Voyetra Sequencer for DOS with MIDI-RS232 Interface

Latest addition to Deftaudio product family - the MIDI-RS232 interface with Din5 and USB MIDI Class compliant ports.
Parts used:
1. Deftaudio MIDI-RS232 interface: https://www.tindie.com/products/defta...
2. Book386: https://www.aliexpress.us/item/325680...
3. Roland MT-32
4. Pocket 8086: https://www.aliexpress.us/item/325680...
5. HP 100lx: https://www.hpmuseum.net/display_item...