This 0.91 inch I2C/IIC Serial 4-Pin OLED Display Module-WHITE is an OLED monochrome 128×32 dot matrix display module with I2C Interface. It is perfect when you need an ultra-small display. The driver IC is SSD1306 with the I2C interface. Comparing to LCD, OLED screens are way more competitive, which has a number of advantages such as high brightness, self-emission, high contrast ratio, slim outline, wide viewing angle, wide temperature range, and low power consumption. It is compatible with any 3V-5V microcontroller, such as Arduino.
Pin Definition:
1.GND: Power ground
2.VCC: Power positive
3.SCK: Clock wire
4.SDA: Data wire.
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