Hi 43oh,
Last month I posted the sources for the solid state relay board, and I promised I'd post the source code for the sous vide application. Well here it is!
sous_vide.zip 6.64KB
2 downloads
libraries.zip 17.52KB
3 downloads
You'll also need the standard PID and PID autotune libraries available on your favorite Arduino site.
I just celebrated my birthday and cooked a surf and turf with it. As you can see, it works pretty well:
Happy Holidays!