrial 9-35V (24V)
25 key matrix keypad
6 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
Fast and easy development
Designed, supported and Made in CANADA
Long life cycle
Customer headers available, please contact us
Semi-custom designs available
Long life production
Backed by Matrix Orbital's decades of research and development

Module
Family/Series	Intelligent Display
Module Width (mm)	98
Module Height (mm)	60
Screen
Display Type	Character LCD
Backlight Type	LED
Viewing Area Width (mm)	76
Viewing Area Height (mm)	25.2
Active Area Width (mm)	70.4
Active Area Height (mm)	20.8
Resolution Width (Pixels)	100
Resolution Height (Pixels)	32
Pixel Pitch Width (mm)	0.6
Pixel Pitch Height (mm)	0.6
Pixel Width (mm)	0.55
Pixel Height (mm)	0.55
Character Columns	20
Character Rows	4
Character Pitch Width (mm)	3.55
Character Pitch Height (mm)	5.35
Character Width (mm)	2.95
Character Height (mm)	4.75
Font	Japanese, European
Viewing Direction	Top
Viewing Angle	60
HMI
Touchscreen	None
Keys	25
Haptic Feedback	None
Audio Feedback	None
GPO's	6
Advanced GPO's	None
DOW	Optional, 1
Integrated LED's	None
Electrical
Interface	RS232, TTL, I2C, RS422, USB
Command Protocol	Matrix Orbital
Controller	ATMega164P
Negative Voltage	Integrated
Backlight Driver	Integrated
Minimum Voltage (Vdc)	5
Typical Voltage (Vdc)	5, 9-15, 9-35
Maximum Voltage (Vdc)	35
Header	Standard
Environmental
Min. Operating Temp. (°C)	0, -20
Max. Operating Temp. (°C)	50, 70
Min. Storage Temp. (°C)	-30, -10
Max. Storage Temp. (°C)	60, 80

Downloads
	File Name	Revision	Size
	File Name	Revision	Size
Alphanumeric Software	DisplayTunerPro v1.0.0.0 Software	1.0.0.0	802.25KiB	Description Display Tuner Pro (MOCD#) is an update to our popular uProject testing software for Matrix Orbital displays. It adds support for new features and displays, including legacy and graphic units, to our established base of features and scripting. This tool supports all Matrix Orbital Intelligent and Economy Series displays, including the following: GLK Series (GLK12232-25-SM, GLK12232-25, GLK19264-7T-1U, GLK24064-25, GLK24064R-25-1U, GLK240128-25) GLT Series (GLT12232-SM, GLT24064R-1U, GLT24064, GLT240128) GOK Series (GOK12232A-25-SM, GOK12832-25-SM) LCD/OLED/VFD Series (LCD0821, LCD2041, OLED0821, OLED2041, VFD2041) LK Series (LK162-12, LK162A-4T, LK162B-7T, LK202-25, LK204-25, LK204-7T-1U, LK402-25, LK404-25) MOI/MOS/MOU Series (MOS, MOU, XBoard-S, XBoard-U) OK Series (OK162-12, OK202-25, OK204-25) VK Series (VK162-12, VK202-25, VK204-25, VK246-25) And all Legacy Displays
Alphanumeric Software	Boot Edit		524.62KiB	Description Boot Edit is designed for modification of advanced features of the LK/VK/PK USB and MX series. This is a more advanced version of the Boot Logo software. Boot Edit allows the setting of these features: Custom startup screen using custom characters Power on GPO and FAN settings, such as speed, and frequency LCD Contrast, backlight brightness and VFD brightness Compatible Displays: LK/VK/PK202-25 LK/VK/PK202-24-USB LK/VK204-24-USB MOS-AL/AV/AP202 MOS-AL/AV204 All MX series Only the MX and USB series support the Edit GPO Defaults section. This application was written by Ray of LCD Studio. (Ray@lcdstudio.com)
Alphanumeric Software	Display Tuner		407KiB	Description This basic application allows you to test and set LCD Contrast, Brightness, VFD Brightness, set baudrate and send text to the display. Compatible Displays: All LK/VK/PK, MOS, MX and LCD/VFD series.
Alphanumeric Software	Custom Character Tool		451.61KiB	Description This simple program to give you hex values for custom characters. This program allows you to see the hex values per lines for custom characters making implication easier. Simply download the program, uncompress and run. You will require Microsoft .NET Framework Version 1.1, it can be downloaded from here. This application was written by Ray of LCD Studio. (Ray@lcdstudio.com) For technical discussions and questions, please visit our forums
Alphanumeric Software	Boot Logo		40.03KiB	Description Boot Logo is designed for modification of the startup screen for some alphanumeric displays with startup screens. The user has the ability to use the normal text from the display\'s font table, and the 8 custom characters. Compatible Displays: LK/VK/PK162-12 LK/VK/PK202-25 LK/VK/PK202-24-USB LK/VK204-24-USB MOS-AL/AV/AP202 MOS-AL/AV204 All MX series This application was written by Ray of LCD Studio. (Ray@lcdstudio.com)
Alphanumeric Software	uProject		1.42MiB	Description uProject is an advanced testing software for Matrix Orbital displays. It allows testing of nearly all the features and allows test scripting and many other advanced features. uProject (micro Project) is a series of different tools that should allow the testing of nearly all the features of most of our displays. uProject also features scripting abilities to speed up testing or changing of a specific feature, such as backlight brightness or contrast. All LK/VK/PK, MOS, MX and LCD/VFD series.

