We made serial and parallel cables this week. The parallel cable has a standard DB-25 male connector at one end:

and a programming "clip" on the other side:

It plugs into an SOIC-8 size microcontroller from the top, like so:

The serial cable has a standard DB-9 female connector at one end:

and a molex connector to plug into a Hello circuit at the other end:

It plugs into a Hello like so: