0.91 Inch OLED Display Module 128×32 COG Blue LCD Screen SSD1306BZ 4-Wire SPI 15-Pin Connector 30.0×11.50×1.227mm Panel for Embedded Systems
0.91 Inch OLED Display Module 128×32 COG Blue LCD Screen SSD1306BZ 4-Wire SPI 15-Pin Connector 30.0×11.50×1.227mm Panel for Embedded Systems
0.91 Inch 128×32 Blue OLED Display Module with SSD1306BZ Driver and 4-Wire SPI
This 0.91-inch monochrome OLED display module offers a crisp blue-on-black readout for embedded projects, instrumentation, and compact user interfaces. With a 128×32 dot matrix and chip-on-glass (COG) construction, the module delivers clear text and simple graphics while keeping the overall footprint small. The SSD1306BZ driver IC handles pixel control via a 4-wire SPI interface, making it straightforward to connect to microcontrollers or single-board computers. Its 15-pin connector simplifies wiring, and the wide operating temperature range from -40 to 70°C suits both indoor and light industrial environments.
Features and Construction
Designed for space-constrained applications, this OLED module combines a low-profile glass panel with reliable COG assembly. The blue emissive display provides good contrast and readability, even in moderate ambient light.
Display Resolution and Size
The module offers 128 columns by 32 rows of individual blue pixels, sufficient for alphanumeric characters, icons, or simple waveform plots. The active display area measures 22.384×5.584mm within a panel size of 30.0×11.50×1.227mm, and the overall field of view is 24.384×7.584mm.
Interface and Compatibility
Using the SSD1306BZ driver with a 4-wire SPI protocol, the display can be driven by most popular microcontrollers including Arduino, Raspberry Pi, and STM32 families. The 15-pin connector provides dedicated power, ground, and SPI signal lines for reliable communication.
Uses and Placement
This screen is suitable for any application where a small, low-power display is needed to show status data, sensor readings, or simple menu options. Its compact dimensions and straightforward interface reduce development time.
Embedded System Indicators
Use the display to show system status, error codes, or network connection indicators in custom electronics. The 128×32 pixel grid can display up to four lines of small text or two lines of larger characters.
Prototyping and Education
With its 4-wire SPI interface and wide temperature tolerance, this module works well for classroom projects, laboratory instruments, or breadboard-based prototypes where space and power budgets are tight.
Benefits and Buying Value
The OLED technology provides high contrast and low power consumption compared to backlit LCDs. The COG structure reduces component height and eliminates the need for external driver boards in many cases.
Low Maintenance and Robustness
OLED pixels switch quickly and maintain brightness across the -40 to 85°C storage range. The glass panel requires careful handling but offers a long operational life under normal conditions.
Why Choose This Module
This display delivers a proven combination of small size, standard interface, and reliable blue OLED output at a low component count. It is a practical choice for developers needing a basic character or icon-based readout.
