MochiLike Arduino nano with LCD screen doing cute faces ST7789 1.14 RGB - Arduino Uno GND - GND; VCC - 5V; SCL - 13; SDA - 11; RES - 8; DC - 7; CS - 10; BLK - 9; SSD1306 0.96 OLED - Arduino Nano GND - GND; VCC - 5V; SDA - A4; SCK - A5;