Description
Product Overview
The 1.5-inch 128×128 White OLED Display Module is a high-density graphic display designed for embedded projects that require crisp, detailed visual output in a compact form factor. Driven by the SH1107 controller, this square-format display features a sharp 128×128 pixel resolution with bright white monochrome pixels on a true black background.
OLED (Organic Light Emitting Diode) technology requires no backlight, as each pixel emits its own light. This self-emissive design provides true blacks (inactive pixels are completely off), excellent contrast, and wide viewing angles — ensuring the display remains readable from virtually any angle while consuming minimal power.
The module uses the I2C interface, requiring only two data lines (SDA and SCL) to connect to your microcontroller. This preserves valuable I/O pins for other sensors and peripherals. With support for both 3.3V and 5V logic, it is directly compatible with ESP32, ESP8266, STM32, Raspberry Pi, and many other development boards – no level shifters required.
Important Memory Consideration: This display requires approximately 2KB of SRAM just for the display buffer (128×128 ÷ 8 = 2,048 bytes). As such, it cannot be used with memory-constrained microcontrollers like the Arduino Uno (ATmega328P) which has only 2KB total SRAM . For reliable operation, use a microcontroller with 16KB or more RAM such as ESP32, ESP8266, STM32, Teensy, SAMD21, SAMD51, or Raspberry Pi .
Key Features
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1.5-Inch Square Active Area: 128×128 pixel resolution with approximately 20mm × 20mm active area – perfect for square dashboard displays, menus, and graphics
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Higher Resolution than Standard OLEDs: Offers 4× the pixels of common 128×64 OLEDs (16,384 vs 8,192 pixels) for significantly more detailed graphics and text
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White Monochrome OLED: Clean white pixels on true black background provide excellent contrast and professional appearance
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SH1107 Driver IC: Advanced controller designed specifically for higher-resolution 128×128 displays with built-in display buffer
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I2C Interface: 4-pin connection (GND, VCC, SCL, SDA) – requires only 2 data lines, saving GPIO pins
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Wide Voltage Compatibility: Operates on DC 3.3V – 5V with onboard 3.3V regulator and level shifting
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Low Power Consumption: Only lit pixels consume power – ideal for battery-powered projects
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Wide Operating Temperature: Rated for -40°C to +85°C, suitable for industrial and outdoor applications
Technical Specifications
| Parameter | Operating Value |
|---|---|
| Display Type | OLED (Organic Light Emitting Diode), Passive Matrix |
| Resolution | 128 × 128 pixels |
| Display Color | White (monochrome) |
| Driver IC | SH1107 / SH1107G |
| Communication Protocol | I2C (IIC) / SPI (module supports I2C) |
| Default I2C Address | 0x3C (varies – verify with scanner) |
| Operating Voltage (VCC) | 3.3V – 5V DC |
| Logic Voltage | 3.3V (5V tolerant with level shifting) |
| RAM Required for Buffer | 2KB (16,384 bits) |
| Recommended MCU RAM | 16KB or more |
| Active Area | Approx. 20mm × 20mm |
| Module Dimensions | Approx. 40.5mm × 30.5mm × 6mm |
| Pixel Size | 0.15mm × 0.15mm |
| Pixel Pitch | 0.15mm × 0.15mm |
| Brightness | 100 cd/m² (typical) |
| Duty | 1/64 |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
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