Wow, great comment, thanks for that.
Here is the exact details including lists for everything you will need to build one.http://www.grinderplans.com/
Super simple high power LED driver
Turn a TI Graphing Calculator into an Intervalometer and Create Time Lapse Videos
Arduino All-in-One Getting Started Guide
Wraparound Desk Made From One Sheet of Plywood, 2 Filing Cabinets