- WiFi via ESP32-C3
- 32 Channel I/O via Propeller 2
- PropGPU (Propeller 2 based GPU with 4-16 MB video ram, HDMI, VGA, CVBS)
- SuperSound (I²S PCM + AY-3-8910 + Analog Mixer)
- Dual C64 Serial
- Quad-Channel D-Bus-Controller (TI Calculator Link)
- SD Card Expansion (USB2244-AEZG-06)
- 100BASE-T1 (https://www.mouser.de/datasheet/2/268/LAN8770_Product_Brief_DS00002550C-3071247.pdf)
- Quad-Channel DMX
- Dual-Channel MIDI
- Parallel Port
- Retro Joystick (SUB-D 9, C64, Atari, ...)
- VLSI Video Card (https://www.vlsi.fi/en/products/vs23s040.html)
- VLSI Audio Card (https://www.vlsi.fi/en/products/vs1053.html)
- RaspberryPi Compute Module carrier ("SuperCPU")
- Analog Video Capture Card
- GPIB
- Ethernet with BNC
- Tokenring
- MFM Disk
- PS/2
- Commodore Datasette
- Shugart Bus Floppy Driver
- TOSLINK for Communications Network
- Wireless Multi-Channel Device (LoRa, Bluetooth, Matter, ...)
- EtherCAT
- Sercos III
- CAN FD
- IO Link
- HART