OK204-25

20x4 intelligent character oled display HMI with Serial RS232, TTL,USB, I2C with a 25 key keypad, 6 General Purpose Outputs and 5V,12V, 24V power

Notice: The Red, Green and Blue color options have been discontinued. Please contact us for stock availability.

The OK204-25 is a 20x4 OLED 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 OK204-25 OLED to be connected to a wide variety of host controllers.

Our Intelligent Character OLED displays provides you with a cost-effective industrial HMI user interface solution for that great product/project you are developing. This OLED 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.
OLED technology improves readability by offering a high contrast display with wide viewing angles and requires significantly less power to operate than VFD or even LCD units.

20x4 Intelligent OLED Dispay
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 -40C to 80C
High contrast display and wide viewing angles
Fast and easy development
Long life cycle
Customer headers available, please contact us
Semi-custom designs available
Long life production
Designed, supported and Made in CANADA
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 OLED
Viewing Area Width (mm)	77
Viewing Area Height (mm)	25.2
Active Area Width (mm)	70.16
Active Area Height (mm)	20.95
Resolution Width (Pixels)	100
Resolution Height (Pixels)	32
Pixel Pitch Width (mm)	0.59
Pixel Pitch Height (mm)	0.6
Pixel Width (mm)	0.54
Pixel Height (mm)	0.55
Character Columns	20
Character Rows	4
Character Pitch Width (mm)	3.54
Character Pitch Height (mm)	5.4
Character Width (mm)	2.95
Character Height (mm)	4.75
Font	Multilingual
Viewing Direction	Any
Viewing Angle	160
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
Minimum Voltage (Vdc)	5
Typical Voltage (Vdc)	5, 9-15, 9-35
Maximum Voltage (Vdc)	35
Header	Standard
Environmental
Min. Operating Temp. (°C)	-20, -40
Max. Operating Temp. (°C)	70, 80
Min. Storage Temp. (°C)	-40
Max. Storage Temp. (°C)	80

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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.
USB Drivers	32/64 Bit USB Drivers 2.12.28.1	2.12.28.1	1.61MiB	Description USB Drivers for All USB displays EVE2, EVE3, EVE4: Including the EVE2-USB2SPI, EVE-USB2SPI-KIT-B and EVE3x and EVE4x displays LK/VK/OK: LCD, VFD, OLED Series ELK/EGLK: External LCD's GLK/GLT: Graphic LCD's GTT: Intelligent UART TFT Series MOU: All MOU Series 32/64 Bit USB Drivers Version 2.12.28.1 For Windows 7, 8, 8.1, 10 and 11 and Windows Server 2008 R2, 2012 R2, and 2016. Notes Based on 2.12.28 Drivers from FTDI.
USB Drivers	Legacy USB Drivers 2.08.24	2.08.24	1.28MiB	Description Legacy USB Drivers for all USB displays, except the GX. Including LK/ELK/VK/PK/OK/GLK/EGLK/GLT/GTT/MOU/X-Board/MX/Eve Series. Legacy USB Drivers Version 2.08.24-1 For Windows XP, and Vista, and Windows Server 2003, and 2008. Notes Based on Legacy 2.08.24 Drivers from FTDI.

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Documents
	File Name	Revision	Size
	File Name	Revision	Size
OK204-25	PCN 2022-08-09-01		208.71KiB	Description PCB R3.0.1 Release
OK204-25	PCN 2019-06-13-01.pdf		285.55KiB	Description 20x4 OLED Display Change
OK204-25	3D Drawing for OK204-25-422 Revision 3.0		50.34MiB	Description Solidworks .step style 3D Drawing for the OK204-25-422 PCB Revision 3.0.
OK204-25	3D Drawing for OK204-25-USB Revision 3.0		50.66MiB	Description Solidworks .step style 3D Drawing for the OK204-25-USB PCB Revision 3.0.
OK204-25	3D Drawing for OK204-25 Revision 3.0		50.76MiB	Description Solidworks .step style 3D Drawing for the Standard OK204-25 PCB Revision 3.0.
OK204-25	2D Drawing for OK204-25-422 Revision 3.0		2.5MiB	Description DWG style Drawing for the OK204-25-422 Revision 3.0.
OK204-25	2D Drawing for OK204-25-USB Revision 3.0		2.45MiB	Description DWG style Drawing for the OK204-25-USB Revision 3.0.
OK204-25	2D Drawing for OK204-25 Revision 3.0		2.45MiB	Description DWG style Drawing for the Standard OK204-25 Revision 3.0.
OK204-25	PDF Drawing for OK204-25-422 Revision 3.0		186.27KiB	Description PDF style Drawing for the OK204-25-422 Revision 3.0.
OK204-25	PDF Drawing for OK204-25-USB Revision 3.0		187.27KiB	Description PDF style Drawing for the OK204-25-USB Revision 3.0.
OK204-25	PDF Drawing for OK204-25 Revision 3.0		191.1KiB	Description PDF Drawing for the Standard OK204-25 Revision 3.0.
OK204-25	Manual for OK204-25		2.86MiB	Description Manual for OK204-25: PCB Rev 3.0 or higher

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OK204-25

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