GMOD-OLED-0.91 is a compact 0.91-inch 128×32 monochrome OLED display module based on the SSD1306 controller. It features an I²C-only 4-pin interface (VCC, GND, SDA, SCL), making it ideal for space-constrained embedded systems.The display offers high contrast, ultra-low power consumption, and wide viewing angles, making it suitable for sensor data readouts, IoT status displays, wearable devices, and compact embedded user interfaces.