XHTC S01E04: Build Extruder Modules for Toolchange on 3D Printer

Please watch: "Mailbag: How to control a RGB Matrix 64x32 Display via ESP32" https://www.youtube.com/watch?v=vScZ5BasUIc --~-- Here I build several heads for an extruder to change tools on my Hypercube 3D printer. There were a lot of improvements to the first prototypes, I use washers with drilled holes and the following articles:

Ring cable lug M2: https://www.ebay.de/itm/370398314331

M2 screws 6mm long: https://www.ebay.de/itm/371594498430

PCB: https://aisler.net/p/RTBZFDAH

Cable: https://www.pollin.de/p/pur-steuerleitung-4x0-5-4x0-25-2x0-25-geschirmt-10-m-562406 ... https://www.youtube.com/watch?v=26h1c8-s7Mg