This adapter outputs the Apple IIc's screen as a digital HDMI. Based on the schematic of FarLeftLane of github. Includes a 100cm micro HDMI cable. Programmed with open-source MIT licensed firmware by Thorsten Brehm and FarLeftLane. This card is pre-programmed and tested with the latest firmware and can be upgraded using a button hole on the adapter and a type-C USB cable. When replacing the firmware, be sure to remove this adapter from your Apple IIc.