What type of USB adaptor do I need...

[Vandalerious]

What type of USB adaptor do I need in order for me to plug in a N64 controller so I can play the roms with that instead of using a keyboard?

 

[axcc123]

an adaptoid or a Boom converter

 

[Toasty]

Google is a useful tool.

 

[Christoffah]

Get an eBay account and look for "n64 usb". I got one for under £10 and it works perfectly

Mine is made by Boom. Transparent blue unit with Macintosh old school mouse style USB cable.