That's an interesting question. Certainly, a lot of the advice is aimed at software companies - and it's sometimes hard to figure out where to draw the line...

For example, the idea of a minimum viable product doesn't really work too well with Hardware. Neither does shipping fast and iterating - hardware recalls are expensive.

For us, the best value in YC was the partners. Having smart people to go to when you're facing problems is probably the most valuable part of YC. A lot of times, your problems have very little to do with your technology or industry.