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PMOLED Display Module, 1.5", 4DGL/Serial US$62.00

PMOLED Display Module, 1.5\", 4DGL/Serial

The µOLED-128-G2 is a compact and cost-effective display module using state-of-the-art Passive Matrix OLED (PMOLED) technology with an embedded GOLDELOX graphics processor that delivers ‘stand-alone’ functionality to any project. Powerful graphics, text, image, animation and other features are built into the GOLDELOX chip that delivers stand-alone functionality to any project.

The module is designed to work out of the box and ready for your code written in 4DGL (a high-level 4D Graphics Language) using the 4DGL-Workshop4 IDE (editor, compiler and downloader).

4DGL is a graphics-oriented language allowing you to write applications in high-level code with syntax similar to popular languages such as BASIC, C and Pascal. The Workshop IDE also features the ViSi-Genie, a drag-and-drop graphical interface that will create 4DGL code for you — all you need to do is place pre-made objects onto a simulated image of the display, size and set parameters to your liking, then a single click will generate the 4DGL code to make that object functional.

Using the Workshop IDE, the module also can be loaded with a Serial Application that transforms it into a Serial Slave to virtually any serial host.

The module offers modest but comprehensive I/O features that can interface to serial, analog, digital, buttons, joystick, sound generation and Dallas 1-wire devices.

The GOLDELOX processor on the display module also can be re-programmed with different ‘Personality Module Micro-Code’ (PmmC) files for updates and future proofing. The processes of converting to a serial slave, updating the PmmC firmware, or downloading your 4DGL program code all require connection of a USB converter that uses the DTR signal to pulse the Reset line on the processor. Two USB-to-Serial converters that can plug directly into this module are available from the Optional Recommended Products list below.

OLED Graphics Display Module Features

  • Low-cost OLED display graphics user interface solution
  • 128 × 128 resolution, 65K colors, PMOLED screen
  • 1.5” diagonal size, 45.5 × 33.5 × 6.1 mm
  • Active Display Area: 27 × 27 mm
  • No back lighting needed, with near 180° viewing angle
  • Easy 10-pin interface to any external device: VCC, TX, RX, GND, RESET, IO1, IO2, 3.3V
  • Powered by the 4D-Labs GOLDELOX graphics processor highly optimized for 4DGL, the high-level 4D Graphics Language
  • 2× GPIO ports (IO1, IO2) support:
        • Digital I/O
        • A/D converter with 8/10-bit resolution
        • Complex sound generation
        • Dedicated RTTTL tune engine
        • Multi-Switch Joystick
        • Dallas 1-Wire
  • 10K bytes of Flash memory for user code storage and 510 bytes of RAM for user variables (255 × 16-bit vars)
  • Serial TTL interface with auto-baud feature (300 to 256K baud)
  • On-board microSD memory card adapter for storing of icons, images, animations, etc. Supports 64MB to 2GB microSD as well as microSDHC cards of 4GB and up (a memory card is not included)
  • Comprehensive set of built-in high-level 4DGL graphics functions and algorithms that can draw lines, circles, text, and much more
  • Display full-color images, animations, icons and video clips
  • Supports all available Windows fonts and characters (imported as external fonts)
  • 4.0V to 5.5V range operation (single supply)
  • Overall module dimensions (including corner plates): 45.6 × 36 × 13.7 mm
  • Weight: about 11 grams
  • Includes back plate with four 3mm holes for mounting

Three different usage methods

The 4D Systems Workshop 4 IDE supports multiple development environments, to cater for different user requirements and skill level.
  • The Designer environment enables you to write 4DGL code in its natural form to program the display module.
  • The ViSi visual programming experience enables drag-and-drop placement of objects to assist with 4DGL code generation and allows you to visualize how the display will look.
  • The Serial environment is provided to transform the display module into a slave serial display module, allowing you to control the display from any host microcontroller or device with a serial port. Serial libraries are available for C, Pascal, PicAxe, and Arduino.
By default, the module will come ready for Serial usage. You can change environments or customize the serial firmware using one of the optional USB-to-Serial converters and the Workshop 4 IDE software.

OLED Graphics Display Module Resources

View a video of this display in action. (An older hardware/firmware version.)

Can be used with Arduino or Raspberry Pi

You can connect this display to an Arduino or Raspberry Pi system using adapters that you can add to your order by using the option checkboxes below.

Can be used with Fox Board or Terra Board

If you have an Acme Systems Fox G20 or Terra G25 Embedded Linux Board, you can use the DAISY-15-R adapter to connect this display. You'll need a ribbon cable, and the Fox Board also will need the DAISY-1 adapter. See the DAISY-15-R page for details and links.

Optional Recommended Products for this Item
USB to Serial TTL Cable, 3.3V, 5-pin Female Header, 1.8m+ US$22.00
Development and Prototyping Board for 4D Display Modules+ US$26.46
Arduino Adapter Shield II for 4D Systems LCD/OLED Displays+ US$18.61
Raspberry Pi Interface Adapter for 4D Systems LCD/OLED Displays+ US$14.10

This product was added to our catalog on Wednesday 30 March, 2011.


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