40x2 Character LCD display

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Communication Protocol: RS232Communication Protocol: I2CCommunication Protocol: TTLCommunication Protocol: RS422Communication Protocol: USBColour: StandardVoltage: StandardVoltage: VPTTemperature: StandardTemperature: Extended

The LK402-25 is a 1U 40x2 intelligent LCD display. 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 LK402-25 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 medium digits, bar graphs all with the convenience of a 25 key matrix keypad will allow fast development for any application.

40x2 Character LCD with keypad interface
Available as: Serial LCD, RS232 LCD , TTL LCD, I2C LCD, and USB LCD
1U
Two available voltage options: 5V, 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)	182
Module Height (mm)	33.5
Screen
Display Type	Character LCD
Backlight Type	LED
Viewing Area Width (mm)	154.5
Viewing Area Height (mm)	17
Active Area Width (mm)	147.5
Active Area Height (mm)	11.5
Resolution Width (Pixels)	200
Resolution Height (Pixels)	16
Pixel Pitch Width (mm)	0.65
Pixel Pitch Height (mm)	0.7
Pixel Width (mm)	0.6
Pixel Height (mm)	0.65
Character Columns	40
Character Rows	2
Character Pitch Width (mm)	3.7
Character Pitch Height (mm)	5.95
Character Width (mm)	3.2
Character Height (mm)	5.55
Font	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.

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.

Documents
	File Name	Revision	Size
	File Name	Revision	Size
LK402-25	Autocad drawing for PCB Revision 2.0	2.0	80.82KiB	Description Autocad .dwg style drawing for PCB Revision 2.0 of the LK402-25 display.
LK402-25	PCN 2006-08-10		632.99KiB	Description LK402-25 PCB 2.0 Release
LK402-25	Manual for PCB revision 2.0	2.0	1.07MiB	Description Manual for PCB revision 2.0 of the LK402-25 display.
LK402-25	PCN 2006-08-24-09		120.97KiB	Description VFD2041 PCB 2.0 Feature Enhancement
LK402-25	Autocad Drawing for PCB Revision 3.0	3.0	467.95KiB	Description Autocad .dwg style drawing of the LK402-25, LK402-25-422, and LK402-25-USB displays.
LK402-25	PCN 2007-02-20-01		106.02KiB	Description G2 Graphics
LK402-25	Manual for LK402-25 PCB Rev3.0	3.0	2.62MiB	Description Manual for PCB revision 3.0 of the LK402-25, LK402-25-422, and LK402-25-USB displays.
LK402-25	PCN 2007-07-11-01		111.46KiB	Description G2 Alphanumerics / Graphics Upgraded FW
LK402-25	PCN 2007-12-11-01		104.16KiB	Description G2 Alphanumerics / Graphics Upgraded FW
LK402-25	PCN 2008-03-06-01		101.87KiB	Description Some G2s Upgraded Firmware
LK402-25	PCN 2010-03-03-01		104.21KiB	Description GLK24064-25 PCB 3.0 Release
LK402-25	PCN 2010-08-16-01		120.5KiB	Description New MO VPT module
LK402-25	PCN 2011-06-03-01		580.43KiB	Description -V and -V-E power/temperature considerations
LK402-25	PCN 2011-10-11-01		95.5KiB	Description Display Modules I2C Update
LK402-25	PCN 2015-10-02-01		265.75KiB	Description 40x2 Screen Change Notes Products Affected: LK402-25 LK402-25 -USB LK402-25 -422
LK402-25	PCN 2016-01-21-02		231.86KiB	Description Firmware v7.3 Release