Expert Sleepers ES-3 MK4 and ES-6 MK2 ADAT Eurorack Modules

MIDI Serial Interface (5v) (Arduino Breakout Board)

Expert Sleepers ES-3 Eurorack ADAT interface module, slightly damaged

Befaco Rampage by PococHIS Limited Edition 18HP Eurorack Synth Module Black

Befaco A*B+C Eurorack Module – Dual VCA / Ring Mod / Mixer (6HP)

MIDI Serial Interface (5v) (with Thru & LED indicators)

Michigan Synth Works 2HP2CV MIDI-to-CV USB Interface Adapter 2HP CVPal Eurorack

MIDI Serial Interface (3.3v) (Raspberry Pi, ESP32 Breakout Board)