Adafruit HDMI Dummy Plug

The HDMI Dummy Plug is a compact device that emulates a display, allowing seamless tinkering with GPU hardware without a physical monitor. Insert it into your device’s video output, and it tricks the operating system into recognizing an active display.

This plug contains an I2C EDID EEPROM and offers effortless plug-and-play functionality, capable of simulating HDMI displays up to 4K resolution (3840 x 2160). Ideal for optimizing your graphics card performance or conducting headless operation experiments.