One of the requirements of the JeeNode Zero rev4, is that each one has to be tested and then end up with the proper software loaded onto it. The obvious way to do this is to connect each board over FTDI after assembly, but since the headers are not soldered on at this stage, some sort of temporary hookup trick s needed.
Meet Fiddy, a 3D-printed clip which turns 6 “pogo pins” into a clip that can easily hold a PCB:
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