Documents
	File Name	Revision	Size
	File Name	Revision	Size
LK204-25	PCN 2022-08-09-01		208.71KiB	Description PCB R3.0.1 Release
LK204-25	Manual for LK204-25-USB PCB Revision 1.0	1.0	1.05MiB	Description Manual for PCB revision 1.0 of the USB only LK204-25-USB display.
LK204-25-USB	PCN 2008-03-06-01		101.87KiB	Description Some G2s Upgraded Firmware
LK204-25	PCN 2006-07-13		639.9KiB	Description VFD2041 PCB 2.0 Release
LK204-25	Manual for LK204-25 PCB Revision 1.23	1.23	674.25KiB	Description Manual for PCB revision 1.23 of the Standard LK204-25 display.
LK204-25-USB	PCN 2008-05-13-01		113.86KiB	Description USB Programming
LK204-25	PCN 2006-08-24-07		120.92KiB	Description VFD2041 PCB 2.0 Feature Enhancement
LK204-25	Drawing Package for PCB Revision 2.0	2.0	7.7MiB	Description This zip folder contains a 3D CAD representation file, detailed mounting bracket design schematic, and a 3D CAD schematic file.
LK204-25-USB	PCN 2010-03-02-01		98.77KiB	Description BL Resistor change on 20x4 YG displays
LK204-25	PCN 2007-02-20-01		106.02KiB	Description G2 Graphics
LK204-25	2D Drawing for LK204-25 Revision 2.0	2.0	121.04KiB	Description Autocad .dwg style drawing for PCB revision 2.0 of the Standard LK204-25 display.
LK204-25-USB	PCN 2010-03-03-02		104.58KiB	Description GLK24064-25 PCB 3.0 Release
LK204-25	PCN 2007-07-11-01		111.46KiB	Description G2 Alphanumerics / Graphics Upgraded FW
LK204-25	Manual for PCB Revision 2.0	2.0	1.66MiB	Description Manual for PCB revision 2.0 of the Standard LK204-25 display.
LK204-25-USB	PCN 2016-01-21-02		231.86KiB	Description Firmware v7.3 Release
LK204-25	PCN 2007-09-25-02		133.96KiB	Description All Displays – Backlight Life
LK204-25	3D Drawing for LK204-25-422 Revision 3.0	3.0	11.8MiB	Description Solidworks .step style 3D Drawing for LK204-25-422 PCB Revision 3.0.
LK204-25	PCN 2007-12-11-01		104.16KiB	Description G2 Alphanumerics / Graphics Upgraded FW
LK204-25	3D Drawing for LK204-25-USB Revision 3.0	3.0	11.94MiB	Description Solidworks .step style 3D Drawing for LK204-25-USB PCB Revision 3.0.
LK204-25	PCN 2008-03-06-01		101.87KiB	Description Some G2s Upgraded Firmware
LK204-25	3D Drawing for LK204-25 Revision 3.0	3.0	12.79MiB	Description Solidworks .step style 3D Drawing for LK204-25 PCB Revision 3.0.
LK204-25	PCN 2010-03-02-01		98.77KiB	Description BL Resistor change on 20x4 YG displays
