0.91″ OLED Display Module PMOLED Compatible Ardulno Factory
Overview of the 0.91" OLED Display Module PMOLED
The 0.91″ OLED Display Module, featuring a PMOLED (Passive Matrix OLED) structure, is designed to be compatible with Arduino systems, making it an ideal solution for various embedded applications. This module offers a compact graphical display with a resolution of 128×32 pixels, providing clear and crisp visuals. It utilizes the widely used SSD1306 driver IC and communicates via the IIC (Inter-Integrated Circuit) interface, ensuring efficient data transfer. The module is characterized by a white display color, a wide viewing angle, and a robust design, suitable for applications requiring a small yet high-performance display.
Key Features of the 0.91" OLED PMOLED Display Module
The 0.91″ OLED PMOLED display is a versatile and compact module commonly used in Arduino-based projects. Below are the key features that define this display:
1. Display Type and Resolution
The display features a PMOLED matrix with a resolution of 128×32 pixels. This resolution is sufficient to render simple graphics and text for small-scale applications such as sensors, portable devices, or as a status monitor for various embedded systems.
2. Color and Viewing Angle
The module displays content in a bright white color, which stands out clearly against a black background. It provides excellent visibility from all angles, ensuring that the content can be easily viewed under various lighting conditions and from multiple directions.
3. Connectivity and Interface
The module communicates with external devices through the IIC interface, a simple and reliable communication protocol widely used in embedded systems. The IIC interface reduces the number of required connections, making the module particularly attractive for compact designs.
4. Driver IC: SSD1306
The SSD1306 driver IC is at the core of the module, offering support for both IIC and SPI interfaces. This driver ensures that the display operates smoothly and efficiently, with low power consumption—a critical factor for battery-powered applications.
5. Physical Dimensions
The module’s small form factor—measuring 37.8 mm (length) by 11.8 mm (width) with a maximum thickness of 3.1 mm—makes it ideal for integration into tight spaces or wearable devices. The active display area spans 24.38 mm (width) by 7.58 mm (height), allowing for compact yet legible displays.
6. Pixel Pitch and Size
With a pixel size of 0.159×0.159 mm, the module achieves a high pixel density, contributing to sharp and detailed graphical output. The small pixel pitch ensures that the display remains clear even with small-sized text and icons.
Technical Specifications of the 0.91" OLED PMOLED Module
The following table outlines the technical specifications of the 0.91″ OLED Display Module with PMOLED technology:
| Feature | Specification |
|---|---|
| Display Mode | PMOLED |
| Color | White |
| Display Format | Graphic 128×32 Dot Matrix |
| Input Data | IIC Interface |
| Viewing Direction | All |
| Driver IC | SSD1306 |
| Dimensional Outline | 37.8(L) x 11.8(W) x 3.1(MAX) mm |
| Resolution | 128(H) x 32(V) dots |
| LCD Active Area | 24.38(H) x 7.58(V) mm |
| Pixel Size | 0.159 x 0.159 mm |
1. Display Technology
PMOLED displays operate on a passive matrix structure, meaning the pixels are controlled in rows and columns through sequential scanning. Unlike active matrix OLEDs (AMOLED), which use individual transistors to control each pixel, PMOLED displays are simpler and cost-effective for smaller screens. However, PMOLEDs are limited in terms of response time and refresh rate when compared to their AMOLED counterparts, making them more suitable for static images or low-refresh content.
2. Power Efficiency
The use of OLED technology allows each pixel to emit light individually. As a result, the display consumes less power when displaying black content since the pixels corresponding to black areas remain off. This feature is particularly beneficial for battery-powered applications, as it contributes to extended operational life.
Applications of the 0.91" OLED Display Module
The 0.91″ OLED PMOLED module is well-suited for a variety of embedded and low-power applications. Here are some typical use cases:
1. Arduino Projects
This display is compatible with Arduino systems, making it ideal for DIY electronics, hobbyist projects, and prototyping. It can be used to display system status, sensor readings, or simple graphical interfaces in compact Arduino-based designs.
2. Portable Devices
Due to its small size and low power consumption, this display module is perfect for handheld devices such as digital meters, wearables, or portable sensors, where both space and battery life are critical factors.
3. Consumer Electronics
The module can be used in various consumer electronics, including fitness trackers, smartwatches, and handheld devices. It provides a simple and reliable means of displaying essential information, such as time, status, or battery level, without compromising on space or power consumption.
4. Industrial Applications
The 0.91″ OLED display can also be utilized in industrial applications for real-time monitoring systems, equipment diagnostics, and status indicators. Its wide viewing angle and compact design make it adaptable for installation in tight spaces or on small equipment panels.
Conclusion
In summary, the 0.91″ OLED Display Module with PMOLED technology provides a reliable, energy-efficient solution for a range of embedded applications. Its small form factor, high resolution, and compatibility with Arduino systems make it an ideal choice for projects that require a compact display with a clear output. The integration of the SSD1306 driver IC and IIC interface simplifies implementation, while the module’s versatile design ensures that it can be used across various fields, from DIY electronics to industrial monitoring systems.
Drawing
Pin Description
| Pin | Symbol | I/O | |
|---|---|---|---|
| 1 | GND | P | Ground(-) |
| 2 | VDD | P | Power supply pin(+) |
| 3 | SCK | I | Serial Clock |
| 4 | SDA | I | Serial Data |
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Frequently Asked Question
The 0.91-inch OLED PMOLED display module has a resolution of 128×32 pixels, which provides clear and sharp visuals for small display applications.
The module uses the SSD1306 driver IC, which supports both IIC and SPI communication protocols, ensuring efficient operation and minimal power consumption.
PMOLED (Passive Matrix OLED) displays differ from AMOLED (Active Matrix OLED) displays in that PMOLEDs control pixels using a passive matrix, which is simpler and less costly, but also less efficient for higher-refresh-rate applications. PMOLED is ideal for low-refresh static or semi-static displays, while AMOLED offers higher performance for dynamic content.
The active display area is 24.38 mm (horizontal) by 7.58 mm (vertical), which is optimal for displaying simple graphics or text.
The display module has physical dimensions of 37.8 mm (length) x 11.8 mm (width) with a maximum thickness of 3.1 mm, making it compact and suitable for space-constrained applications.
The module utilizes the IIC (Inter-Integrated Circuit) interface, making it easy to integrate into various embedded systems, particularly those based on Arduino.
The module uses PMOLED (Passive Matrix OLED) technology, where the pixels are controlled in rows and columns through a passive matrix, ideal for static and low-refresh-rate displays.
This OLED display is widely used in Arduino-based projects, portable devices (such as wearables and handheld meters), consumer electronics (e.g., smartwatches), and industrial applications (like monitoring and status indicators).
Yes, the OLED technology is highly power-efficient. It allows individual pixels to emit light, and black pixels remain off, reducing overall power consumption, which is especially useful for battery-powered projects.
Due to its passive matrix structure, the 0.91-inch PMOLED module is best suited for low-refresh content. It is not ideal for high-refresh-rate applications, such as video display, but works well for static or slowly changing information.
