HDMI2RGB-2A Display controller board HDMI to 24-bit RGB with touch support for the Smartwin display series The HDMI2RGB-2A is a display controller board from the ESoPe platform series, based on the TFP401A. It is used to control RGB LC displays from the SMARTWIN display concept and is optimized for use with Raspberry Pi 4 and Raspberry Pi 5. The touch can be read out via the HDMI connection of the Raspberry Pi.