JOY-IT COM-OLED2.42 2.42 inch OLED Display Module 128x64, White, SPI/I2C, SSD1309

Embedded developers and hobbyists working with Arduino, Raspberry Pi, or ESP32 projects can add a crisp monochrome display with the JOY-IT COM-OLED2.42. This 2.42-inch OLED module offers a 128x64 pixel resolution and self-illuminating white pixels, delivering sharp contrast without a backlight. The SSD1309 controller supports both SPI and I2C interfaces, selectable via onboard configuration, and operates from 3.3V to 5V logic. The 7-pin header provides straightforward connections for VCC, GND, SCL, SDA/MOSI, RES, DC, and CS. With a full viewing angle and wide operating temperature range, it suits portable instruments, IoT dashboards, and custom user interfaces.

Key specifications

• Display technology: OLED
• Display size: 2.42 inches (6.1 cm)
• Resolution: 128 x 64 pixels
• Color: Monochrome white
• Controller IC: SSD1309
• Interface: SPI or I2C (selectable)
• Operating voltage: 3.3V - 5V DC
• Viewing angle: Full (160°+)
• Operating temperature: -30°C to 70°C
• Pin count: 7-pin header
• Pinout: VCC, GND, SCL, SDA/MOSI, RES, DC, CS
• Active area: 55.02 x 27.49 mm
• Pixel size: 0.43 x 0.43 mm
• Driver support: U8g2, Adafruit GFX

Why choose it

The OLED technology provides high contrast and a wide viewing angle, making the display readable from almost any position. Its low power consumption and compact size are ideal for battery-powered devices. The dual interface support allows flexible integration with various microcontroller platforms, and the SSD1309 controller is well-documented with popular libraries.

Ideal use cases

• Prototyping with Arduino, Raspberry Pi, or ESP32
• IoT sensor readouts and status displays
• Wearable electronics and portable instruments
• Custom control panels and user interfaces

Good to know

The module measures 68 x 45 x 10 mm and includes a 7-pin header for easy wiring. It is self-illuminating, so no backlight is needed. The display supports both SPI and I2C communication, selectable by solder jumpers or pin configuration depending on your setup.