Product Overview
This compact 0.91-inch passive matrix OLED display module delivers crisp, high-contrast monochrome imagery with an onboard PCB for simplified integration. Engineered with the reliable SSD1306BZ controller and SPI interface, this display solution offers excellent readability, wide viewing angles, and dual power supply compatibility for space-constrained applications.
The module features a 128 x 32 dot matrix resolution with individual pixel control, providing clear and sharp graphics for small-form-factor devices. The onboard PCB includes standard pin headers for easy breadboard or prototype integration. The SPI interface enables high-speed communication with minimal I/O pins, making it ideal for applications requiring frequent display updates. With a compact footprint and wide operating temperature range, this display is perfect for wearable technology, portable instruments, industrial control interfaces, and miniature user interfaces.
Key Features
- Compact Form Factor – 32.5 x 20.5 x 2.41 mm module size with onboard PCB
- High Resolution – 128 x 32 dot matrix for sharp, detailed graphics
- SPI Interface – High-speed communication with minimal I/O pin usage
- Dual Power Supply – Supports both 3.3V and 5V operation for versatile compatibility
- Onboard PCB with Pin Headers – Easy breadboard and prototype integration
- High Contrast OLED Technology – Self-emissive pixels for excellent visibility in all lighting conditions
- Wide Operating Temperature – -40°C to +80°C for demanding environments
- Low Power Consumption – 13mA typical operating current, ideal for battery-powered devices
- Built-in SSD1306BZ Controller – Integrated driver for display control
- Monochrome Display – High-contrast single-color output for clear readability
- 1/32 Duty Drive – Efficient multiplexing for consistent brightness
Technical Specifications
Display Characteristics
| Parameter | Specification |
|---|
| Screen Size | 0.91-inch diagonal |
| Dot Matrix | 128 x 32 Dots |
| Active Area | 22.384 (H) x 5.584 (V) mm |
| Pixel Size | 0.152 x 0.152 mm |
| Pixel Pitch | 0.175 x 0.175 mm |
| Display Mode | Passive Matrix |
| Display Color | Monochrome |
| Drive Duty | 1/32 Duty |
| Controller IC | SSD1306BZ |
| Interface | SPI |
Mechanical Specifications
| Parameter | Dimension |
|---|
| Module Dimension | 32.5 x 20.5 x 2.41 mm |
| Active Area | 22.384 x 5.584 mm |
| Pixel Size | 0.152 x 0.152 mm |
| Pixel Pitch | 0.175 x 0.175 mm |
Pin Interface
| Pin No. | Symbol | Function |
|---|
| 1 | SDA | Serial Data Input (SPI) |
| 2 | SCL | Serial Clock Input (SPI) |
| 3 | DC | Data/Command Control |
| 4 | RST | Reset Input (Active Low) |
| 5 | CS | Chip Select (Active Low) |
| 6 | VDD | Logic Supply (2.8V ~ 3.3V) |
| 7 | VIN | Logic Supply (4.8V ~ 5.2V) |
| 8 | GND | Ground |
Electrical Characteristics (DC)
| Parameter | Min. | Typ. | Max. | Unit |
|---|
| Logic Supply Voltage (VDD) | 2.8 | 3.0 | 3.3 | V |
| Logic Supply Voltage (VIN) | 4.8 | 5.0 | 5.2 | V |
| Input High Voltage (VIH) | 0.8×VDD | – | VDD | V |
| Input Low Voltage (VIL) | 0 | – | 0.2×VDD | V |
| 50% Checkerboard Operating Current | – | 13.0 | 26.0 | mA |
Absolute Maximum Ratings
| Parameter | Min. | Max. | Unit |
|---|
| Logic Supply Voltage (VDD) | 1.65 | 3.3 | V |
| Logic Supply Voltage (VIN) | 4.0 | 6.0 | V |
| Operating Temperature | -40 | +80 | °C |
| Storage Temperature | -40 | +85 | °C |
Applications
- Wearable Devices and Smart Watches
- Industrial Control Interfaces and HMIs
- Portable Medical Instruments
- Smart Home and IoT Displays
- Handheld Test and Measurement Equipment
- Consumer Electronics Accessories
- Miniature User Interface Panels
- Audio Equipment Displays
- Prototyping and Development Boards
Key Advantages
- Onboard PCB – Includes PCB with standard pin headers for easy breadboard and prototype integration
- Dual Power Supply – Compatible with both 3.3V and 5V systems for versatile integration
- High-Speed SPI Interface – Enables fast data transfer for dynamic display content
- Higher Resolution – 128 x 32 pixels provide sharper, more detailed graphics
- Compact Size – 32.5 x 20.5 x 2.41 mm with onboard PCB for easy handling
- Wide Temperature Range – Reliable operation from -40°C to +80°C for harsh environments
- High Contrast – OLED technology provides excellent readability without backlight
- Low Power – 13mA typical current consumption, ideal for battery-powered designs
Ordering Information
- Display Module – 0.91″ OLED 128×32 SPI Monochrome (PCB Version)
- Interface – SPI (SDA, SCL, DC, RST, CS)
- Power Supply – Dual 3.3V / 5V Compatible
- Controller – SSD1306BZ
For volume pricing, customization, or engineering support, please contact our sales team.
