The HKD 0.91-inch OLED display is a compact, high-contrast screen designed for Arduino, ESP32, Raspberry Pi, and other microcontroller projects. With a 128x32 pixel resolution and bright white monochrome output, it offers crisp text and graphics in a small footprint, making it ideal for portable, wearable, or space-limited projects.
This display communicates via the I2C interface, requiring only two data pins (SDA & SCL), making wiring simple and reducing pin usage. It is powered at 3.3V or 5V, making it compatible with a wide range of development boards.
Its self-illuminating OLED technology ensures excellent visibility, high contrast, and wide viewing angles compared to traditional LCDs, without requiring a backlight.
Features
- 128x32 resolution white monochrome OLED display
- 0.91-inch screen - compact size for embedded projects
- I2C interface - requires only 2 pins for easy connection
- High contrast, wide viewing angles with OLED technology
- Compatible with Arduino, ESP8266, ESP32, STM32, Raspberry Pi and more
- Works with 3.3V and 5V logic systems
- Extremely low power consumption, ideal for battery-powered devices
Specifications
- Display Type: OLED, Monochrome (White)
- Resolution: 128 x 32 pixels
- Interface: I2C (SDA, SCL)
- Operating Voltage: 3.3V - 5V
- Screen Size: 0.91 inch (diagonal)
- Viewing Angle: >160
- Module Dimensions (approx.): 38mm x 12mm x 3mm
- Weight: ~4g
Applications
- Arduino and Raspberry Pi display modules
- IoT and wearable devices
- System monitoring screens (temperature, voltage, status indicators)
- Compact data display in robotics and automation projects
What's in the box
1 x HKD I2C OLED Display 0.91in 128x32 Resolution White Monochrome
