240x128 graphic lcd module free sample

NHD-240128WG-BTGH-VZ# | Monochrome Graphic Module | 240x128 Pixels | Transflective LCD | White Backlight | STN (+) Positive Gray Display | Built-in Negative Voltage

Newhaven 240x128 graphic Liquid Crystal Display module shows blue pixels on a gray background. This transflective LCD Display is visible with ambient light or a backlight while offering a wide operating temperature range from -20 to 70 degrees Celsius. This NHD-240128WG-BTGH-VZ# display includes built-in negative voltage. It has an optimal view of 6:00, operates at 5V supply voltage and is RoHS compliant.

NHD-240128WG-BTMI-VZ# | Monochrome Graphic Module | 240x128 Pixels | Transmissive LCD | White Backlight | STN (-) Negative Blue Display | Built-in Negative Voltage

Newhaven 240x128 graphic Liquid Crystal Display module shows white pixels on a blue background. This transmissive LCD Display requires a backlight for visibility and offers a wide operating temperature range from -20 to 70 degrees Celsius. This NHD-240128WG-BTMI-VZ# display includes built-in negative voltage. It has an optimal view of 6:00, operates at 5V supply voltage and is RoHS compliant.

A 4.0″ monochrome, 240×128 dot matrix, COG (Chip on Glass) Graphic LCD Module in STN Negative Blue LCD Mode with Wide Temperature Range (Operating Temp: -20°C to 70°C, Storage Temp: -30°C to 80°C), and White LED Backlight. It has a six O’clock viewing direction and a transmissive polarizer suitable for darker environment. This product is assembled chip on glass with 1/128 Duty cycle and 1/12 Bias. This LCD uses Controller IC UC1608X or equivalent. This is an ROHS compliant product manufactured with ISO standards and procedures.

A 2.9″ monochrome, 128×64 dot matrix, COB (Chip on Board) Graphic LCD Module AMG12864AR-B-Y6WFDY-AT-NV-Y in STN Positive Yellow Green LCD Mode with Yellow Green LED Backlight. It has a Six O’clock viewing direction and a transflective polarizer recommended for applications that will be used both indoor and outdoor. This product has negative voltage and is assembled Chip On board with 1/64 Duty and a Controller IC S6B0107 or S6B0108 or equivalent. The interface type is Parallel. This is an ROHS compliant product manufactured with ISO standards and procedures.

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Take 240*128 graphic LCD module for example. There are 240 dots horizontally, 128 dots vertically. Outer dimension 170.0×93.4 mm and active area 120.0×64.0 mm. When you develop a custom dot matrix LCD module, it can be any length and width, resolution, but it takes a lot of time and great efforts to develop it. The most widely used dot matrix LCD modules with specific sizes were made public and it is very convenient for everyone to get them with no tooling fee. You will not have a lot of options when you choose a graphic LCD module, a custom dot matrix LCD module is still your first choice.

In this project, I will show you how to interface a 128X64 Graphical LCD with Arduino UNO. This particular LCD Module is based ST7920 LCD Controller. So, we will first see a little bit about the Graphical LCD Module and its LCD Controller ST7920.

In the previous Arduino project, I have interfaced a Nokia 5110 LCD Module with Arduino. It is also a graphical LCD which can display some basic bitmap images and graphics. But the issue with Nokia 5110 LCD Module is its resolution.

At 84 x 48 pixels, the Nokia 5110 LCD can be used for implementing a menu-based user interface. Due to its small size, the resulting menu will be limited to 3 or 4 items per page.

If we want a bigger display with more real estate to work with, then the obvious choice is to go for the bigger and better 128×64 Graphical LCD Module.

As a demonstration, after making all the hardware connections, I will display a bitmap image on the Graphical LCD Module. If you are interested in implementing a simple 16×2 Alpha-Numeric LCD with Arduino, then check out this tutorial.

