The Flexy FLX3402 digital I/O expansion card gives an additional flexy basic module 8DI, 4AI and 2DO outputs with which the Flexy can be adapted even more to your specific needs.
The Flexy FLX3601 USB expansion card provides a flexy basic module with 3 USB 2.0 ports that can be used to adjust the Flexy even more to your specific needs.