Description On Board 1.3” Blue color OLED. Support 4-SPI (default), 3-SPI, IIC interface Mode, selected by backside soldering jumper. Compatible 2×20 raspberry pi header. Support input buttons, can be disconnected by jumper Three control buttons GPIO16, 20, 21 Joystick control directions: up GPIO6, bottom GPIO26, left GPIO5, right GPIO19, middle GPIO13. Default wiring option is 4-SPI, if you want to use IIC or 3-SPI, you must cut off the lines first. Demo code, schematic please see on this page.
