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nanoMoCo boards and the OpenMoCo Development Framework are now available!  nanoMoCo is a complete single-axis stepper driver/controller that is compatible with the Arduino IDE and development framework.  Want more than one axis? MoCoBus allows real-time synchronization with up to 253 total devices - which can be other nanoMoCo devices, or anything which can speak the MoCoBus protocol.  

Project Chronos, a DIY motion control platform for timelapse.
Project Chronos 1.0 is no longer supported and replaced by Project Chronos 2.0

Please check my project page on sourceforge.net for more information on this DIY full featured timelapse system
https://sourceforge.net/p/projectchronos/home/Project%20Chronos%20Home/
Facebook
https://www.facebook.com/ProjectChronos2/photos_stream
Website
http://thechronosproject.com/

miniE is an engine sketch to provide control over a single stepper motor and camera, using an Arduino and DFRobot LCD Keypad shield. It is an open design providing all the necessary features to do shoot-move-shoot or continuous timelapse with a built-in UI. The 1st version of the code was inspired by the OpenMoCo Engine by C.A. Church and is basically based on it - Thank you for your great work and help! The project has evolved since its first version and is now a standalone software/hardware solution. The aim of the system is to be as flexible as possible. For this lightweight engine, full system control is possible out in the field without extra hardware. 

Version 1.1 (fully non-blocking)

My name is Brian Burling and I am starting a new company called - eMotimo

The first product, eMotimo PT, a two axis motion control device that sits between your tripod and your DSLR or Video Camera. Right now, it does point A to Point B time lapse shots with a simple 3 minute setup. It will trigger DSLR shutters or move video cameras in smooth profiles.

eMotimo PT's design criteria were to be:

User Friendly - You use a Nunchuck and LCD screen for prompt driven setup. No computer is required.
Portable and Lightweight - Without a battery, the unit weighs in at around 5 lbs.

After you've selected the motor type appropriate for your project, it's time to move to the next stage of building your first motion control rig: gear selection.  Unless you've bought a motor with an attached gearbox (and even if you have, in some cases), it's time to figure out exactly how you intend transfer power from the motor into your final motion.  Just like the process of selecting a motor, you'll need to first examine your requirements, and how they might change over time.  In this article, we'll walk through the basic process of selecting the proper gear train, and the different factors that should affect your decision.

The basic factors to consider are: building vs. buying, complexity, gear ratio, precision, and braking requirements.

I've been out at SIGGRAPH 2010 for the past few days, and have had a lot of time to talk to a lot of great people about different technologies, open-source motion control, and to be honest, I've spent a lot of time on my feet!  I want to thank the all of the guys from xRez Studio for inviting me out and introducing me to lot of people, and introducing the OpenMoco project to a larger audience.