![microcontroller - Can SPI and I2C be implemented using GPIO pins? - Electrical Engineering Stack Exchange microcontroller - Can SPI and I2C be implemented using GPIO pins? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/Muyew.png)
microcontroller - Can SPI and I2C be implemented using GPIO pins? - Electrical Engineering Stack Exchange
![11) Connecting a hybrid monochrome 128x64 OLED display to an Arduino - Zonnestroompanelen in Nederland 11) Connecting a hybrid monochrome 128x64 OLED display to an Arduino - Zonnestroompanelen in Nederland](http://www.zonnepanelen.wouterlood.com/wp-content/uploads/2019/08/fig_01_OLED_new_96.png)
11) Connecting a hybrid monochrome 128x64 OLED display to an Arduino - Zonnestroompanelen in Nederland
![This Oled display is currently in SPI mode (I2C convertible). Where do CS, DC, RES, SDA and SCL pin go on the Nano? Seems like they mixed up the name and I This Oled display is currently in SPI mode (I2C convertible). Where do CS, DC, RES, SDA and SCL pin go on the Nano? Seems like they mixed up the name and I](https://preview.redd.it/88v0dcairkk51.jpg?width=640&crop=smart&auto=webp&s=8e9a32d271ebd31bc280664ebb322d54fbafb827)
This Oled display is currently in SPI mode (I2C convertible). Where do CS, DC, RES, SDA and SCL pin go on the Nano? Seems like they mixed up the name and I
![Connecting a 128×64 OLED display with SSD1306 driver to an Arduino with a SPI interface – thesolaruniverse Connecting a 128×64 OLED display with SSD1306 driver to an Arduino with a SPI interface – thesolaruniverse](https://thesolaruniverse.files.wordpress.com/2019/10/oledfig_02_96_dpi.png)
Connecting a 128×64 OLED display with SSD1306 driver to an Arduino with a SPI interface – thesolaruniverse
![Arduino-er: Arduino Nano RP2040 Connect (Arduino Framework) + ST7789 SPI LCD, using Adafruit ST7735 and ST7789 Library. Arduino-er: Arduino Nano RP2040 Connect (Arduino Framework) + ST7789 SPI LCD, using Adafruit ST7735 and ST7789 Library.](https://1.bp.blogspot.com/-M0Z8Jxa7hK4/YTyz3LYVFQI/AAAAAAAAXzg/KhnAvXNMW-kQyfzzJxb_I_N4_yHNgDmSACLcBGAsYHQ/s2500/Nano_RP2040_ST7789_hardSPI_bbx.png)
Arduino-er: Arduino Nano RP2040 Connect (Arduino Framework) + ST7789 SPI LCD, using Adafruit ST7735 and ST7789 Library.
![0.96 inch oled 4 pin IIC Serial White OLED Display Module 128X64 I2C SSD1306 12864 LCD Screen Board GND VDD SCK SDA for Arduino - ASK Electronics 0.96 inch oled 4 pin IIC Serial White OLED Display Module 128X64 I2C SSD1306 12864 LCD Screen Board GND VDD SCK SDA for Arduino - ASK Electronics](https://ae01.alicdn.com/kf/H3c7ef3ca5648443f861e97639b8c49f3G.jpg)