The NerdSEQ IO Expander enhances the NerdSEQ with a Midi-In, Midi Out (DIN5) port and a connector for a Sega Gamepad controller.
The Midi functionality is for clocking as Master/Slave, to play and record from Midi (Midi→CV Conversion) and soon to sequence Midi as well.
The Gamepad Connector can connect to a Sega Gamepad8. This can be used for navigation, editing and live playing. For now there is only a basic definition of the buttons, but it will be customisable in the future so you can assign each button to a function.
The expander is connected with a ribbon cable on the back side of the NerdSEQ (PAD-Midi).