2.0mm Pitch Connector

 https://www.dropbox.com/scl/fi/mwj9wzwfzc0t0oi9aviqw/40-Pin-IC-Base.mp4?rlkey=ol6trbsuwzitdmtk6hl9lruz8&dl=0 

https://kitsguru.com/products/dc-005-5-5-2-1mm-female-dc-power-jack-supply-socket
https://kitsguru.com/products/12v-ac-dc-power-supply-adaptor?variant=44262857867516
https://kitsguru.com/products/12v-2a-ac-dc-power-supply-adapter?variant=45014411870460
https://kitsguru.com/products/ac-dc-isolation-switching-power-supply-pm01-3w-220-to-5v

DC Jack PCB mount
12V 1 amp power Adapter
12v 2 amp Adapter
HI LINK HLK PM01
HI LINK HLK PM03