After flaming untested H-Bridges posted to the Parallax Stamps list and
promising to provide a tested one, I got very busy with real work. Months
passed.

I've surfaced from those work-related distractions, and spent a little time
coming up with a cheesy H-bridge that works pretty well.

Feel free to tell me how crappy it is.

http://www.bobblick.com/bob/projects/hbridge/index.html

Cheers,
Bob