Quantity   Component name
1 × Domino Marking Head/Coder In this build I used a Domino D100+ Coder, however there are many other variants out there that will work!
1 × PCB Electronic Components / Misc. Electronic Components
1 × SN75174N Differential Line Driver
1 × 74HC4050 Non-Inverting Buffer/Level shifter
4 × 3mm LED Color is up to you!
4 × Resistors Calculate values for above LED's In my design I just use 1k, as I don't like debugging lights overly bright!
1 × Teensy 4.0 Use only a Teensy 4.0 for this project!