--- In RoboBricks2@yahoogroups.com, "Wayne C. Gramlich" <Wayne@...> wrote:
>
[snip]
>
> Some encoders have an index pulse that triggers once for
> each revolution. This is used to "home" the encoder to
> a specific angle. Most of the encoders we purchase tend
> to skip the index pulse since we do not need it. So just
> hook up the wires you have and ignore the 5th wire.

This was my guess. It is good to get confirmation.

> The firmware I burned into the chips about a year ago
> is pretty primitive. The latest firmware performs a
> full dead reckoning algorithm. I'll burn a chip up
> for you and we can swap at the next HBRC meeting.

Great. I'll bring my bot and shaft2 module to the next meeting.

thanks,

-Brandon