FyrusPong Pong Game for Oled SSD1306 I2C = 4 Pin (GND/VCC/SCL/SDA) ** Connect as usual. SPI = 7 PIN (GND/VCC/D0/D1/RES/DC/CS) ** Connect to GND, VCC & the rest to pin 8, 9, 10, 11, 12 in row.