Arduino OLED SSD1306 128x64 I2C Tutorial: Wiring, Code and Animation
The 0.96 inch blue OLED is a staple of Arduino projects. It is cheap, it needs two wires, and because it has no backlight its black is genuinely black. Yet half the people wiring one up for the first time end up staring at a blank panel. This guide runs end to end: picking the module, wiring, finding the I2C address, choosing a library, drawing text and shapes, showing bitmaps, building an animation, and fixing the six problems that come up most often. ...