Electronics are the 'glue' which hook the world together. No matter if you want to make robots move, sense nerve fibers, control machinery, play on your computer, or just listen to a radio, electronics is at the heart of it all. Therefore, I've always been very interested in, and relied upon my abilities with electronics of all types, both digital and analog to help me with all my projects. Heres a pic of the controller for the CNC router.