Connector (Easy swap)

This allows to to swap easy like laser /bowden/direct drive and so on

There is 4 pins dedicated for high power requirements such as Extruded heated

rest is just for signals wire it as you want

gold plated bullet connectors required (you can get 10sets for couple quid)
4 Female and Rest need to be Male
Round pin header male and female
Drill 1.2mm or similar
Some heat shrink
Some prototype pcb for strength 2.54mm spacig
2x M4x10 bolts

And just solder all up done
i have attached some images for clarity
Regards