You can make this adapter from an old printer cable and solder things
directly to the Butterfly. Or (if you have the parts and skills) you
-can come up with something fancier, providing ciruit protection to the
+can come up with something fancier, providing circuit protection to the
Butterfly and the printer port, or with a better power supply than two
signal pins from the printer port. Or for that matter, you can use
similar cables to talk to many AVR boards, even a breadboard.