OLED Display

  • I 've connected my OLED as:

    Onion Expansion Pin OLED Pin

    3.3V <-> 3.3V
    GND <-> GND
    20 <-> SCL
    21 <-> SDA

    Now how can I write text or display pic on the OLED either by using I2C / GPIO.

    Please suggest.

    Thanks in advance.

    Puneet Chandiok

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