I think there's a good chance for the basic functionality, yes. The lights, definitely. The voice modulator, probably. You might even be able to program in very basic facial recognition if you've got a good head for code, though I'm assumin' you'd have to do it from scratch.

Any parts you haven't been able to find, I could probably scrounge up.

[His walls are almost entirely plastered with shelves of parts, after all. Somewhere in that mess has to be what this guy needs.]

Or Gregory could find 'em for you. I've been teachin' him -- Gregory!

[From under one of the worktables trundles a tiny boxy robot with two arms ending in pincer claws at the end. It's made of mismatched metal and looks kind of adorably pathetic. It zooms forward until it bumps into Fiddleford's tail and then trills a synthetic 'hello!']

Mainly he's good for handin' over tools. He can tell the wrenches apart real good now.