It's always a good idea to check if your microcontroller works before you assemble it, but sometimes they break after you've installed it. Desoldering a microcontroller is a lot of work, and can sometimes destroy your microcontroller board in the process. With these sockets, removing or replacing a microcontroller from
Low Profile Spring-Loaded Target Connectors
MillMax-Sockets 999-11-210-10-000000 : Industrial & Scientific
MillMax-Sockets 999-11-210-10-000000
Mill Max 315 Sockets / 3320 Pins for Pro Micro - 42. Keebs
Mill-Max Socket Guide
Installing Mill-Max Hotswap Sockets into a Regular Keyboard PCB
Homepage Mill-Max Mfg. Corp.
Product Finder Mill-Max Mfg. Corp.
Mill-Max Socket Guide
Low Profile Microcontroller Mill-Max Sockets (For Pro-Micro, Elite-C, or compatible MCU)
What's special about Mill Max sockets for Pro Micros et al? : r/ErgoMechKeyboards
Mill-Max sockets are used to enable hotswap capabilities to standard PCBs. Available in both 7305-Gold and 0305-Tin to support varying case sizes.,
Mill-Max Hotswap Sockets
Sockets · joric/nrfmicro Wiki · GitHub
Microcontroller Hotswap Sockets - kriscables