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board-ssd1306 Reference

Monochrome 128x64 OLED display with I2C interface


The default I2C address of the SSD1306 module is 0x3c (60). Some modules have a different address (0x3d), you can change the address by editing diagram.json and setting the i2cAddress attribute to "0x3d".

Pin names

NameDescriptionArduino Uno pin
VCCSupply voltage5V
SCLI2C clock lineA5
SDAI2C data lineA4


NameDescriptionDefault value
i2cAddressI2C address of the display"0x3c"

Using in Arduino

You can choose between several SSD1306 Arduino libraries:

All the above libraries are available on Wokwi.

Simulator examples