3.12" 256*64 Dots OLED Display Module with SPI/Parallel/I2C
Interface
Organic light-emitting diodes (OLEDs) represent next-generation
display technology, delivering brighter, clearer images with faster
response times. This monochrome OLED display features 256 * 64
individual dots and offers multiple interface options including
default SPI, parallel, and I2C connectivity.
| Product | 3.12" Inch Passive OLED |
| Resolution | 256*64 Pixels Resolution |
| Interface | Parallel, SPI Optional |
| Display Mode | Passive Matrix |
| Display Color | White, Yellow |
| Optics | All Viewing Angles |
| Active Area | 76.78 (W) * 19.18 (H) mm |
| Outline Dimensions | 88.00 (W) * 27.80 (H) mm |
| Pixel Pitch | 0.30 (W) * 0.30 (H) mm |
| Operating Temperature | -40°C to +80°C |
| Storage Temperature | -40°C to +85°C |
| Supply Voltage | 2.4 - 3.5V |
| Module Connecting Type | Plug-in Connection |
| Driver IC | SSD1322 |
| Pin Number | 30 Pins |
| IC Package Type | COF |
| Duty | 1/64 |
Technical Specifications
Size: Diagonal active area measures 3.12 inches. Module dimensions
approximately 88.00mm * 27.80mm with active area of 76.78mm *
19.18mm.
Resolution: 256*64 pixel resolution provides excellent clarity for text,
icons, and basic graphics on compact displays.
Display Characteristics: OLED technology enables self-luminous operation without backlight,
delivering high contrast ratio up to 20,000:1 and wide viewing
angles for clear visibility from any perspective.
Interface Type: Supports SPI, parallel, and I2C interfaces for flexible
integration with various microcontroller platforms including STM32,
Arduino, and ESP32.
Driver Chip: Utilizes SSD1322 driver IC with built-in display RAM cache for
efficient image data processing and reduced microcontroller load.
Operating Temperature: Wide operating range from -40°C to +80°C and storage range from
-40°C to +85°C ensures reliable performance in diverse
environmental conditions.
Appearance and Structure: Compact COF packaging with ZIF connectors facilitates easy
integration with external circuits.
Application Areas
- Industrial Control: Display real-time data for temperature, pressure, and voltage
monitoring with high contrast visibility in industrial environments
- Smart Wearables: Ideal for wristbands and electronic watches with low power
consumption and clear outdoor readability
- Medical Equipment: Used in portable detectors and glucose meters for clear display of
test results and operation menus
- Smart Home: Serves as display interface for smart home controllers showing
device status and operation menus
- POS Systems: Integrated into cash registers and payment terminals for product
information, transaction amounts, and operation prompts
- DIY Projects: Popular among electronics enthusiasts for homemade scales, weather
stations, and audio visualization devices with open-source driver
support
Packaging & Shipping
Packaging: Carton boxes, cupboard, EPE, blister tray. Packaging methods
customized according to product size and customer requirements,
complying with international shipping standards.
Shipping: Express delivery via DHL, FedEx, EMS, UPS, air shipping, and sea
shipping. Multiple shipping options available based on customer
preference.
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