I found that a quick ... take the PCB I created in Eagle above, grab an FTDI chip and a USB connector, and simply build my own USB to serial adapter that uses pogo pins instead of pin headers.

[jglim] didn’t have much experience with fabric, but a PCB lapel pin was something that seemed like it should work. There are really only three parts to a lapel pin — the small ornamental pin ...

A Chinese user has developed a prototype 16-pin connector that can determine if a certain pin is drawing too much current, ...