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$6.89
This is a general OLED display Module, 0.91inch diagonal, 128x32 pixels, with embedded controller, communicating via I2C interface.
| SYMBOL | DESCRIPTION | 
|---|---|
| VCC | Power (3.3~5V input) | 
| GND | Ground | 
| SDA | Data input | 
| SCL | Clock input | 
