FlexyPin is a connector pin designed to be used with castellated modules with pitch down to 1.27mm.
It allows for easy insertion and removal of modules without the need for soldering.
FlexyPin works great for flashing/testing jigs and other use-cases where castellated modules are involved.
FlexyPins are gold-plated and keep their shape well. We haven't seen any issues over multiple (1000+) insert-remove cycles.
A 3D model as well as KiCad footprints and footprint reference drawing are available on our github.
A soldering guide is available here: https://www.youtube.com/watch?v=VZVIUo6SYR0
We usually package the orders during the weekend and drop them off on Monday.