At first glance, the 128×64 Graphical LCD Module seems like a bigger brother to the famous 16×2 LCD or 20×4 LCD Modules, with their similar construction and almost similar pin layout.

But there is a significant difference between those two. 16×2 or 20×4 LCDs are essentially character displays. They can only display alpha-numeric characters and some simple custom characters that are confined to a 5×8 matrix.

By using different combinations of pixels, we can basically display characters of various sizes. But the magic doesn’t end there. You can display images and graphics (small animations) as well. In a 128×64 LCD Module, there are 64 rows and 128 columns.

There are several versions of the Graphical LCD in the market. Even though the usage, application and implementations are almost identical, the main difference lies in the internal LCD Controller used to drive the dot matrix display.

Some of the commonly used LCD Controllers are KS0108, SSD1306, ST7920, SH1106, SSD1322, etc. The pin out of the final LCD Module might vary depending on the LCD Controller used. So, please verify the LCD Controller as well as the pin out before making a purchase.

The Graphical LCD Module I purchased consists of ST7920 Controller. It is manufactured by Sitronix and supports three types of bus interfaces i.e., 8-bit mode, 4-bit mode and Serial interface.

If you have used 16×2 LCD Display earlier, then you might be familiar with both 4-bit as well as 8-bit parallel interfaces. The serial interface is something new and we will explore this option in this project.

As I already mentioned, double-check with the manufacturer about the pinout of the Graphical LCD Module. The following table describes the pinout of the 128×64 LCD Module that I have.

Now that we have seen a little bit about the Graphical LCD and its controller ST7920, let us now proceed with interfacing the 128×64 Graphical LCD with Arduino. I will implement a simple circuit to demonstrate how easy it is to interface the LCD and Arduino using very few external components.

So, connect the RS, RW and E of the LCD to Digital IO pins 10, 11 and 13 of Arduino UNO. Also, in order to select the Serial Interface Mode, the PCB pin must be connected to GND.

The remaining connections are similar to a traditional 16×2 LCD. VCC and GND are connected to 5V and ground of the power supply. VO is connected to the wiper of a 10KΩ POT while the other two terminals of the POT are connected to 5V and GND respectively.

I have used the above “The Office” logo. Remember that the resolution of the 128×64 LCD is, well 128×64 pixels. So, the maximum image size should be 128×64. So, using Microsoft Paint, I have brought down the resolution of the above image to 128×64 pixels and also saved it as Monochrome Bitmap Image.

A simple project for interfacing the 128×64 Graphical LCD with Arduino is implemented here. Instead of displaying plain characters, I have displayed a bitmap image on the LCD to show its capability.

Answer: For the segment type LCD module, if you need modify the outline size or display content, a new LCD glass module is needed. We will inform you of the module charge after confirming the payment. We will start drawing paper for your checking.

Answer: Yes, we can. Please send your drawing paper. If you don’t have, please tell us the outline size of the LCD display, display information, whether the backlight or PCB board with IC is needed. We will evaluate the cost and give you the price soon.

Our 128240C monochrome graphic LCD module has a viewing area of 70 x 35 mm and offers grey-scale performance. The 128240C is the same mechanical size as our 64128M, however it has a slightly narrower viewing area due to the higher resolution. This LCD is available with several different backlight colors and is widely used in industries such as home automation and test and measurement equipment. The COG IC is the Sitronix ST7529. This LCD has a FPC interface.

The ST7529 is a driver & controller LSI for 32 gray scale graphic dot-matrix liquid crystal display systems. It generates 255 Segment and 160 Common driver circuits. This chip is connected directly to a microprocessor, accepts Serial Peripheral Interface (SPI), 8-bit/16-bit parallel or IIC display data and stores in an on-chip display data RAM. It performs display data RAM read/write operation with no external operating clock to minimize power consumption. In addition, because it contains power supply circuits necessary to drive the liquid crystal, it is possible to make a display system with the fewest components.