I2C OLED display Add-on

Last modified: 30 April 2023

You can connect an SSD1306 based 128x32 or 128x64 OLED screen to the Gotek display port.

Here is a compatible screen example : https://www.ebay.com/itm/Mini-0-91-Zoll-OLED-SSD1306-Display-I2C-IIC-Arduino-Raspberry-128x32-weiss/253295920124

You can connect the screen directly to the Gotek J7 connector. (additional pull-up resistors NOT required.)

Caution

Take care with the 3.3V and GND while connecting the screen. Any mistake may damage the screen !

Note

If the OLED screen doesn’t appear to work and if you are sure about the OLED wire connections, try to reset the Gotek : Shutdown the machine, press the Gotek’s right button, switch on the machine and keep the button pressed during ~5 seconds. This will clear the internals settings and force the long screen detection process. Some OLED screens with factory defects need this to be detected properly the first time.

GND, VCC 3.3V, SCL and SDA position on J7

                           _____|
                          |     |
                          | USB |
                          |_____|
        OO______________________|
    SDA OO|SCL
    GND OO|VCC3V3
        J7|
          |
__________|

Last modified: 30 April 2023

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