To use this make sure that your ESP32 board is already have Micropython firmware inside. You can use any IDE to edit the code, but in this tutorial I'm gonna use Upycraft IDE from dfrobot.
Also insert the ssd1306.py library to your board to make everything easier. Connection between the OLED and the board are:
OLED ESP32
- SDA <---------->Pin 21
- SCL <---------->Pin 22
- GND <---------->GND
- Vcc <---------->3.3 V
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