When did you last buy a mouse? Did it have a little adapter in the box? There was a time when if you bought a USB mouse, in the box was also an adapter to allow it to be used with the older PS/2 ...

It aligns six pogo pins on 0.1″ centers, and can be epoxied to the back of a standard, off-the-shelf USB to Serial adapter. module pins(){ for (a=[2.54:2.54:15.24]){ translate([0,a,-0.01 ...