We all like to standardise. But there doesn’t appear to be any pin number system defined for one of the most popular wire-to-board connector sets. Marking the PCB pin header isn’t so important, as the ...
Crimp connectors provide an easy and convenient way to connect electronics while still allowing for them to be removed and swapped without having to reach for a soldering iron and desoldering wick.
On page 4, there is an "IDE Power" connector. It looks a lot like a 4 pin CPU fan connector, but it (obviously) provides different voltages that are appropriate for 3.5" IDE drives (5V, 12V) and the ...