It's a printed circuit board (PCB) with an array of components ... A newer 3-pin 5V A-RGB component cannot be used on an older 4-pin 12V RGB header and vice-versa. The newer connection is ...

The board has an unpopulated ISP header from the assembler, so pogo pins are the answer. How do you make a pogo pin jig? With a 3D printer, of course. The ISP header wasn’t populated to give the ...

Standard programming headers can be annoyingly large for those ... your PCB does not actually require any on-board mating connector. The PCB footprint simply has test-pads that connect with ...