SSD1306 : From SPI to I2C
Sometimes you need/want to use I2C rather than SPI A very popular LCD screen is the SSD1306 Oled 0.96' display They are cheap and very well supported. The back looks like this : The change is easy, link the R8 marks and move the resistor from R3 to R1 These are the marked ones here: You end up with that D0 is now i2c clock D1 is now I2c data You need these two + the reset pin and you are good to go.