LK204-25	2D Drawing for LK204-25-422 Revision 3.0	3.0	302.34KiB	Description DWG style Drawing for LK204-25-422 PCB Revision 3.0.
LK204-25	PCN 2010-03-03-02		104.58KiB	Description LK204-25 PCB 3.0 Release
LK204-25	2D Drawing for LK204-25-USB Revision 3.0	3.0	305.41KiB	Description DWG style Drawing for LK204-25-USB PCB Revision 3.0.
LK204-25	PCN 2010-08-16-01		120.5KiB	Description New MO VPT module
LK204-25	2D Drawing for LK204-25 Revision 3.0	3.0	309.5KiB	Description DWG style Drawing for LK204-25 PCB Revision 3.0.
LK204-25	PCN 2011-06-03-01		580.43KiB	Description -V and -V-E power/temperature considerations
LK204-25	PDF Drawing for LK204-25-422 Revision 3.0	3.0	113.34KiB	Description PDF style Drawing for LK204-25-422 PCB Revision 3.0.
LK204-25	PCN 2011-10-11-01		95.5KiB	Description Display Modules I2C Update
LK204-25	PDF Drawing for LK204-25-USB Revision 3.0	3.0	113.08KiB	Description PDF style Drawing for LK204-25-USB PCB Revision 3.0.
LK204-25	PCN 2013-01-04-01.2		209.12KiB	Description LVK204-25 PCB Rev 3.0 Changes
LK204-25	PDF Drawing for LK204-25 Revision 3.0	3.0	114.69KiB	Description PDF style Drawing for LK204-25 PCB Revision 3.0.
LK204-25	PCN 2016-01-21-02		231.86KiB	Description Firmware v7.3 Release
LK204-25	Manual for LK204-25 PCB Revision 3.0	3.0	2.59MiB	Description Manual for PCB revision 3.0 of the LK204-25, LK204-25-422, and LK204-25-USB displays.

Application Notes
	File Name	Revision	Size
	File Name	Revision	Size
Application Notes	eGTT50-TPR Drawing (Rev 1.0).pdf		327.29KiB	Description TPN: non touch, TPR: resistive touch, TPC: capacitive touch
Application Notes	Arduino EVE UNO Example Code		-1B	Description Written for an EVE2 or EVE3 or EVE4 running on an Arduino UNO.
Application Notes	ESP32 EVE Example Code		-1B	Description Example code for the EVE on a ESP with the WEMOS D1 mini. Most models of the ESP32/ESP8266 should work, but are untested.

Tags: LK204-25, LVK204-25, LK-204

Standard	Standard (Black Text, Yellow/Green Background)
GW	Grey Text, Grey/White Background
WB	White Text, Blue Background
IY	Yellow Text, Black Background
R	Red Text, Black Background

Standard	5.0Vdc
V	Wide Voltage: 9-15Vdc
VPT	Wide Voltage w/ Efficient Switching: 9-35Vdc

RS232	RS232
I2C	I2C
TTL	TTL
RS422	RS422
USB	USB

Standard	0°C to +50°C
Extended	-20°C to +70°C

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